[kbuild] Re: drivers/net/dsa/qca8k.c:944 qca8k_parse_port_config() error: testing array offset 'cpu_port_index' after use.
On Mon, Nov 15, 2021 at 07:08:30PM +0100, Ansuel Smith wrote:
> > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> > master
> > head: debe436e77c72fcee804fb867f275e6d31aa999c
> > commit: 5654ec78dd7e64b1e04777b24007344329e6a63b net: dsa: qca8k: rework
> > rgmii delay logic and scan for cpu port 6
> > config: i386-randconfig-m021-20211025 (attached as .config)
> > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot
> > Reported-by: Dan Carpenter
> >
>
> This should already be fixed by 06dd34a628ae5b6a839b757e746de165d6789ca8
> Can you confirm this?
>
No, it doesn't fix the problem. The check is either useless and should
be removed or there is an out of bounds bug. Checking for an out of
bounds *after* you've already written to the memory is *never* useful.
regards,
dan carpenter
> > smatch warnings:
> > drivers/net/dsa/qca8k.c:944 qca8k_parse_port_config() error: testing array
> > offset 'cpu_port_index' after use.
> >
> > vim +/cpu_port_index +944 drivers/net/dsa/qca8k.c
> >
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 934 static int
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 935
> > qca8k_parse_port_config(struct qca8k_priv *priv)
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 936 {
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 937int port, cpu_port_index =
> > 0, ret;
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 938struct device_node *port_dn;
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 939phy_interface_t mode;
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 940struct dsa_port *dp;
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 941u32 delay;
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 942
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 943/* We have 2 CPU port.
> > Check them */
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 @944for (port = 0; port <
> > QCA8K_NUM_PORTS && cpu_port_index < QCA8K_NUM_CPU_PORTS; port++) {
> >
> > ^
> > Assume cpu_port_index = QCA8K_NUM_CPU_PORTS - 1;
> >
> >
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 945/* Skip every other
> > port */
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 946if (port != 0 &&
> > port != 6)
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 947continue;
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 948
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 949dp =
> > dsa_to_port(priv->ds, port);
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 950port_dn = dp->dn;
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 951cpu_port_index++;
> > ^
> > cpu_port_index is now out of bounds.
> >
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 952
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 953if
> > (!of_device_is_available(port_dn))
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 954continue;
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 955
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 956ret =
> > of_get_phy_mode(port_dn, );
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 957if (ret)
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 958continue;
> > 6c43809bf1bee7 Ansuel Smith 2021-10-14 959
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 960switch (mode) {
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 961case
> > PHY_INTERFACE_MODE_RGMII:
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 962case
> > PHY_INTERFACE_MODE_RGMII_ID:
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 963case
> > PHY_INTERFACE_MODE_RGMII_TXID:
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 964case
> > PHY_INTERFACE_MODE_RGMII_RXID:
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 965delay = 0;
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 966
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 967if
> > (!of_property_read_u32(port_dn, "tx-internal-delay-ps", ))
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 968/*
> > Switch regs accept value in ns, convert ps to ns */
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 969
> > delay = delay / 1000;
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 970else if
> > (mode == PHY_INTERFACE_MODE_RGMII_ID ||
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 971
> > mode == PHY_INTERFACE_MODE_RGMII_TXID)
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 972
> > delay = 1;
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 973
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 974if (delay >
> > QCA8K_MAX_DELAY) {
> > 5654ec78dd7e64 Ansuel Smith 2021-10-14 975
[kbuild] arch/arm/kernel/module-plts.c:65 get_module_plt() warn: we never enter this loop
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Alex Sverdlin
CC: "Russell King (Oracle)"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: 79f32b221b18c15a98507b101ef4beb52444cc6f ARM: 9079/1: ftrace: Add
MODULE_PLTS support
date: 5 months ago
:: branch date: 25 hours ago
:: commit date: 5 months ago
config: arm-randconfig-m031-20211104 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
arch/arm/kernel/module-plts.c:65 get_module_plt() warn: we never enter this loop
vim +65 arch/arm/kernel/module-plts.c
79f32b221b18c15 Alex Sverdlin 2021-05-05 50
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 51 u32 get_module_plt(struct
module *mod, unsigned long loc, Elf32_Addr val)
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 52 {
b7ede5a1f5905ac Ard Biesheuvel 2017-02-22 53 struct mod_plt_sec
*pltsec = !in_init(mod, loc) ? >arch.core :
b7ede5a1f5905ac Ard Biesheuvel 2017-02-22 54
>arch.init;
79f32b221b18c15 Alex Sverdlin 2021-05-05 55 struct plt_entries *plt;
79f32b221b18c15 Alex Sverdlin 2021-05-05 56 int idx;
79f32b221b18c15 Alex Sverdlin 2021-05-05 57
79f32b221b18c15 Alex Sverdlin 2021-05-05 58 /* cache the address,
ELF header is available only during module load */
79f32b221b18c15 Alex Sverdlin 2021-05-05 59 if (!pltsec->plt_ent)
79f32b221b18c15 Alex Sverdlin 2021-05-05 60 pltsec->plt_ent
= (struct plt_entries *)pltsec->plt->sh_addr;
79f32b221b18c15 Alex Sverdlin 2021-05-05 61 plt = pltsec->plt_ent;
b7ede5a1f5905ac Ard Biesheuvel 2017-02-22 62
79f32b221b18c15 Alex Sverdlin 2021-05-05 63 prealloc_fixed(pltsec,
plt);
79f32b221b18c15 Alex Sverdlin 2021-05-05 64
79f32b221b18c15 Alex Sverdlin 2021-05-05 @65 for (idx = 0; idx <
ARRAY_SIZE(fixed_plts); ++idx)
79f32b221b18c15 Alex Sverdlin 2021-05-05 66 if
(plt->lit[idx] == val)
79f32b221b18c15 Alex Sverdlin 2021-05-05 67 return
(u32)>ldr[idx];
35fa91eed817d2c Ard Biesheuvel 2016-08-16 68
79f32b221b18c15 Alex Sverdlin 2021-05-05 69 idx = 0;
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 70 /*
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 71 * Look for an existing
entry pointing to 'val'. Given that the
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 72 * relocations are
sorted, this will be the last entry we allocated.
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 73 * (if one exists).
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 74 */
b7ede5a1f5905ac Ard Biesheuvel 2017-02-22 75 if (pltsec->plt_count >
0) {
b7ede5a1f5905ac Ard Biesheuvel 2017-02-22 76 plt +=
(pltsec->plt_count - 1) / PLT_ENT_COUNT;
b7ede5a1f5905ac Ard Biesheuvel 2017-02-22 77 idx =
(pltsec->plt_count - 1) % PLT_ENT_COUNT;
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 78
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 79 if
(plt->lit[idx] == val)
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 80 return
(u32)>ldr[idx];
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 81
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 82 idx = (idx + 1)
% PLT_ENT_COUNT;
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 83 if (!idx)
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 84 plt++;
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 85 }
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 86
b7ede5a1f5905ac Ard Biesheuvel 2017-02-22 87 pltsec->plt_count++;
b7ede5a1f5905ac Ard Biesheuvel 2017-02-22 88
BUG_ON(pltsec->plt_count * PLT_ENT_SIZE > pltsec->plt->sh_size);
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 89
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 90 if (!idx)
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 91 /* Populate a
new set of entries */
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 92 *plt = (struct
plt_entries){
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 93 { [0
... PLT_ENT_COUNT - 1] = PLT_ENT_LDR, },
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 94 { val, }
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 95 };
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 96 else
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 97 plt->lit[idx] =
val;
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 98
66e94ba3c8ea5ff Ard Biesheuvel 2016-08-18 99 return
(u32)>ldr[idx];
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 100 }
7d485f647c1f4a6 Ard Biesheuvel 2014-11-24 101
[kbuild] drivers/net/dsa/sja1105/sja1105_main.c:1818 sja1105_fast_age() warn: should '((((1))) << port)' be a 64 bit type?
CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Vladimir Oltean tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab774587903771821b59471cc723bba6d893942 commit: 5126ec72a094bd3a721941323c48cc80c60139d9 net: dsa: sja1105: add FDB fast ageing support date: 3 months ago :: branch date: 23 hours ago :: commit date: 3 months ago config: i386-randconfig-m021-20211022 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Reported-by: Dan Carpenter New smatch warnings: drivers/net/dsa/sja1105/sja1105_main.c:1818 sja1105_fast_age() warn: should '1))) << port)' be a 64 bit type? Old smatch warnings: drivers/net/dsa/sja1105/sja1105_main.c:49 sja1105_port_allow_traffic() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:57 sja1105_can_forward() warn: should '1))) << to)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:129 sja1105_commit_pvid() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:255 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:267 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:276 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:285 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:291 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:298 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:530 sja1105_init_l2_forwarding() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:531 sja1105_init_l2_forwarding() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:552 sja1105_init_l2_forwarding() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:553 sja1105_init_l2_forwarding() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:676 sja1105_init_l2_forwarding_params() warn: is 'table->entries' large enough for 'struct sja1105_l2_forwarding_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:809 sja1105_init_topology() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:920 sja1105_init_avb_params() warn: is 'table->entries' large enough for 'struct sja1105_avb_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:1387 sja1105_find_static_fdb_entry() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1506 sja1105et_fdb_add() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1508 sja1105et_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1516 sja1105et_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1619 sja1105pqrs_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1629 sja1105pqrs_fdb_add() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1637 sja1105pqrs_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1710 sja1105pqrs_fdb_del() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1779 sja1105_fdb_dump() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1871 sja1105_manage_flood_domains() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1873 sja1105_manage_flood_domains() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2367 sja1105_vlan_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2368 sja1105_vlan_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2372 sja1105_vlan_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2682 sja1105_mgmt_xmit() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2990 sja1105_port_mcast_flood() warn: should '(((1))) << to' be a 64 bit type? vim +1818 drivers/net/dsa/sja1105/sja1105_main.c 291d1e72b75642 Vladimir Oltean 2019-05-02 1796 5126ec72a094bd Vladimir Oltean 2021-08-08 1797 static
[kbuild] drivers/firmware/cirrus/cs_dsp.c:1211:2: warning: Value stored to 'adsp1_sizes' is never read [clang-analyzer-deadcode.DeadStores]
CC: l...@lists.linux.dev
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Simon Trimmer
CC: Mark Brown
CC: Charles Keepax
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 firmware: cs_dsp: add driver
to support firmware loading on Cirrus Logic DSPs
date: 7 weeks ago
:: branch date: 22 hours ago
:: commit date: 7 weeks ago
config: riscv-randconfig-c006-20211101 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
82ed106567063ea269c6d5669278b733e173a42f)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f6bc909e7673c30abcbdb329e7d0aa2e83c103d7
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f6bc909e7673c30abcbdb329e7d0aa2e83c103d7
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
const struct usb_device_descriptor *udesc =
&(hid_to_usb_dev(hid)->descriptor);
^
drivers/hid/usbhid/usbhid.h:94:2: note: expanded from macro 'hid_to_usb_dev'
to_usb_device(hid_dev->dev.parent->parent)
^
include/linux/usb.h:708:26: note: expanded from macro 'to_usb_device'
#define to_usb_device(d) container_of(d, struct usb_device, dev)
^
include/linux/kernel.h:495:61: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
drivers/hid/hid-logitech-hidpp.c:2548:48: note: Taking false branch
const struct usb_device_descriptor *udesc =
&(hid_to_usb_dev(hid)->descriptor);
^
drivers/hid/usbhid/usbhid.h:94:2: note: expanded from macro 'hid_to_usb_dev'
to_usb_device(hid_dev->dev.parent->parent)
^
include/linux/usb.h:708:26: note: expanded from macro 'to_usb_device'
#define to_usb_device(d) container_of(d, struct usb_device, dev)
^
include/linux/kernel.h:495:2: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to
see all)
include/linux/compiler_types.h:322:2: note: expanded from macro
'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_,
__COUNTER__)
^
include/linux/compiler_types.h:310:2: note: expanded from macro
'_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:302:3: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
^
drivers/hid/hid-logitech-hidpp.c:2548:48: note: Loop condition is false.
Exiting loop
const struct usb_device_descriptor *udesc =
&(hid_to_usb_dev(hid)->descriptor);
^
drivers/hid/usbhid/usbhid.h:94:2: note: expanded from macro 'hid_to_usb_dev'
to_usb_device(hid_dev->dev.parent->parent)
^
include/linux/usb.h:708:26: note: expanded from macro 'to_usb_device'
#define to_usb_device(d) container_of(d, struct usb_device, dev)
^
include/linux/kernel.h:495:2: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to
see all)
include/linux/compiler_types.h:322:2: note: expanded from macro
'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_,
__COUNTER__)
^
include/linux/compiler_types.h:310:2: note: expanded from macro
'_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:300:2: note: expanded from macro
'__compiletime_assert'
do {\
^
drivers/hid/hid-logitech-hidpp.c:2551:16:
[kbuild] [intel-lts:5.10/yocto 17557/17586] arch/x86/mm/mmap.c:271 vm_start_gap() warn: bitwise AND condition is false here
CC: kbuild-...@lists.01.org
TO: "Yu-cheng Yu"
CC: gaojianf
CC: "Kirill A. Shutemov"
tree: https://github.com/intel/linux-intel-lts.git 5.10/yocto
head: 2202f30edc3f9f14646647cd48c4bd4bfd12e9b7
commit: 933d01c9f63c0957cee5277f0054c32ca7b892c3 [17557/17586] mm: Add guard
pages around a shadow stack.
