** Changed in: linux (Ubuntu)
Assignee: (unassigned) => dann frazier (dannf)
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => dann frazier (dannf)
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https://bugs.launchpad.net/bugs/1973153
Title:
kernel oops triggered by read_all_sys in ubuntu_ltp/fs on J-5.15 /
J-5.17 ARM64 "helo-kernel", "howzit-kernel"
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Jammy:
Incomplete
Bug description:
Issue found on Jammy 5.17.0-8-generic #8~22.04.2-Ubuntu and Jammy
5.15.0-27-generic with ARM64 node helo-kernel only.
It looks like this is hardware-specific.
The read_all_sys test in fs from ubuntu_ltp will cause kernel oops and
test will timeout.
Steps to reproduce this:
git clone -b sru git://git.launchpad.net/~canonical-kernel-team/+git/ltp
cd ltp
make autotools
./configure
make
sudo make install
echo "read_all_sys read_all -d /sys -q -r 3" > /tmp/fs
sudo /opt/ltp/runltp -f /tmp/fs
Test log:
<<<test_start>>>
tag=read_all_sys stime=1652343855
cmdline="read_all -d /sys -q -r 3"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
tst_test.c:1456: TINFO: Timeout per run is 0h 30m 00s
Test timeouted, sending SIGKILL!
tst_test.c:1500: TINFO: Killed the leftover descendant processes
tst_test.c:1506: TINFO: If you are running on slow machine, try exporting
LTP_TIMEOUT_MUL > 1
tst_test.c:1508: TBROK: Test killed! (timeout?)
Summary:
passed 0
failed 0
broken 1
skipped 0
warnings 0
<<<execution_status>>>
initiation_status="ok"
duration=1800 termination_type=exited termination_id=2 corefile=no
cutime=39 cstime=140
<<<test_end>>>
dmesg output:
[ 1614.203083] LTP: starting read_all_sys (read_all -d /sys -q -r 3)
[ 1617.509566] mpt3sas 0000:8d:00.0: invalid VPD tag 0x00 (size 0) at offset
0; assume missing optional EEPROM
[ 1617.543837] mpt3sas_cm0: host_trace_buffer_size_show: host_trace_buffer is
not registered
[ 1617.550373] mpt3sas_cm0: host_trace_buffer_size_show: host_trace_buffer is
not registered
[ 1617.550381] mpt3sas_cm0: host_trace_buffer_size_show: host_trace_buffer is
not registered
[ 1617.550474] mpt3sas_cm0: host_trace_buffer_show: host_trace_buffer is not
registered
[ 1617.550504] mpt3sas_cm0: host_trace_buffer_show: host_trace_buffer is not
registered
[ 1617.550593] mpt3sas_cm0: BRM_status_show: BRM attribute is only for
warpdrive
[ 1617.550622] mpt3sas_cm0: BRM_status_show: BRM attribute is only for
warpdrive
[ 1617.598371] mpt3sas_cm0: host_trace_buffer_show: host_trace_buffer is not
registered
[ 1617.606183] mpt3sas_cm0: BRM_status_show: BRM attribute is only for
warpdrive
[ 1617.641990] mpt3sas 0000:8d:00.0: VPD access failed. This is likely a
firmware bug on this device. Contact the card vendor for a firmware update
[ 1617.973894] WARNING! power/level is deprecated; use power/control instead
[ 1619.368112] bdi 7:6: the stable_pages_required attribute has been removed.
Use the stable_writes queue attribute instead.
