On Mon, 9 Sep 2019, Brian T wrote:
Maybe Richard can say something about this?
We are not actively supporting KLIPS on kernels > 3.x and working on
merging in XFRMi so we can remove KLIPS support entirely. We don't
have the resouces to work on KLIPS on 4.x/5.x
Paul
Date: Mon, 9 Sep 2019 09:11:07
From: Brian T <[email protected]>
Cc: [email protected]
To: Paul Wouters <[email protected]>, Brian T <[email protected]>
Subject: Re: [Swan] klips + ipsec whack --shutdown causes lockup
Found the dependency modules in the kernel config that were causing xfrm
to build and removed them. The lockup issue is still present.
Here is the trace when shutting down. ipsec.ko is unloaded, but I do not see
anything related to it in the trace.
[ 570.847388] skbuff: skb_over_panic: text:c04d4e3c len:70 put:70 head:
(null) data: (null) tail:0x46 end:0x0 dev:eth0
[ 570.858268] ------------[ cut here ]------------
[ 570.862909] Kernel BUG at c0596118 [verbose debug info unavailable]
[ 570.869201] Internal error: Oops - BUG: 0 [#1] PREEMPT ARM
[ 570.874708] Modules linked in: ipsec(O) cmac gcm ccm cdc_acm nf_log_ipv6
nf_conntrack_ipv6 nf_defrag_ipv6 nf_log_ipv4 nf_log_common xt_multiport
xt_TCPMSS xt_conntrack xt_LOG xt_limit iptable_mangle ipt_MASQUERADE
nf_nat_masquerade_ipv4 xt_REDIRECT nf_nat_redirect iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_raw iptable_filter
ip_tables ath9k_htc mac80211 ath9k_common ath9k_hw ath cfg80211 smsc95xx
cdc_ncm cdc_ether GobiNet(O) usbnet mii GobiSerial(O) ti_am335x_adc kfifo_buf
industrialio i2c_hid usbhid hid_generic hid xr_usb_serial_common(O) option
usb_wwan usbserial ppp_async ppp_generic slhc gpio_keys evdev sd_mod sg
mtd_spi_sram spi_omap2_mcspi lm75 ads1015 hwmon at25 at24 nvmem_core usb_f_ecm
dwc3_omap sxni_iodb(O) g_ether usb_f_rndis libcomposite u_ether configfs
jbm_feature [last unloaded: ipsec]
[ 570.948854] CPU: 0 PID: 0 Comm: swapper Tainted: G O 4.9.119
#1
[ 570.955930] Hardware name: Generic AM43 (Flattened Device Tree)
[ 570.961873] task: c0a08c38 task.stack: c0a00000
[ 570.966436] PC is at skb_panic+0x64/0x68
[ 570.970381] LR is at irq_work_queue+0xdc/0x104
[ 570.974844] pc : [<c0596118>] lr : [<c0190e0c>] psr: 20000113
[ 570.974844] sp : c0a01cc0 ip : c0a01b88 fp : c0a01ce4
[ 570.986369] r10: c0112390 r9 : 00000046 r8 : 000a0000
[ 570.991613] r7 : 00000000 r6 : c075c714 r5 : 00000000 r4 : 00000046
[ 570.998166] r3 : c0a00000 r2 : 00000101 r1 : c0a257fc r0 : 0000006a
[ 571.004721] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment
none
[ 571.011884] Control: 10c53c7d Table: 9df80059 DAC: 00000051
[ 571.017652] Process swapper (pid: 0, stack limit = 0xc0a00210)
[ 571.023507] Stack: (0xc0a01cc0 to 0xc0a02000)