:: branch date: 7 days ago
:: commit date: 13 days ago
config: x86_64-randconfig-m001-2025 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
arch/x86/mm/mmap.c:271 vm_start_gap() warn: bitwise AND condition is false here
arch/x86/mm/mmap.c:289 vm_end_gap() warn: bitwise AND condition is false here
Old smatch warnings:
arch/x86/mm/mmap.c:168 arch_vma_name() warn: bitwise AND condition is false here
vim +271 arch/x86/mm/mmap.c
933d01c9f63c09 Yu-cheng Yu 2019-10-04 263
933d01c9f63c09 Yu-cheng Yu 2019-10-04 264 unsigned long vm_start_gap(struct
vm_area_struct *vma)
933d01c9f63c09 Yu-cheng Yu 2019-10-04 265 {
933d01c9f63c09 Yu-cheng Yu 2019-10-04 266 unsigned long vm_start =
vma->vm_start;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 267 unsigned long gap = 0;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 268
933d01c9f63c09 Yu-cheng Yu 2019-10-04 269 if (vma->vm_flags &
VM_GROWSDOWN)
933d01c9f63c09 Yu-cheng Yu 2019-10-04 270 gap = stack_guard_gap;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 @271 else if (vma->vm_flags &
VM_SHADOW_STACK)
933d01c9f63c09 Yu-cheng Yu 2019-10-04 272 gap =
SHADOW_STACK_GUARD_GAP;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 273
933d01c9f63c09 Yu-cheng Yu 2019-10-04 274 if (gap != 0) {
933d01c9f63c09 Yu-cheng Yu 2019-10-04 275 vm_start -= gap;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 276 if (vm_start >
vma->vm_start)
933d01c9f63c09 Yu-cheng Yu 2019-10-04 277 vm_start = 0;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 278 }
933d01c9f63c09 Yu-cheng Yu 2019-10-04 279 return vm_start;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 280 }
933d01c9f63c09 Yu-cheng Yu 2019-10-04 281
933d01c9f63c09 Yu-cheng Yu 2019-10-04 282 unsigned long vm_end_gap(struct
vm_area_struct *vma)
933d01c9f63c09 Yu-cheng Yu 2019-10-04 283 {
933d01c9f63c09 Yu-cheng Yu 2019-10-04 284 unsigned long vm_end =
vma->vm_end;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 285 unsigned long gap = 0;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 286
933d01c9f63c09 Yu-cheng Yu 2019-10-04 287 if (vma->vm_flags & VM_GROWSUP)
933d01c9f63c09 Yu-cheng Yu 2019-10-04 288 gap = stack_guard_gap;
933d01c9f63c09 Yu-cheng Yu 2019-10-04 @289 else if (vma->vm_flags &
VM_SHADOW_STACK)
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
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[kbuild] Re: [PATCH v4 06/10] hwmon: (tmp421) really disable channels
CC: l...@lists.linux.dev
CC: kbuild-...@lists.01.org
In-Reply-To:
References:
TO: Krzysztof Adamski
Hi Krzysztof,
I love your patch! Perhaps something to improve:
[auto build test WARNING on groeck-staging/hwmon-next]
[cannot apply to robh/for-next v5.16-rc1 next-2025]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Krzysztof-Adamski/Add-per-channel-properies-support-in-tmp421/20211012-173142
base:
https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
hwmon-next
:: branch date: 5 weeks ago
:: commit date: 5 weeks ago
config: arm-randconfig-c002-20211013 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
b6a8c695542b2987eb9a203d5663a0740cb4725f)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
#
https://github.com/0day-ci/linux/commit/4a0f8262fe071b0b27c6fba7455627f3c5a5209e
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Krzysztof-Adamski/Add-per-channel-properies-support-in-tmp421/20211012-173142
git checkout 4a0f8262fe071b0b27c6fba7455627f3c5a5209e
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^
include/linux/hid.h:1005:28: note: Assuming 'bmap' is null
if (unlikely(c > limit || !bmap)) {
^
include/linux/compiler.h:78:42: note: expanded from macro 'unlikely'
# define unlikely(x)__builtin_expect(!!(x), 0)
^
include/linux/hid.h:1005:2: note: Taking true branch
if (unlikely(c > limit || !bmap)) {
^
include/linux/hid.h:1006:3: note: Assuming the condition is true
pr_warn_ratelimited("%s: Invalid code %d type %d\n",
^
include/linux/printk.h:656:2: note: expanded from macro 'pr_warn_ratelimited'
printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
^~~
include/linux/printk.h:639:6: note: expanded from macro 'printk_ratelimited'
if (__ratelimit(&_rs)) \
^
include/linux/ratelimit_types.h:41:28: note: expanded from macro
'__ratelimit'
#define __ratelimit(state) ___ratelimit(state, __func__)
^
include/linux/hid.h:1006:3: note: Taking true branch
pr_warn_ratelimited("%s: Invalid code %d type %d\n",
^
include/linux/printk.h:656:2: note: expanded from macro 'pr_warn_ratelimited'
printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:639:2: note: expanded from macro 'printk_ratelimited'
if (__ratelimit(&_rs)) \
^
include/linux/hid.h:1006:3: note: Loop condition is false. Exiting loop
pr_warn_ratelimited("%s: Invalid code %d type %d\n",
^
include/linux/printk.h:656:2: note: expanded from macro 'pr_warn_ratelimited'
printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:640:3: note: expanded from macro 'printk_ratelimited'
printk(fmt, ##__VA_ARGS__); \
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:392:34: note: expanded from macro
'__printk_index_emit'
#define __printk_index_emit(...) do {} while (0)
^
include/linux/hid.h:1007:9: note: Access to field 'name' results in a
dereference of a null pointer (loaded from variable 'input')
input->name, c, type);
^
include/linux/printk.h:656:49: note: expanded from macro
'pr_warn_ratelimited'
[kbuild] drivers/net/dsa/sja1105/sja1105_main.c:521 sja1105_init_l2_forwarding() warn: should '(((1))) << to' be a 64 bit type?
CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Vladimir Oltean tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab774587903771821b59471cc723bba6d893942 commit: 3fa212707b8e6026cea6a92faea87f556e0cba9b net: dsa: sja1105: manage the forwarding domain towards DSA ports date: 3 months ago :: branch date: 22 hours ago :: commit date: 3 months ago config: i386-randconfig-m021-20211022 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Reported-by: Dan Carpenter New smatch warnings: drivers/net/dsa/sja1105/sja1105_main.c:521 sja1105_init_l2_forwarding() warn: should '(((1))) << to' be a 64 bit type? Old smatch warnings: drivers/net/dsa/sja1105/sja1105_main.c:49 sja1105_port_allow_traffic() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:57 sja1105_can_forward() warn: should '1))) << to)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:129 sja1105_commit_pvid() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:248 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:260 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:269 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:278 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:284 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:291 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:522 sja1105_init_l2_forwarding() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:543 sja1105_init_l2_forwarding() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:544 sja1105_init_l2_forwarding() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:640 sja1105_init_l2_forwarding_params() warn: is 'table->entries' large enough for 'struct sja1105_l2_forwarding_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:773 sja1105_init_topology() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:884 sja1105_init_avb_params() warn: is 'table->entries' large enough for 'struct sja1105_avb_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:1351 sja1105_find_static_fdb_entry() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1469 sja1105et_fdb_add() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1471 sja1105et_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1479 sja1105et_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1565 sja1105pqrs_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1573 sja1105pqrs_fdb_add() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1578 sja1105pqrs_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1628 sja1105pqrs_fdb_del() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1697 sja1105_fdb_dump() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1749 sja1105_manage_flood_domains() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1751 sja1105_manage_flood_domains() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2244 sja1105_vlan_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2245 sja1105_vlan_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2249 sja1105_vlan_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2558 sja1105_mgmt_xmit() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2876 sja1105_port_mcast_flood() warn: should '(((1))) << to' be a 64 bit type? vim +521 drivers/net/dsa/sja1105/sja1105_main.c 8aa9ebccae8762 Vladimir Oltean 2019-05-02 472 8aa9ebccae8762 Vladimir Oltean 2019-05-02 473 static int sja1105_init_l2_forwarding(struct sja1105_private *priv) 8aa9ebccae8762 Vladimir Oltean
[kbuild] drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:236:9: warning: The left expression of the compound assignment is an uninitialized value. The computed value will also be garbage [clang-analyzer-
CC: l...@lists.linux.dev