[ 1627.430319] Unable to handle kernel paging request at virtual address
ffff800033b503bf
[ 1627.438256] Mem abort info:
[ 1627.441086] ESR = 0x96000021
[ 1627.444133] EC = 0x25: DABT (current EL), IL = 32 bits
[ 1627.449469] SET = 0, FnV = 0
[ 1627.452515] EA = 0, S1PTW = 0
[ 1627.455676] FSC = 0x21: alignment fault
[ 1627.459701] Data abort info:
[ 1627.462597] ISV = 0, ISS = 0x00000021
[ 1627.466449] CM = 0, WnR = 0
[ 1627.469434] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000f4aba000
[ 1627.476160] [ffff800033b503bf] pgd=100000bffcfff003, p4d=100000bffcfff003,
pud=100000bffcffe003, pmd=10000008948f5003, pte=0068000080213f0f
[ 1627.488712] Internal error: Oops: 96000021 [#1] SMP
[ 1627.493585] Modules linked in: efi_pstore nls_iso8859_1 joydev input_leds
acpi_ipmi ipmi_ssif thunderx2_pmu cppc_cpufreq sch_fq_codel dm_multipath
scsi_dh_rdac scsi_dh_emc scsi_dh_alua ipmi_devintf ipmi_msghandler ip_tables
x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon
raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid uas hid
usb_storage ast drm_vram_helper drm_ttm_helper i2c_smbus ttm i2c_algo_bit
drm_kms_helper syscopyarea crct10dif_ce sysfillrect ghash_ce sysimgblt sha2_ce
fb_sys_fops cec sha256_arm64 rc_core sha1_ce qede mpt3sas qed raid_class drm
scsi_transport_sas xhci_pci ahci xhci_pci_renesas gpio_xlp i2c_xlp9xx
aes_neon_bs aes_neon_blk aes_ce_blk aes_ce_cipher
[ 1627.500861] Unable to handle kernel paging request at virtual address
ffff800033b503bf
[ 1627.562614] CPU: 71 PID: 4190 Comm: read_all Not tainted 5.17.0-8-generic
#8~22.04.2-Ubuntu
[ 1627.562623] Hardware name: To be filled by O.E.M. Saber/Saber, BIOS
0ACKL030 06/04/2020
[ 1627.562626] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 1627.570544] Mem abort info:
[ 1627.571497] Unable to handle kernel paging request at virtual address
ffff800033b503bf
[ 1627.571505] Mem abort info:
[ 1627.571508] ESR = 0x96000021
[ 1627.571511] EC = 0x25: DABT (current EL), IL = 32 bits
[ 1627.571516] SET = 0, FnV = 0
[ 1627.571519] EA = 0, S1PTW = 0
[ 1627.571521] FSC = 0x21: alignment fault
[ 1627.571524] Data abort info:
[ 1627.571526] ISV = 0, ISS = 0x00000021
[ 1627.571529] CM = 0, WnR = 0
[ 1627.571531] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000f4aba000
[ 1627.571536] [ffff800033b503bf] pgd=100000bffcfff003, p4d=100000bffcfff003,
pud=100000bffcffe003, pmd=10000008948f5003, pte=0068000080213f0f
[ 1627.578871] pc : __memcpy+0x168/0x240
[ 1627.578882] lr : memory_read_from_buffer+0x58/0x80
[ 1627.578892] sp : ffff800032ddba40
[ 1627.578894] x29: ffff800032ddba40 x28: ffff00083e53b0c0 x27:
0000000000000000
[ 1627.586903] ESR = 0x96000021
[ 1627.593843] x26: 0000000000000000 x25: 0000000000000000 x24:
ffff00080d3dc020
[ 1627.593853] x23: ffff800032ddbb40 x22: 00000000000003ff x21:
ffff800032ddbaa8
[ 1627.593862] x20: 00000000000003ff
[ 1627.596652] EC = 0x25: DABT (current EL), IL = 32 bits
[ 1627.604547] x19: 00000000000003ff x18: 0000000000000000
[ 1627.604555] x17: 0000000000000000 x16: 0000000000000000 x15:
0000000000000000
[ 1627.604562] x14: 0000000000000000 x13: 0000000000000000 x12:
0000000000000000
[ 1627.604570] x11: 0000000000000000 x10: 0000000000000000
[ 1627.607354] SET = 0, FnV = 0
[ 1627.610396] x9 : 0000000000000000
[ 1627.610401] x8 : 0000000000000000 x7 : 0000000000000000 x6 :
0000000000000000
[ 1627.610409] x5 : ffff000829c803ff x4 : ffff800033b503ff x3 :
ffff000829c80380
[ 1627.610417] x2 : ffffffffffffffef x1 : ffff800033b503c0 x0 :
ffff000829c80000
[ 1627.615729] EA = 0, S1PTW = 0
[ 1627.618767] Call trace:
[ 1627.618770] __memcpy+0x168/0x240
[ 1627.618778] acpi_data_show+0x5c/0x90
[ 1627.621922] FSC = 0x21: alignment fault
[ 1627.625911] sysfs_kf_bin_read+0x78/0xa0