[ 571.027885] 1cc0: 00000046 00000000 00000000 00000046 00000000 df46f800
c0a01d04 c0a01ce8
[ 571.036100] 1ce0: c0596f80 c05960c0 dcccda00 df46f800 df467c10 dc8e3540
c0a01d44 c0a01d08
[ 571.044314] 1d00: c04d4e3c c0596f34 df46b640 e0a74ec0 c0a01d44 c0a01d20
c036bbb4 e0a74ec0
[ 571.052528] 1d20: df2a7d90 df46b7d0 dcccda00 00000046 000a0000 c0112390
c0a01d7c c0a01d48
[ 571.060743] 1d40: c04cd678 c04d4d9c 00000000 c01642d4 00000001 df2a7d90
000a0000 e0a74ec0
[ 571.068957] 1d60: df46b7d0 4a102ec0 20000113 00000046 c0a01db4 c0a01d80
c04cd844 c04cd5dc
[ 571.077170] 1d80: c0164fd4 e0a74000 c0a2efd0 00000000 df2a7d90 00000040
00000040 df467c38
[ 571.085383] 1da0: c0a28280 c0a01e18 c0a01dd4 c0a01db8 c04ce8b0 c04cd6a0
00000001 df467c38
[ 571.093597] 1dc0: 00000000 00000040 c0a01dfc c0a01dd8 c04d675c c04ce878
df467c38 00000001
[ 571.101812] 1de0: 0000012c 000069cd 00000040 c0a28280 c0a01e54 c0a01e00
c05a76d4 c04d671c
[ 571.110025] 1e00: c082d65c c0834060 c082d318 c0a0373c c0a55128 c0a54e40
c0a01e18 c0a01e18
[ 571.118238] 1e20: c0a01e20 c0a01e20 df004000 00000000 c0a586cc 40000003
ffffe000 c0a586c0
[ 571.126452] 1e40: 00000101 00000003 c0a01eb4 c0a01e58 c0132f10 c05a75d0
c0161cec c01642d4
[ 571.134667] 1e60: 00000084 00200100 c0a28280 000069cc c07d700c c0703778
0000000a c0a58680
[ 571.142880] 1e80: c0a25588 c0a586c0 c0a01eb4 c0a2efd0 00000000 00000000
00000001 df004000
[ 571.151094] 1ea0: c0a00000 00000001 c0a01ec4 c0a01eb8 c01333e4 c0132e38
c0a01eec c0a01ec8
[ 571.159307] 1ec0: c0161490 c01332e0 c0a02b34 fa24010c c0a01f18 fa240100
fa241100 c0a00000
[ 571.167522] 1ee0: c0a01f14 c0a01ef0 c01014fc c016143c c0183d08 20000013
ffffffff c0a01f4c
[ 571.175736] 1f00: c0a4b108 c0a00000 c0a01f74 c0a01f18 c010c20c c01014c8
00000000 00000084
[ 571.183949] 1f20: e88e1d61 000069cb ffffe000 c0a028b4 00000000 00000000
c0a4b108 c0a54fa7
[ 571.192163] 1f40: 00000001 c0a01f74 c0a01e80 c0a01f68 c0357168 c0183d08
20000013 ffffffff
[ 571.200377] 1f60: 00000051 00000000 c0a01f94 c0a01f78 c015a004 c0183ce0
c06d1b98 c07d8864
[ 571.208591] 1f80: 00000002 c0a02840 c0a01fac c0a01f98 c06cf144 c0159fcc
00000000 c0a57000
[ 571.216805] 1fa0: c0a01ff4 c0a01fb0 c0900c8c c06cf0c4 ffffffff ffffffff
00000000 c09006f0
[ 571.225019] 1fc0: 00000000 c09398c4 00000000 c0a571d4 c0a0285c c09398c0
c0a09db4 80004059
[ 571.233232] 1fe0: 412fc09a 00000000 00000000 c0a01ff8 80008078 c0900984
00000000 00000000
[ 571.241439] Backtrace:
[ 571.243909] [<c05960b4>] (skb_panic) from [<c0596f80>] (skb_put+0x58/0x5c)
[ 571.250827] [<c0596f28>] (skb_put) from [<c04d4e3c>]
(cpsw_rx_handler+0xac/0x250)
[ 571.258343] r7:dc8e3540 r6:df467c10 r5:df46f800 r4:dcccda00
[ 571.264044] [<c04d4d90>] (cpsw_rx_handler) from [<c04cd678>]
(__cpdma_chan_free+0xa8/0xc4)