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Arunpravin
CC: 0day robot
tree:
https://github.com/0day-ci/linux/commits/Arunpravin/Enable-buddy-memory-manager-support/20210921-032602
head: 71b3775a5ce7b59e8c5292ae438284e8569c9e9f
commit: 71b3775a5ce7b59e8c5292ae438284e8569c9e9f Add drm buddy manager support
to amdgpu driver
date: 8 weeks ago
:: branch date: 8 weeks ago
:: commit date: 8 weeks ago
config: riscv-randconfig-c006-20210927 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
dc6e8dfdfe7efecfda318d43a06fae18b40eb498)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
#
https://github.com/0day-ci/linux/commit/71b3775a5ce7b59e8c5292ae438284e8569c9e9f
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Arunpravin/Enable-buddy-memory-manager-support/20210921-032602
git checkout 71b3775a5ce7b59e8c5292ae438284e8569c9e9f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^
kernel/sched/topology.c:2218:3: note: Loop condition is true. Entering loop
body
for (sd = *per_cpu_ptr(d.sd, i); sd; sd = sd->parent) {
^
kernel/sched/topology.c:2220:8: note: Assuming the condition is false
if (sd->flags & SD_OVERLAP) {
^~
kernel/sched/topology.c:2220:4: note: Taking false branch
if (sd->flags & SD_OVERLAP) {
^
kernel/sched/topology.c:2224:9: note: Calling 'build_sched_groups'
if (build_sched_groups(sd, i))
^
kernel/sched/topology.c:1194:37: note: 'last' initialized to a null pointer
value
struct sched_group *first = NULL, *last = NULL;
^~~~
kernel/sched/topology.c:1200:2: note: Assuming 'debug_locks' is 0
lockdep_assert_held(_domains_mutex);
^
include/linux/lockdep.h:316:2: note: expanded from macro
'lockdep_assert_held'
lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD)
^
include/linux/lockdep.h:310:15: note: expanded from macro 'lockdep_assert'
do { WARN_ON(debug_locks && !(cond)); } while (0)
^~~
include/asm-generic/bug.h:121:25: note: expanded from macro 'WARN_ON'
int __ret_warn_on = !!(condition); \
^
kernel/sched/topology.c:1200:2: note: Left side of '&&' is false
lockdep_assert_held(_domains_mutex);
^
include/linux/lockdep.h:316:2: note: expanded from macro
'lockdep_assert_held'
lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD)
^
include/linux/lockdep.h:310:27: note: expanded from macro 'lockdep_assert'
do { WARN_ON(debug_locks && !(cond)); } while (0)
^
kernel/sched/topology.c:1200:2: note: Taking false branch
lockdep_assert_held(_domains_mutex);
^
include/linux/lockdep.h:316:2: note: expanded from macro
'lockdep_assert_held'
lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD)
^
include/linux/lockdep.h:310:7: note: expanded from macro 'lockdep_assert'
do { WARN_ON(debug_locks && !(cond)); } while (0)
^
include/asm-generic/bug.h:122:2: note: expanded from macro 'WARN_ON'
if (unlikely(__ret_warn_on))\
^
kernel/sched/topology.c:1200:2: note: Loop condition is false. Exiting loop
lockdep_assert_held(_domains_mutex);
^
include/linux/lockdep.h:316:2: note: expanded from macro
'lockdep_assert_held'
lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD)
^
include/linux/lockdep.h:310:2: note: expanded from macro 'lockdep_assert'
do { WARN_ON(debug_locks && !(cond)); } while (0)
^
kernel/sched/topology.c:1205:2: note: Assuming 'i' is >= 8
for_each_cpu_wrap(i, span, cpu) {
^
include/linux/cpumask.h:271:7: note: expanded from macro 'for_each_cpu_wrap'
[kbuild] drivers/net/ethernet/marvell/prestera/prestera_span.c:95 prestera_span_get() warn: passing a valid pointer to 'PTR_ERR'
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Serhiy Boiko
CC: Volodymyr Mytnyk
CC: Vadym Kochan
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: 13defa275eef90c07886dbd9e74e3dada8af7348 net: marvell: prestera: Add
matchall support
date: 5 months ago
:: branch date: 21 hours ago
:: commit date: 5 months ago
config: arm-randconfig-m031-20211104 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/net/ethernet/marvell/prestera/prestera_span.c:95 prestera_span_get()
warn: passing a valid pointer to 'PTR_ERR'
vim +/PTR_ERR +95 drivers/net/ethernet/marvell/prestera/prestera_span.c
13defa275eef90 Serhiy Boiko 2021-06-16 73
13defa275eef90 Serhiy Boiko 2021-06-16 74 static int
prestera_span_get(struct prestera_port *port, u8 *span_id)
13defa275eef90 Serhiy Boiko 2021-06-16 75 {
13defa275eef90 Serhiy Boiko 2021-06-16 76 u8 new_span_id;
13defa275eef90 Serhiy Boiko 2021-06-16 77 struct prestera_switch *sw =
port->sw;
13defa275eef90 Serhiy Boiko 2021-06-16 78 struct prestera_span_entry
*entry;
13defa275eef90 Serhiy Boiko 2021-06-16 79 int err;
13defa275eef90 Serhiy Boiko 2021-06-16 80
13defa275eef90 Serhiy Boiko 2021-06-16 81 entry =
prestera_span_entry_find_by_port(sw->span, port);
13defa275eef90 Serhiy Boiko 2021-06-16 82 if (entry) {
13defa275eef90 Serhiy Boiko 2021-06-16 83
refcount_inc(>ref_count);
13defa275eef90 Serhiy Boiko 2021-06-16 84 *span_id = entry->id;
13defa275eef90 Serhiy Boiko 2021-06-16 85 return 0;
13defa275eef90 Serhiy Boiko 2021-06-16 86 }
13defa275eef90 Serhiy Boiko 2021-06-16 87
13defa275eef90 Serhiy Boiko 2021-06-16 88 err =
prestera_hw_span_get(port, _span_id);
13defa275eef90 Serhiy Boiko 2021-06-16 89 if (err)
13defa275eef90 Serhiy Boiko 2021-06-16 90 return err;
13defa275eef90 Serhiy Boiko 2021-06-16 91
13defa275eef90 Serhiy Boiko 2021-06-16 92 entry =
prestera_span_entry_create(port, new_span_id);
13defa275eef90 Serhiy Boiko 2021-06-16 93 if (IS_ERR(entry)) {
13defa275eef90 Serhiy Boiko 2021-06-16 94
prestera_hw_span_release(sw, new_span_id);
13defa275eef90 Serhiy Boiko 2021-06-16 @95 return PTR_ERR(entry);
13defa275eef90 Serhiy Boiko 2021-06-16 96 }
13defa275eef90 Serhiy Boiko 2021-06-16 97
13defa275eef90 Serhiy Boiko 2021-06-16 98 *span_id = new_span_id;
13defa275eef90 Serhiy Boiko 2021-06-16 99 return 0;
13defa275eef90 Serhiy Boiko 2021-06-16 100 }
13defa275eef90 Serhiy Boiko 2021-06-16 101
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
___
kbuild mailing list -- kbuild@lists.01.org
To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] drivers/net/dsa/sja1105/sja1105_main.c:737 sja1105_init_topology() warn: should '(((1))) << port' be a 64 bit type?
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Vladimir Oltean
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: 30a100e60cf36ade9902dc71610f93563d0bd7b0 net: dsa: sja1105: configure
the cascade ports based on topology
date: 3 months ago
:: branch date: 20 hours ago
:: commit date: 3 months ago
config: i386-randconfig-m021-20211022 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/dsa/sja1105/sja1105_main.c:737 sja1105_init_topology() warn: should
'(((1))) << port' be a 64 bit type?
Old smatch warnings:
drivers/net/dsa/sja1105/sja1105_main.c:49 sja1105_port_allow_traffic() warn:
should '(((1))) << to' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:57 sja1105_can_forward() warn: should
'1))) << to)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:129 sja1105_commit_pvid() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:248 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:260 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:269 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:278 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:284 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:291 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:518 sja1105_init_l2_forwarding() warn:
should '(((1))) << upstream' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:519 sja1105_init_l2_forwarding() warn:
should '(((1))) << upstream' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:604 sja1105_init_l2_forwarding_params()
warn: is 'table->entries' large enough for 'struct
sja1105_l2_forwarding_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:848 sja1105_init_avb_params() warn: is
'table->entries' large enough for 'struct sja1105_avb_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:1315 sja1105_find_static_fdb_entry()
warn: should '1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1433 sja1105et_fdb_add() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1435 sja1105et_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1443 sja1105et_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1529 sja1105pqrs_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1537 sja1105pqrs_fdb_add() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1542 sja1105pqrs_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1592 sja1105pqrs_fdb_del() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1661 sja1105_fdb_dump() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1713 sja1105_manage_flood_domains()
warn: should '(((1))) << to' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1715 sja1105_manage_flood_domains()
warn: should '(((1))) << to' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2208 sja1105_vlan_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2209 sja1105_vlan_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2213 sja1105_vlan_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2522 sja1105_mgmt_xmit() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2840 sja1105_port_mcast_flood() warn:
should '(((1))) << to' be a 64 bit type?