[ 1627.625921] kernfs_file_read_iter+0x9c/0x1a4
[ 1627.625927] kernfs_fop_read_iter+0x34/0x50
[ 1627.625934] new_sync_read+0xf0/0x184
[ 1627.628809] Data abort info:
[ 1627.632625] vfs_read+0x158/0x1f0
[ 1627.632635] ksys_read+0x74/0x100
[ 1627.632642] __arm64_sys_read+0x28/0x34
[ 1627.635601] ISV = 0, ISS = 0x00000021
[ 1627.642289] invoke_syscall+0x78/0x100
[ 1627.642300] el0_svc_common.constprop.0+0x54/0x184
[ 1627.642308] do_el0_svc+0x34/0x9c
[ 1627.642313] el0_svc+0x48/0x1b0
[ 1627.654823] CM = 0, WnR = 0
[ 1627.658465] el0t_64_sync_handler+0xa4/0x130
[ 1627.658473] el0t_64_sync+0x1a4/0x1a8
[ 1627.658483] Code: a984346c a9c4342c f1010042 54fffee8 (a97c3c8e)
[ 1627.658488] ---[ end trace 0000000000000000 ]---
[ 1627.663275] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000f4aba000
[ 1627.846745] [ffff800033b503bf] pgd=100000bffcfff003, p4d=100000bffcfff003,
pud=100000bffcffe003, pmd=10000008948f5003, pte=0068000080213f0f
[ 1627.847725] Internal error: Oops: 96000021 [#2] SMP
[ 1627.864132] Modules linked in: efi_pstore nls_iso8859_1 joydev input_leds
acpi_ipmi ipmi_ssif thunderx2_pmu cppc_cpufreq sch_fq_codel dm_multipath
scsi_dh_rdac scsi_dh_emc scsi_dh_alua ipmi_devintf ipmi_msghandler ip_tables
x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon
raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid uas hid
usb_storage ast drm_vram_helper drm_ttm_helper i2c_smbus ttm i2c_algo_bit
drm_kms_helper syscopyarea crct10dif_ce sysfillrect ghash_ce sysimgblt sha2_ce
fb_sys_fops cec sha256_arm64 rc_core sha1_ce qede mpt3sas qed raid_class drm
scsi_transport_sas xhci_pci ahci xhci_pci_renesas gpio_xlp i2c_xlp9xx
aes_neon_bs aes_neon_blk aes_ce_blk aes_ce_cipher
[ 1627.933049] CPU: 70 PID: 4189 Comm: read_all Tainted: G D
5.17.0-8-generic #8~22.04.2-Ubuntu
[ 1627.942777] Hardware name: To be filled by O.E.M. Saber/Saber, BIOS
0ACKL030 06/04/2020
[ 1627.950766] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 1627.957715] pc : __memcpy+0x168/0x240
[ 1627.961367] lr : memory_read_from_buffer+0x58/0x80
[ 1627.966147] sp : ffff800032a5bab0
[ 1627.969448] x29: ffff800032a5bab0 x28: ffff00082ea74100 x27:
0000000000000000
[ 1627.976573] x26: 0000000000000000 x25: 0000000000000000 x24:
ffff00080d3a0f20
[ 1627.983696] x23: ffff800032a5bbb0 x22: 00000000000003ff x21:
ffff800032a5bb18
[ 1627.990820] x20: 00000000000003ff x19: 00000000000003ff x18:
0000000000000000
[ 1627.997944] x17: 0000000000000000 x16: 0000000000000000 x15:
0000000000000000
[ 1628.005067] x14: 0000000000000000 x13: 0000000000000000 x12:
0000000000000000
[ 1628.012190] x11: 0000000000000000 x10: 0000000000000000 x9 :
0000000000000000
[ 1628.019313] x8 : 0000000000000000 x7 : 0000000000000000 x6 :
0000000000000000
[ 1628.026436] x5 : ffff000829c497ff x4 : ffff800033b503ff x3 :
ffff000829c49780
[ 1628.033559] x2 : ffffffffffffffef x1 : ffff800033b503c0 x0 :
ffff000829c49400
[ 1628.040683] Call trace:
[ 1628.043115] __memcpy+0x168/0x240
[ 1628.046418] acpi_data_show+0x5c/0x90
[ 1628.050070] sysfs_kf_bin_read+0x78/0xa0
[ 1628.053982] kernfs_file_read_iter+0x9c/0x1a4
[ 1628.058326] kernfs_fop_read_iter+0x34/0x50
[ 1628.062497] new_sync_read+0xf0/0x184
[ 1628.066148] vfs_read+0x158/0x1f0
[ 1628.069451] ksys_read+0x74/0x100
[ 1628.072754] __arm64_sys_read+0x28/0x34
[ 1628.076578] invoke_syscall+0x78/0x100
[ 1628.080316] el0_svc_common.constprop.0+0x54/0x184
[ 1628.085096] do_el0_svc+0x34/0x9c
[ 1628.088397] el0_svc+0x48/0x1b0
[ 1628.091526] el0t_64_sync_handler+0xa4/0x130
[ 1628.095783] el0t_64_sync+0x1a4/0x1a8
[ 1628.099435] Code: a984346c a9c4342c f1010042 54fffee8 (a97c3c8e)
[ 1628.105514] ---[ end trace 0000000000000000 ]---
[ 1628.114726] pstore: crypto_comp_compress failed, ret = -22!