[ 571.272345] r10:c0112390 r9:000a0000 r8:00000046 r7:dcccda00 r6:df46b7d0
r5:df2a7d90
[ 571.280204] r4:e0a74ec0
[ 571.282752] [<c04cd5d0>] (__cpdma_chan_free) from [<c04cd844>]
(__cpdma_chan_process+0x1b0/0x1d0)
[ 571.291663] r10:00000046 r9:20000113 r8:4a102ec0 r7:df46b7d0 r6:e0a74ec0
r5:000a0000
[ 571.299521] r4:df2a7d90
[ 571.302068] [<c04cd694>] (__cpdma_chan_process) from [<c04ce8b0>]
(cpdma_chan_process+0x44/0x5c)
[ 571.310892] r10:c0a01e18 r9:c0a28280 r8:df467c38 r7:00000040 r6:00000040
r5:df2a7d90
[ 571.318751] r4:00000000
[ 571.321298] [<c04ce86c>] (cpdma_chan_process) from [<c04d675c>]
(cpsw_rx_poll+0x4c/0xc4)
[ 571.329422] r7:00000040 r6:00000000 r5:df467c38 r4:00000001
[ 571.335119] [<c04d6710>] (cpsw_rx_poll) from [<c05a76d4>]
(net_rx_action+0x110/0x2c4)
[ 571.342985] r9:c0a28280 r8:00000040 r7:000069cd r6:0000012c r5:00000001
r4:df467c38
[ 571.350776] [<c05a75c4>] (net_rx_action) from [<c0132f10>]
(__do_softirq+0xe4/0x268)
[ 571.358553] r10:00000003 r9:00000101 r8:c0a586c0 r7:ffffe000 r6:40000003
r5:c0a586cc
[ 571.366412] r4:00000000
[ 571.368959] [<c0132e2c>] (__do_softirq) from [<c01333e4>]
(irq_exit+0x110/0x144)
[ 571.376389] r10:00000001 r9:c0a00000 r8:df004000 r7:00000001 r6:00000000
r5:00000000
[ 571.384247] r4:c0a2efd0
[ 571.386798] [<c01332d4>] (irq_exit) from [<c0161490>]
(__handle_domain_irq+0x60/0xb0)
[ 571.394666] [<c0161430>] (__handle_domain_irq) from [<c01014fc>]
(gic_handle_irq+0x40/0x6c)
[ 571.403055] r9:c0a00000 r8:fa241100 r7:fa240100 r6:c0a01f18 r5:fa24010c
r4:c0a02b34
[ 571.410834] [<c01014bc>] (gic_handle_irq) from [<c010c20c>]
(__irq_svc+0x6c/0xa8)
[ 571.418345] Exception stack(0xc0a01f18 to 0xc0a01f60)
[ 571.423415] 1f00:
00000000 00000084
[ 571.431630] 1f20: e88e1d61 000069cb ffffe000 c0a028b4 00000000 00000000
c0a4b108 c0a54fa7
[ 571.439843] 1f40: 00000001 c0a01f74 c0a01e80 c0a01f68 c0357168 c0183d08
20000013 ffffffff
[ 571.448057] r9:c0a00000 r8:c0a4b108 r7:c0a01f4c r6:ffffffff r5:20000013
r4:c0183d08
[ 571.455849] [<c0183cd4>] (tick_nohz_idle_enter) from [<c015a004>]
(cpu_startup_entry+0x44/0x174)
[ 571.464681] [<c0159fc0>] (cpu_startup_entry) from [<c06cf144>]
(rest_init+0x8c/0x90)
[ 571.472454] r7:c0a02840
[ 571.475001] [<c06cf0b8>] (rest_init) from [<c0900c8c>]
(start_kernel+0x314/0x320)
[ 571.482513] r5:c0a57000 r4:00000000
[ 571.486104] [<c0900978>] (start_kernel) from [<80008078>] (0x80008078)
[ 571.492661] Code: e34c0082 e58d400c e58de010 ebf03935 (e7f001f2)
[ 571.498782] ---[ end trace adcee6f4e49b6bb7 ]---
[ 571.503418] Kernel panic - not syncing: Fatal exception in interrupt
[ 571.509799] Rebooting in 30 seconds..
If I comment out "rmmod ipsec" from _stackmanager and shutdown I get this
(which still in the bottom part says ipsec was unloaded?)