vim +737 drivers/net/dsa/sja1105/sja1105_main.c
ceec8bc0988dca Vladimir Oltean 2021-06-08 690
30a100e60cf36a Vladimir Oltean 2021-08-04 691 static int
sja1105_init_topology(struct sja1105_private *priv,
30a100e60cf36a Vladimir Oltean 2021-08-04 692
struct sja1105_general_params_entry *general_params)
30a100e60cf36a Vladimir Oltean 2021-08-04 693 {
30a100e60cf36a Vladimir Oltean 2021-08-04 694 struct dsa_switch *ds =
[kbuild] drivers/dma/xilinx/zynqmp_dma.c:359:2: warning: Value stored to 'val' is never read [clang-analyzer-deadcode.DeadStores]
CC: l...@lists.linux.dev CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Michael Tretter CC: Vinod Koul tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab774587903771821b59471cc723bba6d893942 commit: 7073b5a8bd6ea641b41568e2899b0977f79134e3 dmaengine: zynqmp_dma: enable COMPILE_TEST date: 6 weeks ago :: branch date: 20 hours ago :: commit date: 6 weeks ago config: riscv-randconfig-c006-2025 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project fbe72e41b99dc7994daac300d208a955be3e4a0a) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7073b5a8bd6ea641b41568e2899b0977f79134e3 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 7073b5a8bd6ea641b41568e2899b0977f79134e3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot clang-analyzer warnings: (new ones prefixed by >>) ret = cx24120_writereg(state, CX24120_REG_RATEDIV, ret); ^ ~ drivers/media/dvb-frontends/cx24120.c:1229:2: note: Value stored to 'ret' is never read ret = cx24120_writereg(state, CX24120_REG_RATEDIV, ret); ^ ~ drivers/media/dvb-frontends/cx24120.c:1471:24: warning: Value stored to 'state' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct cx24120_state *state = fe->demodulator_priv; ^ drivers/media/dvb-frontends/cx24120.c:1471:24: note: Value stored to 'state' during its initialization is never read struct cx24120_state *state = fe->demodulator_priv; ^ Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. drivers/media/dvb-frontends/stv0900_sw.c:1978:4: warning: Value stored to 'lock' is never read [clang-analyzer-deadcode.DeadStores] lock = TRUE; ^ drivers/media/dvb-frontends/stv0900_sw.c:1978:4: note: Value stored to 'lock' is never read drivers/media/dvb-frontends/stv0900_sw.c:1993:4: warning: Value stored to 'lock' is never read [clang-analyzer-deadcode.DeadStores] lock = FALSE; ^ drivers/media/dvb-frontends/stv0900_sw.c:1993:4: note: Value stored to 'lock' is never read Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 4 warnings generated. Suppressed 4 warnings (4 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 4 warnings generated. Suppressed 4 warnings (4 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 4 warnings generated. Suppressed 4 warnings (4 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (3 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code).
[kbuild] drivers/net/dsa/sja1105/sja1105_main.c:129 sja1105_commit_pvid() warn: should '((((1))) << port)' be a 64 bit type?
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Vladimir Oltean
CC: Florian Fainelli
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: bef0746cf4cce238b1943df5d5b8f3103da92ead net: dsa: sja1105: make sure
untagged packets are dropped on ingress ports with no pvid
date: 4 months ago
:: branch date: 18 hours ago
:: commit date: 4 months ago
config: i386-randconfig-m021-20211022 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/dsa/sja1105/sja1105_main.c:129 sja1105_commit_pvid() warn: should
'1))) << port)' be a 64 bit type?
Old smatch warnings:
drivers/net/dsa/sja1105/sja1105_main.c:49 sja1105_port_allow_traffic() warn:
should '(((1))) << to' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:57 sja1105_can_forward() warn: should
'1))) << to)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:248 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:260 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:269 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:278 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:284 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:291 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:518 sja1105_init_l2_forwarding() warn:
should '(((1))) << upstream' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:519 sja1105_init_l2_forwarding() warn:
should '(((1))) << upstream' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:604 sja1105_init_l2_forwarding_params()
warn: is 'table->entries' large enough for 'struct
sja1105_l2_forwarding_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:777 sja1105_init_general_params() warn:
is 'table->entries' large enough for 'struct sja1105_general_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:805 sja1105_init_avb_params() warn: is
'table->entries' large enough for 'struct sja1105_avb_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:1272 sja1105_find_static_fdb_entry()
warn: should '1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1390 sja1105et_fdb_add() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1392 sja1105et_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1400 sja1105et_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1486 sja1105pqrs_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1494 sja1105pqrs_fdb_add() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1499 sja1105pqrs_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1549 sja1105pqrs_fdb_del() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1618 sja1105_fdb_dump() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1670 sja1105_manage_flood_domains()
warn: should '(((1))) << to' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1672 sja1105_manage_flood_domains()
warn: should '(((1))) << to' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2165 sja1105_vlan_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2166 sja1105_vlan_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2170 sja1105_vlan_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2479 sja1105_mgmt_xmit() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2797 sja1105_port_mcast_flood() warn:
should '(((1))) << to' be a 64 bit type?
vim +129 drivers/net/dsa/sja1105/sja1105_main.c
cde8078e83e320 Vladimir Oltean 2021-07-29 106
cde8078e83e320 Vladimir Oltean 2021-07-29 107 static int
sja1105_commit_pvid(struct dsa_switch *ds, int port)
cde8078e83e320 Vladimir Oltean 2021-07-29 108 {
cde8078e83e320 Vladimir Oltean 2021-07-29 109 struct dsa_port *dp =
dsa_to_port(ds, port);
cde8078e83e320 Vladimir Oltean
[kbuild] drivers/net/dsa/sja1105/sja1105_main.c:2146 sja1105_vlan_add() warn: should '(((1))) << port' be a 64 bit type?
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Vladimir Oltean
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: 6dfd23d35e75098ac61a605f6c591ce42e95cdcb net: dsa: sja1105: delete vlan
delta save/restore logic
date: 4 months ago
:: branch date: 16 hours ago
:: commit date: 4 months ago
config: i386-randconfig-m021-20211022 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/dsa/sja1105/sja1105_main.c:2146 sja1105_vlan_add() warn: should
'(((1))) << port' be a 64 bit type?
Old smatch warnings:
drivers/net/dsa/sja1105/sja1105_main.c:49 sja1105_port_allow_traffic() warn:
should '(((1))) << to' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:57 sja1105_can_forward() warn: should
'1))) << to)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:173 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:185 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:194 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:203 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:209 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:216 sja1105_init_mii_settings() warn: is
'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:443 sja1105_init_l2_forwarding() warn:
should '(((1))) << upstream' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:444 sja1105_init_l2_forwarding() warn:
should '(((1))) << upstream' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:529 sja1105_init_l2_forwarding_params()
warn: is 'table->entries' large enough for 'struct
sja1105_l2_forwarding_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:702 sja1105_init_general_params() warn:
is 'table->entries' large enough for 'struct sja1105_general_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:730 sja1105_init_avb_params() warn: is
'table->entries' large enough for 'struct sja1105_avb_params_entry'? 0
drivers/net/dsa/sja1105/sja1105_main.c:1197 sja1105_find_static_fdb_entry()
warn: should '1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1315 sja1105et_fdb_add() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1317 sja1105et_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1325 sja1105et_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1411 sja1105pqrs_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1419 sja1105pqrs_fdb_add() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1424 sja1105pqrs_fdb_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1474 sja1105pqrs_fdb_del() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1558 sja1105_fdb_dump() warn: should
'1))) << port)' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1610 sja1105_manage_flood_domains()
warn: should '(((1))) << to' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:1612 sja1105_manage_flood_domains()
warn: should '(((1))) << to' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2147 sja1105_vlan_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2151 sja1105_vlan_add() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2417 sja1105_mgmt_xmit() warn: should
'(((1))) << port' be a 64 bit type?
drivers/net/dsa/sja1105/sja1105_main.c:2735 sja1105_port_mcast_flood() warn:
should '(((1))) << to' be a 64 bit type?
vim +2146 drivers/net/dsa/sja1105/sja1105_main.c
cebc5e306f Vladimir Oltean 2019-05-02 2123
6dfd23d35e7509 Vladimir Oltean 2021-07-26 2124 static int
sja1105_vlan_add(struct sja1105_private *priv, int port, u16 vid,
6dfd23d35e7509 Vladimir Oltean 2021-07-26 2125 u16
flags)
cebc5e306f Vladimir Oltean 2019-05-02 2126 {
6dfd23d35e7509 Vladimir Oltean 2021-07-26 2127 struct
sja1105_vlan_lookup_entry *vlan;
6dfd23d35e7509 Vladimir Oltean 2021-07-26 2128 struct sja1105_table
*table;
6dfd23d35e7509
[kbuild] mm/memcontrol.c:670 __mem_cgroup_flush_stats() error: uninitialized symbol 'flag'.