[ 1628.147258] Internal error: Oops: 96000021 [#3] SMP
[ 1628.152129] Modules linked in: efi_pstore nls_iso8859_1 joydev input_leds
acpi_ipmi ipmi_ssif thunderx2_pmu cppc_cpufreq sch_fq_codel dm_multipath
scsi_dh_rdac scsi_dh_emc scsi_dh_alua ipmi_devintf ipmi_msghandler ip_tables
x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon
raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid uas hid
usb_storage ast drm_vram_helper drm_ttm_helper i2c_smbus ttm i2c_algo_bit
drm_kms_helper syscopyarea crct10dif_ce sysfillrect ghash_ce sysimgblt sha2_ce
fb_sys_fops cec sha256_arm64 rc_core sha1_ce qede mpt3sas qed raid_class drm
scsi_transport_sas xhci_pci ahci xhci_pci_renesas gpio_xlp i2c_xlp9xx
aes_neon_bs aes_neon_blk aes_ce_blk aes_ce_cipher
[ 1628.221137] CPU: 36 PID: 4191 Comm: read_all Tainted: G D
5.17.0-8-generic #8~22.04.2-Ubuntu
[ 1628.230871] Hardware name: To be filled by O.E.M. Saber/Saber, BIOS
0ACKL030 06/04/2020
[ 1628.238863] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 1628.245818] pc : __memcpy+0x168/0x240
[ 1628.249474] lr : memory_read_from_buffer+0x58/0x80
[ 1628.254260] sp : ffff800033efba70
[ 1628.257563] x29: ffff800033efba70 x28: ffff00083e53a080 x27:
0000000000000000
[ 1628.264696] x26: 0000000000000000 x25: 0000000000000000 x24:
ffff00080cbaab20
[ 1628.271826] x23: ffff800033efbb70 x22: 00000000000003ff x21:
ffff800033efbad8
[ 1628.278956] x20: 00000000000003ff x19: 00000000000003ff x18:
0000000000000000
[ 1628.286085] x17: 0000000000000000 x16: 0000000000000000 x15:
0000000000000000
[ 1628.293214] x14: 0000000000000000 x13: 0000000000000000 x12:
0000000000000000
[ 1628.300343] x11: 0000000000000000 x10: 0000000000000000 x9 :
0000000000000000
[ 1628.307472] x8 : 0000000000000000 x7 : 0000000000000000 x6 :
0000000000000000
[ 1628.314602] x5 : ffff0008295163ff x4 : ffff800033b503ff x3 :
ffff000829516380
[ 1628.321731] x2 : ffffffffffffffef x1 : ffff800033b503c0 x0 :
ffff000829516000
[ 1628.328860] Call trace:
[ 1628.331296] __memcpy+0x168/0x240
[ 1628.334603] acpi_data_show+0x5c/0x90
[ 1628.338260] sysfs_kf_bin_read+0x78/0xa0
[ 1628.342176] kernfs_file_read_iter+0x9c/0x1a4
[ 1628.346525] kernfs_fop_read_iter+0x34/0x50
[ 1628.350700] new_sync_read+0xf0/0x184
[ 1628.354356] vfs_read+0x158/0x1f0
[ 1628.357664] ksys_read+0x74/0x100
[ 1628.360971] __arm64_sys_read+0x28/0x34
[ 1628.364800] invoke_syscall+0x78/0x100
[ 1628.368543] el0_svc_common.constprop.0+0x54/0x184
[ 1628.373328] do_el0_svc+0x34/0x9c
[ 1628.376632] el0_svc+0x48/0x1b0
[ 1628.379765] el0t_64_sync_handler+0xa4/0x130
[ 1628.384026] el0t_64_sync+0x1a4/0x1a8
[ 1628.387682] Code: a984346c a9c4342c f1010042 54fffee8 (a97c3c8e)
[ 1628.393766] ---[ end trace 0000000000000000 ]---
This issue will cause the following 22 tests failed, because of "TBROK:
Kernel is already tainted"
* ubuntu_ltp.sched:cfs_bandwidth01
* ubuntu_ltp.pty:pty05
* ubuntu_ltp.pty:pty06
* ubuntu_ltp.pty:pty07
* ubuntu_ltp.cve:cve-2016-8655
* ubuntu_ltp.cve:cve-2017-2636
* ubuntu_ltp.cve:cve-2017-10661
* ubuntu_ltp.cve:cve-2017-17712
* ubuntu_ltp.cve:cve-2017-1000112
* ubuntu_ltp.cve:cve-2017-1000380
* ubuntu_ltp.cve:cve-2018-7566
* ubuntu_ltp.cve:cve-2018-9568
* ubuntu_ltp.cve:cve-2018-18445
* ubuntu_ltp.cve:cve-2018-18559
* ubuntu_ltp.cve:cve-2019-8912
* ubuntu_ltp.cve:cve-2020-14386
* ubuntu_ltp.cve:cve-2021-3444
* ubuntu_ltp.cve:cve-2021-3609
* ubuntu_ltp.cve:cve-2021-22555
* ubuntu_ltp.cve:cve-2021-26708
* ubuntu_ltp.cve:cve-2021-22600
* ubuntu_ltp.crypto:af_alg07
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