Sep 9 08:07:19 kernel: [ 373.641887] IPSEC EVENT: KLIPS device ipsec0 shut
down.
Sep 9 08:07:20 kernel: [ 374.376539]
Sep 9 08:07:20 kernel: [ 374.529318]
Sep 9 08:07:20 kernel: [ 374.529347] klips_info:pfkey_cleanup: shutting down
PF_KEY domain sockets.
Sep 9 08:07:20 kernel: [ 374.559223] NET: Unregistered protocol family 15
[ 374.816756] Internal error: Oops: 5 [#1] PREEMPT ARM
[ 374.821751] Modules linked in: cmac gcm ccm cdc_acm nf_log_ipv6
nf_conntrack_ipv6 nf_defrag_ipv6 nf_log_ipv4 nf_log_common xt_multiport
xt_TCPMSS xt_conntrack xt_LOG xt_limit iptable_mangle ipt_MASQUERADE
nf_nat_masquerade_ipv4 xt_REDIRECT nf_nat_redirect iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_raw iptable_filter
ip_tables ath9k_htc mac80211 ath9k_common ath9k_hw ath cfg80211 smsc95xx
cdc_ncm cdc_ether GobiNet(O) usbnet mii GobiSerial(O) ti_am335x_adc kfifo_buf
industrialio i2c_hid usbhid hid_generic hid xr_usb_serial_common(O) option
usb_wwan usbserial ppp_async ppp_generic slhc gpio_keys evdev sd_mod sg
mtd_spi_sram spi_omap2_mcspi lm75 ads1015 hwmon at25 at24 nvmem_core usb_f_ecm
dwc3_omap sxni_iodb(O) g_ether usb_f_rndis libcomposite u_ether configfs
jbm_feature [last unloaded: ipsec]
[ 374.895105] CPU: 0 PID: 1678 Comm: sled_watcher Tainted: G O
4.9.119 #1
[ 374.902880] Hardware name: Generic AM43 (Flattened Device Tree)
[ 374.908823] task: df1ed100 task.stack: dddb4000
[ 374.913386] PC is at copy_process.part.3+0xab4/0x1590
[ 374.918457] LR is at 0x0
[ 374.921000] pc : [<c012e048>] lr : [<00000000>] psr: 00010013
[ 374.921000] sp : dddb5eb8 ip : ffff0002 fp : dddb5f3c
[ 374.932525] r10: 00000000 r9 : 00000000 r8 : 00000000
[ 374.937769] r7 : c0a58200 r6 : ddf8d540 r5 : ddc7e1b8 r4 : dd30daa8
[ 374.944322] r3 : 000000b8 r2 : de0863c4 r1 : 00000000 r0 : ddc46798
[ 374.950877] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment
none
[ 374.958041] Control: 10c53c7d Table: 9d9e8059 DAC: 00000051
[ 374.963809] Process sled_watcher (pid: 1678, stack limit = 0xdddb4210)
[ 374.970361] Stack: (0xdddb5eb8 to 0xdddb6000)
[ 374.974735] 5ea0:
dddb5ee4 fff7cdff
[ 374.982949] 5ec0: 024000c0 ddf8d574 ddd131f4 ffffe000 ddf8d544 ddf8d540
00000000 00000000
[ 374.991164] 5ee0: 01200011 ddd03448 ddd03280 ddd131c0 00000000 b6fd7c78
00000000 00000000
[ 374.999377] 5f00: 44431ce7 00000057 dddb5f34 fffffff4 c013a9d0 01200011
00000000 b6fd80d0
[ 375.007590] 5f20: 00000000 00000000 dddb4000 00000000 dddb5f8c dddb5f40
c012ec84 c012d5a0
[ 375.015804] 5f40: 00000000 00000000 ffffffff be909fc4 00000051 be909f44
00000051 be909fc4
[ 375.024017] 5f60: 00000008 b6fd7c78 00000000 b6fd80d0 00000078 c0107d04
dddb4000 00000000
[ 375.032230] 5f80: dddb5fa4 dddb5f90 c012eff8 c012ebe8 b6fd7c78 00000000