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Shakeel Butt
CC: Andrew Morton
CC: Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: fd25a9e0e23b995fd0ba5e2f00a1099452cbc3cf memcg: unify memcg stat
flushing
date: 9 days ago
:: branch date: 16 hours ago
:: commit date: 9 days ago
config: nios2-randconfig-m031-2025 (attached as .config)
compiler: nios2-linux-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
mm/memcontrol.c:670 __mem_cgroup_flush_stats() error: uninitialized symbol
'flag'.
Old smatch warnings:
arch/nios2/include/asm/thread_info.h:71 current_thread_info() error:
uninitialized symbol 'sp'.
vim +/flag +670 mm/memcontrol.c
11192d9c124d58 Shakeel Butt 2021-11-05 660
11192d9c124d58 Shakeel Butt 2021-11-05 661 static void
__mem_cgroup_flush_stats(void)
11192d9c124d58 Shakeel Butt 2021-11-05 662 {
fd25a9e0e23b99 Shakeel Butt 2021-11-05 663 unsigned long flag;
fd25a9e0e23b99 Shakeel Butt 2021-11-05 664
fd25a9e0e23b99 Shakeel Butt 2021-11-05 665 if
(!spin_trylock_irqsave(_flush_lock, flag))
11192d9c124d58 Shakeel Butt 2021-11-05 666 return;
11192d9c124d58 Shakeel Butt 2021-11-05 667
11192d9c124d58 Shakeel Butt 2021-11-05 668
cgroup_rstat_flush_irqsafe(root_mem_cgroup->css.cgroup);
11192d9c124d58 Shakeel Butt 2021-11-05 669
atomic_set(_flush_threshold, 0);
fd25a9e0e23b99 Shakeel Butt 2021-11-05 @670
spin_unlock_irqrestore(_flush_lock, flag);
11192d9c124d58 Shakeel Butt 2021-11-05 671 }
11192d9c124d58 Shakeel Butt 2021-11-05 672
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
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[kbuild] drivers/iio/adc/at91-sama5d2_adc.c:530:0: warning: syntax error [syntaxError]
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Eugen Hristev
CC: Jonathan Cameron
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: 8940de2e48902e95b588b6244d5a1b61a4d75c4a iio: adc: at91-sama5d2_adc:
convert to platform specific data structures
date: 9 weeks ago
:: branch date: 16 hours ago
:: commit date: 9 weeks ago
compiler: s390-linux-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> drivers/iio/adc/at91-sama5d2_adc.c:530:0: warning: syntax error [syntaxError]
^
vim +530 drivers/iio/adc/at91-sama5d2_adc.c
8940de2e48902e Eugen Hristev 2021-09-01 524
8940de2e48902e Eugen Hristev 2021-09-01 525 static const struct
at91_adc_platform sama5d2_platform = {
8940de2e48902e Eugen Hristev 2021-09-01 526.layout = _layout,
8940de2e48902e Eugen Hristev 2021-09-01 527.adc_channels =
_sama5d2_adc_channels,
8940de2e48902e Eugen Hristev 2021-09-01 528 #define
AT91_SAMA5D2_SINGLE_CHAN_CNT 12
8940de2e48902e Eugen Hristev 2021-09-01 529 #define
AT91_SAMA5D2_DIFF_CHAN_CNT 6
8940de2e48902e Eugen Hristev 2021-09-01 @530.nr_channels =
AT91_SAMA5D2_SINGLE_CHAN_CNT +
8940de2e48902e Eugen Hristev 2021-09-01 531
AT91_SAMA5D2_DIFF_CHAN_CNT,
8940de2e48902e Eugen Hristev 2021-09-01 532 #define
AT91_SAMA5D2_TOUCH_X_CHAN_IDX (AT91_SAMA5D2_SINGLE_CHAN_CNT + \
8940de2e48902e Eugen Hristev 2021-09-01 533
AT91_SAMA5D2_DIFF_CHAN_CNT * 2)
8940de2e48902e Eugen Hristev 2021-09-01 534.touch_chan_x =
AT91_SAMA5D2_TOUCH_X_CHAN_IDX,
8940de2e48902e Eugen Hristev 2021-09-01 535 #define
AT91_SAMA5D2_TOUCH_Y_CHAN_IDX (AT91_SAMA5D2_TOUCH_X_CHAN_IDX + 1)
8940de2e48902e Eugen Hristev 2021-09-01 536.touch_chan_y =
AT91_SAMA5D2_TOUCH_Y_CHAN_IDX,
8940de2e48902e Eugen Hristev 2021-09-01 537 #define
AT91_SAMA5D2_TOUCH_P_CHAN_IDX (AT91_SAMA5D2_TOUCH_Y_CHAN_IDX + 1)
8940de2e48902e Eugen Hristev 2021-09-01 538.touch_chan_p =
AT91_SAMA5D2_TOUCH_P_CHAN_IDX,
8940de2e48902e Eugen Hristev 2021-09-01 539 #define AT91_SAMA5D2_MAX_CHAN_IDX
AT91_SAMA5D2_TOUCH_P_CHAN_IDX
8940de2e48902e Eugen Hristev 2021-09-01 540.max_channels =
ARRAY_SIZE(at91_sama5d2_adc_channels),
8940de2e48902e Eugen Hristev 2021-09-01 541.max_index =
AT91_SAMA5D2_MAX_CHAN_IDX,
8940de2e48902e Eugen Hristev 2021-09-01 542 #define AT91_SAMA5D2_HW_TRIG_CNT
3
8940de2e48902e Eugen Hristev 2021-09-01 543.hw_trig_cnt =
AT91_SAMA5D2_HW_TRIG_CNT,
5e1a1da0f8c914 Eugen Hristev 2017-06-15 544 };
5e1a1da0f8c914 Eugen Hristev 2017-06-15 545
---
0-DAY CI Kernel Test Service, Intel Corporation
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[kbuild] drivers/net/dsa/qca8k.c:944 qca8k_parse_port_config() error: testing array offset 'cpu_port_index' after use.
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Ansuel Smith
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: 5654ec78dd7e64b1e04777b24007344329e6a63b net: dsa: qca8k: rework rgmii
delay logic and scan for cpu port 6
date: 4 weeks ago
:: branch date: 16 hours ago
:: commit date: 4 weeks ago
config: x86_64-randconfig-m001-2023 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/net/dsa/qca8k.c:944 qca8k_parse_port_config() error: testing array
offset 'cpu_port_index' after use.