00000000 dddb5fa8
[ 375.040443] 5fa0: c0107b40 c012efdc b6fd7c78 00000000 01200011 00000000
00000000 00000000
[ 375.048656] 5fc0: b6fd7c78 00000000 b6fd80d0 00000078 b6f9a000 00000000
00000000 b6fd7c10
[ 375.056869] 5fe0: 00000078 be909ef0 b6f1995f b6ebd206 20010030 01200011
00000000 00000000
[ 375.065075] Backtrace:
[ 375.067544] [<c012d594>] (copy_process.part.3) from [<c012ec84>]
(_do_fork+0xa8/0x328)
[ 375.075498] r10:00000000 r9:dddb4000 r8:00000000 r7:00000000 r6:b6fd80d0
r5:00000000
[ 375.083358] r4:01200011
[ 375.085906] [<c012ebdc>] (_do_fork) from [<c012eff8>]
(SyS_clone+0x28/0x30)
[ 375.092900] r10:00000000 r9:dddb4000 r8:c0107d04 r7:00000078 r6:b6fd80d0
r5:00000000
[ 375.100759] r4:b6fd7c78
[ 375.103315] [<c012efd0>] (SyS_clone) from [<c0107b40>]
(ret_fast_syscall+0x0/0x48)
[ 375.110919] Code: e3130b02 0a000006 e28130b8 f5d3f000 (e1930f9f)
[ 375.123423] ---[ end trace adcee6f4e49b6bb7 ]---
Sep 9 08:07:21 kernel: [ 374.816726] Unable to handle kernel NULL pointer
dereference at virtual address 000000b8
Sep 9 08:07:21 kernel: [ 374.816738] pgd = dd9e8000
Sep 9 08:07:21 kernel: [ 374.816743] [000000b8] *pgd=00000000
Sep 9 08:07:21 kernel: [ 374.816756] Internal error: Oops: 5 [#1] PREEMPT
ARM
Sep 9 08:07:21 kernel: [ 374.821751] Modules linked in: cmac gcm ccm cdc_acm
nf_log_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 nf_log_ipv4 nf_log_common
xt_multiport xt_TCPMSS xt_conntrack xt_LOG xt_limit iptable_mangle
ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_REDIRECT nf_nat_redirect iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_raw iptable_filter
ip_tables ath9k_htc mac80211 ath9k_common ath9k_hw ath cfg80211 smsc95xx
cdc_ncm cdc_ether GobiNet(O) usbnet mii GobiSerial(O) ti_am335x_adc kfifo_buf
industrialio i2c_hid usbhid hid_generic hid xr_usb_serial_common(O) option
usb_wwan usbserial ppp_async ppp_generic slhc gpio_keys evdev sd_mod sg
mtd_spi_sram spi_omap2_mcspi lm75 ads1015 hwmon at25 at24 nvmem_core usb_f_ecm
dwc3_omap sxni_iodb(O) g_ether usb_f_rndis libcomposite u_ether configfs
jbm_feature
Sep 9 08:07:21 kernel: [ 374.892904] [last unloaded: ipsec]
Sep 9 08:07:21 kernel: [ 374.895105] CPU: 0 PID: 1678 Comm: sled_watcher
Tainted: G O 4.9.119 #1
Sep 9 08:07:21 kernel: [ 374.902880] Hardware name: Generic AM43 (Flattened
Device Tree)
Sep 9 08:07:21 kernel: [ 374.908823] task: df1ed100 task.stack: dddb4000
Sep 9 08:07:21 kernel: [ 374.913386] PC is at
copy_process.part.3+0xab4/0x1590
Sep 9 08:07:21 kernel: [ 374.918457] LR is at 0x0
Sep 9 08:07:21 kernel: [ 374.921000] pc : [<c012e048>] lr : [<00000000>]
psr: 00010013
Sep 9 08:07:21 kernel: [ 374.921000] sp : dddb5eb8 ip : ffff0002 fp :
dddb5f3c
Sep 9 08:07:21 kernel: [ 374.932525] r10: 00000000 r9 : 00000000 r8 :
00000000
Sep 9 08:07:21 kernel: [ 374.937769] r7 : c0a58200 r6 : ddf8d540 r5 :
ddc7e1b8 r4 : dd30daa8
Sep 9 08:07:21 kernel: [ 374.944322] r3 : 000000b8 r2 : de0863c4 r1 :
00000000 r0 : ddc46798
Sep 9 08:07:21 kernel: [ 374.950877] Flags: nzcv IRQs on FIQs on Mode
SVC_32 ISA ARM Segment none
Sep 9 08:07:21 kernel: [ 374.958041] Control: 10c53c7d Table: 9d9e8059
DAC: 00000051
Sep 9 08:07:21 kernel: [ 374.963809] Process sled_watcher (pid: 1678, stack
limit = 0xdddb4210)
Sep 9 08:07:21 kernel: [ 374.970361] Stack: (0xdddb5eb8 to 0xdddb6000)
Sep 9 08:07:21 kernel: [ 374.974735] 5ea0:
dddb5ee4 fff7cdff
Sep 9 08:07:21 kernel: [ 374.982949] 5ec0: 024000c0 ddf8d574 ddd131f4
ffffe000 ddf8d544 ddf8d540 00000000 00000000
Sep 9 08:07:21 kernel: [ 374.991164] 5ee0: 01200011 ddd03448 ddd03280
ddd131c0 00000000 b6fd7c78 00000000 00000000
Sep 9 08:07:21 kernel: [ 374.999377] 5f00: 44431ce7 00000057 dddb5f34
fffffff4 c013a9d0 01200011 00000000 b6fd80d0
Sep 9 08:07:21 kernel: [ 375.007590] 5f20: 00000000 00000000 dddb4000
00000000 dddb5f8c dddb5f40 c012ec84 c012d5a0
Sep 9 08:07:21 kernel: [ 375.015804] 5f40: 00000000 00000000 ffffffff
be909fc4 00000051 be909f44 00000051 be909fc4
Sep 9 08:07:21 kernel: [ 375.024017] 5f60: 00000008 b6fd7c78 00000000
b6fd80d0 00000078 c0107d04 dddb4000 00000000
Sep 9 08:07:21 kernel: [ 375.032230] 5f80: dddb5fa4 dddb5f90 c012eff8
c012ebe8 b6fd7c78 00000000 00000000 dddb5fa8
Sep 9 08:07:21 kernel: [ 375.040443] 5fa0: c0107b40 c012efdc b6fd7c78
00000000 01200011 00000000 00000000 00000000
Sep 9 08:07:21 kernel: [ 375.048656] 5fc0: b6fd7c78 00000000 b6fd80d0
00000078 b6f9a000 00000000 00000000 b6fd7c10
Sep 9 08:07:21 kernel: [ 375.056869] 5fe0: 00000078 be909ef0 b6f1995f
b6ebd206 20010030 01200011 00000000 00000000
Sep 9 08:07:21 kernel: [ 375.065075] Backtrace:
Sep 9 08:07:21 kernel: [ 375.067544] [<c012d594>] (copy_process.part.3) from
[<c012ec84>] (_do_fork+0xa8/0x328)
Sep 9 08:07:21 kernel: [ 375.075498] r10:00000000 r9:dddb4000 r8:00000000
r7:00000000 r6:b6fd80d0 r5:00000000
Sep 9 08:07:21 kernel: [ 375.083358] r4:01200011
Sep 9 08:07:21 kernel: [ 375.085906] [<c012ebdc>] (_do_fork) from
[<c012eff8>] (SyS_clone+0x28/0x30)
Sep 9 08:07:21 kernel: [ 375.092900] r10:00000000 r9:dddb4000 r8:c0107d04
r7:00000078 r6:b6fd80d0 r5:00000000
Sep 9 08:07:21 kernel: [ 375.100759] r4:b6fd7c78
Sep 9 08:07:21 kernel: [ 375.103315] [<c012efd0>] (SyS_clone) from
[<c0107b40>] (ret_fast_syscall+0x0/0x48)
Sep 9 08:07:21 kernel: [ 375.110919] Code: e3130b02 0a000006 e28130b8
f5d3f000 (e1930f9f)
Sep 9 08:07:21 kernel: [ 375.123423] ---[ end trace adcee6f4e49b6bb7 ]---
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