vim +/cpu_port_index +944 drivers/net/dsa/qca8k.c
3fcf734aa48248 Ansuel Smith 2021-10-14 933
6c43809bf1bee7 Ansuel Smith 2021-10-14 934 static int
6c43809bf1bee7 Ansuel Smith 2021-10-14 935 qca8k_parse_port_config(struct
qca8k_priv *priv)
6c43809bf1bee7 Ansuel Smith 2021-10-14 936 {
5654ec78dd7e64 Ansuel Smith 2021-10-14 937int port, cpu_port_index = 0,
ret;
6c43809bf1bee7 Ansuel Smith 2021-10-14 938struct device_node *port_dn;
6c43809bf1bee7 Ansuel Smith 2021-10-14 939phy_interface_t mode;
6c43809bf1bee7 Ansuel Smith 2021-10-14 940struct dsa_port *dp;
5654ec78dd7e64 Ansuel Smith 2021-10-14 941u32 delay;
6c43809bf1bee7 Ansuel Smith 2021-10-14 942
6c43809bf1bee7 Ansuel Smith 2021-10-14 943/* We have 2 CPU port. Check
them */
5654ec78dd7e64 Ansuel Smith 2021-10-14 @944for (port = 0; port <
QCA8K_NUM_PORTS && cpu_port_index < QCA8K_NUM_CPU_PORTS; port++) {
6c43809bf1bee7 Ansuel Smith 2021-10-14 945/* Skip every other
port */
6c43809bf1bee7 Ansuel Smith 2021-10-14 946if (port != 0 && port
!= 6)
6c43809bf1bee7 Ansuel Smith 2021-10-14 947continue;
6c43809bf1bee7 Ansuel Smith 2021-10-14 948
6c43809bf1bee7 Ansuel Smith 2021-10-14 949dp =
dsa_to_port(priv->ds, port);
6c43809bf1bee7 Ansuel Smith 2021-10-14 950port_dn = dp->dn;
5654ec78dd7e64 Ansuel Smith 2021-10-14 951cpu_port_index++;
6c43809bf1bee7 Ansuel Smith 2021-10-14 952
6c43809bf1bee7 Ansuel Smith 2021-10-14 953if
(!of_device_is_available(port_dn))
6c43809bf1bee7 Ansuel Smith 2021-10-14 954continue;
6c43809bf1bee7 Ansuel Smith 2021-10-14 955
6c43809bf1bee7 Ansuel Smith 2021-10-14 956ret =
of_get_phy_mode(port_dn, );
6c43809bf1bee7 Ansuel Smith 2021-10-14 957if (ret)
6c43809bf1bee7 Ansuel Smith 2021-10-14 958continue;
6c43809bf1bee7 Ansuel Smith 2021-10-14 959
5654ec78dd7e64 Ansuel Smith 2021-10-14 960switch (mode) {
5654ec78dd7e64 Ansuel Smith 2021-10-14 961case
PHY_INTERFACE_MODE_RGMII:
5654ec78dd7e64 Ansuel Smith 2021-10-14 962case
PHY_INTERFACE_MODE_RGMII_ID:
5654ec78dd7e64 Ansuel Smith 2021-10-14 963case
PHY_INTERFACE_MODE_RGMII_TXID:
5654ec78dd7e64 Ansuel Smith 2021-10-14 964case
PHY_INTERFACE_MODE_RGMII_RXID:
5654ec78dd7e64 Ansuel Smith 2021-10-14 965delay = 0;
5654ec78dd7e64 Ansuel Smith 2021-10-14 966
5654ec78dd7e64 Ansuel Smith 2021-10-14 967if
(!of_property_read_u32(port_dn, "tx-internal-delay-ps", ))
5654ec78dd7e64 Ansuel Smith 2021-10-14 968/*
Switch regs accept value in ns, convert ps to ns */
5654ec78dd7e64 Ansuel Smith 2021-10-14 969delay =
delay / 1000;
5654ec78dd7e64 Ansuel Smith 2021-10-14 970else if (mode
== PHY_INTERFACE_MODE_RGMII_ID ||
5654ec78dd7e64 Ansuel Smith 2021-10-14 971 mode
== PHY_INTERFACE_MODE_RGMII_TXID)
5654ec78dd7e64 Ansuel Smith 2021-10-14 972delay =
1;
5654ec78dd7e64 Ansuel Smith 2021-10-14 973
5654ec78dd7e64 Ansuel Smith 2021-10-14 974if (delay >
QCA8K_MAX_DELAY) {
5654ec78dd7e64 Ansuel Smith 2021-10-14 975
dev_err(priv->dev, "rgmii tx delay is limited to a max value of 3ns, setting to
the max value");
5654ec78dd7e64 Ansuel Smith 2021-10-14 976delay =
3;
5654ec78dd7e64 Ansuel Smith 2021-10-14 977}
5654ec78dd7e64 Ansuel Smith 2021-10-14 978
5654ec78dd7e64 Ansuel Smith 2021-10-14 979
priv->rgmii_tx_delay[cpu_port_index] = delay;
5654ec78dd7e64 Ansuel Smith 2021-10-14 980
5654ec78dd7e64 Ansuel Smith 2021-10-14 981delay = 0;
5654ec78dd7e64 Ansuel Smith 2021-10-14 982
5654ec78dd7e64 Ansuel Smith 2021-10-14 983if
(!of_property_read_u32(port_dn, "rx-internal-delay-ps", ))
5654ec78dd7e64 Ansuel Smith 2021-10-14 984/*
Switch regs accept
[kbuild] drivers/net/dsa/sja1105/sja1105_main.c:493 sja1105_init_l2_forwarding_params() warn: is 'table->entries' large enough for 'struct sja1105_l2_forwarding_params_entry'? 0
CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Vladimir Oltean tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab774587903771821b59471cc723bba6d893942 commit: 1bf658eefe38cc26801b5861bbb6dbf3259ba8c1 net: dsa: sja1105: allow the frame buffer size to be customized date: 6 months ago :: branch date: 15 hours ago :: commit date: 6 months ago config: i386-randconfig-m021-20211022 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Reported-by: Dan Carpenter New smatch warnings: drivers/net/dsa/sja1105/sja1105_main.c:493 sja1105_init_l2_forwarding_params() warn: is 'table->entries' large enough for 'struct sja1105_l2_forwarding_params_entry'? 0 Old smatch warnings: drivers/net/dsa/sja1105/sja1105_main.c:48 sja1105_port_allow_traffic() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:56 sja1105_can_forward() warn: should '1))) << to)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:193 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:196 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:202 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:207 sja1105_init_mii_settings() warn: is 'table->entries' large enough for 'struct sja1105_xmii_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:448 sja1105_init_l2_forwarding() warn: should '(((1))) << upstream' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:449 sja1105_init_l2_forwarding() warn: should '(((1))) << upstream' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:634 sja1105_init_avb_params() warn: is 'table->entries' large enough for 'struct sja1105_avb_params_entry'? 0 drivers/net/dsa/sja1105/sja1105_main.c:1232 sja1105_find_static_fdb_entry() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1350 sja1105et_fdb_add() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1352 sja1105et_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1360 sja1105et_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1446 sja1105pqrs_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1454 sja1105pqrs_fdb_add() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1459 sja1105pqrs_fdb_add() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1509 sja1105pqrs_fdb_del() warn: should '(((1))) << port' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1593 sja1105_fdb_dump() warn: should '1))) << port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1645 sja1105_manage_flood_domains() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:1647 sja1105_manage_flood_domains() warn: should '(((1))) << to' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2309 sja1105_build_bridge_vlans() warn: should '(((1))) << (v->port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2310 sja1105_build_bridge_vlans() warn: should '(((1))) << (v->port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2312 sja1105_build_bridge_vlans() warn: should '(((1))) << (v->port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2331 sja1105_build_dsa_8021q_vlans() warn: should '(((1))) << (v->port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2332 sja1105_build_dsa_8021q_vlans() warn: should '(((1))) << (v->port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2334 sja1105_build_dsa_8021q_vlans() warn: should '(((1))) << (v->port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2384 sja1105_build_subvlans() warn: should '(((1))) << (v->port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2385 sja1105_build_subvlans() warn: should '(((1))) << upstream' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2386 sja1105_build_subvlans() warn: should '(((1))) << (v->port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2387 sja1105_build_subvlans() warn: should '(((1))) << upstream' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2392 sja1105_build_subvlans() warn: should '(((1))) << (v->port)' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2394 sja1105_build_subvlans() warn: should '(((1))) << upstream' be a 64 bit type? drivers/net/dsa/sja1105/sja1105_main.c:2410 sja1105_build_subvlans() warn:
[kbuild] fs/cifs/dfs_cache.c:1382 __refresh_tcon() warn: passing a valid pointer to 'PTR_ERR'
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Paulo Alcantara
CC: Steve French
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 8ab774587903771821b59471cc723bba6d893942
commit: c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e cifs: support nested dfs links
over reconnect
date: 5 days ago
:: branch date: 14 hours ago
:: commit date: 5 days ago
config: xtensa-randconfig-m031-2025 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
fs/cifs/dfs_cache.c:1382 __refresh_tcon() warn: passing a valid pointer to
'PTR_ERR'
Old smatch warnings:
arch/xtensa/include/asm/thread_info.h:91 current_thread_info() warn:
inconsistent indenting
fs/cifs/dfs_cache.c:509 copy_ref_data() warn: passing a valid pointer to
'PTR_ERR'
vim +/PTR_ERR +1382 fs/cifs/dfs_cache.c
5072010ccf0592 Paulo Alcantara (SUSE 2019-03-19 1365)
b62366181a5e94 Paulo Alcantara2021-07-16 1366 /* Refresh dfs referral
of tcon and mark it for reconnect if needed */
c88f7dcd6d6429 Paulo Alcantara2021-11-03 1367 static int
__refresh_tcon(const char *path, struct cifs_ses **sessions, struct cifs_tcon
*tcon,
c88f7dcd6d6429 Paulo Alcantara2021-11-03 1368
bool force_refresh)
b62366181a5e94 Paulo Alcantara2021-07-16 1369 {
b62366181a5e94 Paulo Alcantara2021-07-16 1370 struct cifs_ses
*ses;
1023e90b733acd Paulo Alcantara2021-06-08 1371 struct
cache_entry *ce;
1023e90b733acd Paulo Alcantara2021-06-08 1372 struct
dfs_info3_param *refs = NULL;
1023e90b733acd Paulo Alcantara2021-06-08 1373 int numrefs = 0;
1023e90b733acd Paulo Alcantara2021-06-08 1374 bool
needs_refresh = false;
b62366181a5e94 Paulo Alcantara2021-07-16 1375 struct
dfs_cache_tgt_list tl = DFS_CACHE_TGT_LIST_INIT(tl);
c9f71103990591 Paulo Alcantara2021-06-04 1376 int rc = 0;
b62366181a5e94 Paulo Alcantara2021-07-16 1377 unsigned int
xid;
1023e90b733acd Paulo Alcantara2021-06-08 1378
c9f71103990591 Paulo Alcantara2021-06-04 1379 ses =
find_ipc_from_server_path(sessions, path);
b62366181a5e94 Paulo Alcantara2021-07-16 1380 if
(IS_ERR(ses)) {
b62366181a5e94 Paulo Alcantara2021-07-16 1381
cifs_dbg(FYI, "%s: could not find ipc session\n", __func__);
b62366181a5e94 Paulo Alcantara2021-07-16 @1382 return
PTR_ERR(ses);
b62366181a5e94 Paulo Alcantara2021-07-16 1383 }
1023e90b733acd Paulo Alcantara2021-06-08 1384
1023e90b733acd Paulo Alcantara2021-06-08 1385
down_read(_rw_lock);
1023e90b733acd Paulo Alcantara2021-06-08 1386 ce =
lookup_cache_entry(path);
b62366181a5e94 Paulo Alcantara2021-07-16 1387 needs_refresh =
force_refresh || IS_ERR(ce) || cache_entry_expired(ce);
b62366181a5e94 Paulo Alcantara2021-07-16 1388 if
(!IS_ERR(ce)) {
b62366181a5e94 Paulo Alcantara2021-07-16 1389 rc =
get_targets(ce, );
b62366181a5e94 Paulo Alcantara2021-07-16 1390 if (rc)
b62366181a5e94 Paulo Alcantara2021-07-16 1391
cifs_dbg(FYI, "%s: could not get dfs targets: %d\n", __func__, rc);
b62366181a5e94 Paulo Alcantara2021-07-16 1392 }
1023e90b733acd Paulo Alcantara2021-06-08 1393
up_read(_rw_lock);
1023e90b733acd Paulo Alcantara2021-06-08 1394
b62366181a5e94 Paulo Alcantara2021-07-16 1395 if
(!needs_refresh) {
b62366181a5e94 Paulo Alcantara2021-07-16 1396 rc = 0;
b62366181a5e94 Paulo Alcantara2021-07-16 1397 goto
out;
b62366181a5e94 Paulo Alcantara2021-07-16 1398 }
1023e90b733acd Paulo Alcantara2021-06-08 1399
c9f71103990591 Paulo Alcantara2021-06-04 1400 xid = get_xid();
1023e90b733acd Paulo Alcantara2021-06-08 1401 rc =
get_dfs_referral(xid, ses, path, , );
c9f71103990591 Paulo Alcantara2021-06-04 1402 free_xid(xid);
1023e90b733acd Paulo Alcantara2021-06-08 1403
1023e90b733acd Paulo Alcantara2021-06-08 1404 /* Create or
update a cache entry with the new referral */
1023e90b733acd Paulo Alcantara2021-06-08 1405 if (!rc) {
b62366181a5e94 Paulo Alcantara2021-07-16 1406
dump_refs(refs, numrefs);
b62366181a5e94 Paulo Alcantara2021-07-16 1407
1023e90b733acd Paulo Alcantara2021-06-08 1408
down_write(_rw_lock);
1023e90b733acd Paulo Alcantara2021-06-08 1409
[kbuild] [ast-bpf:relo_core 9/19] tools/lib/bpf/relo_core.c:1025:7: warning: Branch condition evaluates to a garbage value [clang-analyzer-core.uninitialized.Branch]
CC: l...@lists.linux.dev
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Alexei Starovoitov
tree: https://git.kernel.org/pub/scm/linux/kernel/git/ast/bpf.git relo_core
head: f17ef55e5e0bac0d11d3186cd1c468b5a1e047d7
commit: 03c354f8c71c2478c421d5552d284e0befb03861 [9/19] bpf: Prepare
relo_core.c for kernel duty.
:: branch date: 20 hours ago
:: commit date: 3 days ago
config: arm-randconfig-c002-2024 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
c3dddeeafb529e769cde87bd29ef6271ac6bfa5c)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
#
https://git.kernel.org/pub/scm/linux/kernel/git/ast/bpf.git/commit/?id=03c354f8c71c2478c421d5552d284e0befb03861
git remote add ast-bpf
https://git.kernel.org/pub/scm/linux/kernel/git/ast/bpf.git
git fetch --no-tags ast-bpf relo_core
git checkout 03c354f8c71c2478c421d5552d284e0befb03861
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^
include/linux/compiler_types.h:305:2: note: expanded from macro
'_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:297:3: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
^
drivers/media/cec/core/cec-api.c:677:4: note: Loop condition is false.
Exiting loop
list_first_entry(>msgs, struct cec_msg_entry,
list);
^
include/linux/list.h:522:2: note: expanded from macro 'list_first_entry'
list_entry((ptr)->next, type, member)
^
include/linux/list.h:511:2: note: expanded from macro 'list_entry'
container_of(ptr, type, member)
^
include/linux/kernel.h:494:2: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to
see all)
include/linux/compiler_types.h:317:2: note: expanded from macro
'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_,
__COUNTER__)
^
include/linux/compiler_types.h:305:2: note: expanded from macro
'_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:295:2: note: expanded from macro
'__compiletime_assert'
do {\
^
drivers/media/cec/core/cec-api.c:680:3: note: Memory is released
kfree(entry);
^~~~
drivers/media/cec/core/cec-api.c:675:2: note: Loop condition is true.
Entering loop body
while (!list_empty(>msgs)) {
^
drivers/media/cec/core/cec-api.c:677:4: note: Left side of '&&' is false
list_first_entry(>msgs, struct cec_msg_entry,
list);
^
include/linux/list.h:522:2: note: expanded from macro 'list_first_entry'
list_entry((ptr)->next, type, member)
^
include/linux/list.h:511:2: note: expanded from macro 'list_entry'
container_of(ptr, type, member)
^
include/linux/kernel.h:494:61: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
drivers/media/cec/core/cec-api.c:677:4: note: Taking false branch
list_first_entry(>msgs, struct cec_msg_entry,
list);
^
include/linux/list.h:522:2: note: expanded from macro 'list_first_entry'
list_entry((ptr)->next, type, member)
^
include/linux/list.h:511:2: note: expanded from macro 'list_entry'
container_of(ptr, type, member)
^
include/linux/kernel.h:494:2: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to
see all)
include/linux/compiler_types.h:317:2: note: expanded from macro
'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_,
__COUNTER__)
^
include/linux/compiler_types.h:305:2: note: expanded from
