Re: Beneficial Investment Proposal
by Luis Fernandez
Good day,
I have an investment proposal that I would like to discuss with
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regarding this awesome Investment Opportunity.
Regards,
Luis Fernandez
10 months, 1 week
[net] 2dcb96bacc: WARNING:possible_recursive_locking_detected
by kernel test robot
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 2dcb96bacce36021c2f3eaae0cef607b5bb71ede ("net: core: Correct the sock::sk_lock.owned lockdep annotations")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: kernel-selftests
version: kernel-selftests-x86_64-c8c9111a-1_20210929
with following parameters:
group: mptcp
ucode: 0xe2
test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
on test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz with 32G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang(a)intel.com>
[ 476.022917][T19213]
[ 476.025095][T19213] ============================================
[ 476.031073][T19213] WARNING: possible recursive locking detected
[ 476.037049][T19213] 5.15.0-rc1-00132-g2dcb96bacce3 #1 Not tainted
[ 476.043115][T19213] --------------------------------------------
[ 476.049090][T19213] pm_nl_ctl/19213 is trying to acquire lock:
[ 476.054893][T19213] ffff888813815b20 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_close+0xbe/0x300
[ 476.063639][T19213]
[ 476.063639][T19213] but task is already holding lock:
[ 476.070825][T19213] ffff88880a636ca0 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_close+0x1c/0x300
[ 476.079569][T19213]
[ 476.079569][T19213] other info that might help us debug this:
[ 476.087444][T19213] Possible unsafe locking scenario:
[ 476.087444][T19213]
[ 476.094730][T19213] CPU0
[ 476.097852][T19213] ----
[ 476.100977][T19213] lock(k-sk_lock-AF_INET);
[ 476.105396][T19213] lock(k-sk_lock-AF_INET);
[ 476.109817][T19213]
[ 476.109817][T19213] *** DEADLOCK ***
[ 476.109817][T19213]
[ 476.117778][T19213] May be due to missing lock nesting notation
[ 476.117778][T19213]
[ 476.125913][T19213] 3 locks held by pm_nl_ctl/19213:
[ 476.130853][T19213] #0: ffffffff83937b50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40
[ 476.138819][T19213] #1: ffffffff83937be8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x11c/0x200
[ 476.147564][T19213] #2: ffff88880a636ca0 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_close+0x1c/0x300
[ 476.156765][T19213]
[ 476.156765][T19213] stack backtrace:
[ 476.162490][T19213] CPU: 0 PID: 19213 Comm: pm_nl_ctl Not tainted 5.15.0-rc1-00132-g2dcb96bacce3 #1
[ 476.171506][T19213] Hardware name: Dell Inc. OptiPlex 7040/0Y7WYT, BIOS 1.8.1 12/05/2017
[ 476.179568][T19213] Call Trace:
[ 476.182695][T19213] dump_stack_lvl+0x45/0x59
[ 476.187031][T19213] validate_chain.cold+0x124/0x155
[ 476.191971][T19213] ? register_lock_class+0x45/0x7c0
[ 476.196999][T19213] __lock_acquire+0x57e/0xb00
[ 476.201510][T19213] lock_acquire+0xca/0x300
[ 476.205769][T19213] ? mptcp_close+0xbe/0x300
[ 476.210118][T19213] ? lock_is_held_type+0xd5/0x140
[ 476.214971][T19213] lock_sock_fast+0x30/0x80
[ 476.219306][T19213] ? mptcp_close+0xbe/0x300
[ 476.223643][T19213] mptcp_close+0xbe/0x300
[ 476.227806][T19213] inet_release+0x3f/0x80
[ 476.231971][T19213] __sock_release+0x88/0xc0
[ 476.236304][T19213] __mptcp_pm_release_addr_entry+0x17/0x40
[ 476.241938][T19213] mptcp_nl_cmd_del_addr+0x351/0x480
[ 476.247052][T19213] ? genl_family_rcv_msg_doit+0xef/0x180
[ 476.253117][T19213] genl_family_rcv_msg_doit+0xef/0x180
[ 476.259010][T19213] genl_rcv_msg+0xe0/0x200
[ 476.263258][T19213] ? mptcp_pm_remove_anno_addr+0xc0/0xc0
[ 476.268735][T19213] ? genl_family_rcv_msg_doit+0x180/0x180
[ 476.274886][T19213] netlink_rcv_skb+0x50/0x100
[ 476.279397][T19213] genl_rcv+0x24/0x40
[ 476.283211][T19213] netlink_unicast+0x191/0x240
[ 476.287807][T19213] netlink_sendmsg+0x243/0x480
[ 476.292403][T19213] sock_sendmsg+0x5e/0x80
[ 476.296566][T19213] __sys_sendto+0xf4/0x180
[ 476.300818][T19213] ? lock_is_held_type+0xd5/0x140
[ 476.305670][T19213] ? syscall_enter_from_user_mode+0x21/0x80
[ 476.311388][T19213] __x64_sys_sendto+0x25/0x40
[ 476.315894][T19213] do_syscall_64+0x5c/0x80
[ 476.320146][T19213] ? up_read+0x17/0x240
[ 476.324132][T19213] ? lock_is_held_type+0xd5/0x140
[ 476.328987][T19213] ? asm_exc_page_fault+0x8/0x30
[ 476.333753][T19213] ? asm_exc_page_fault+0x1e/0x30
[ 476.338619][T19213] ? asm_exc_page_fault+0x8/0x30
[ 476.343388][T19213] ? lockdep_hardirqs_on+0x79/0x100
[ 476.348413][T19213] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 476.354131][T19213] RIP: 0033:0x7f6fec8189b7
[ 476.358381][T19213] Code: 64 89 02 48 c7 c0 ff ff ff ff eb b6 0f 1f 80 00 00 00 00 48 8d 05 49 5d 0c 00 41 89 ca 8b 00 85 c0 75 10 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 71 c3 41 57 4d 89 c7 41 56 41 89 ce 41 55 49
[ 476.377781][T19213] RSP: 002b:00007ffcc2240758 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 476.386005][T19213] RAX: ffffffffffffffda RBX: 00007ffcc22407b0 RCX: 00007f6fec8189b7
[ 476.393805][T19213] RDX: 0000000000000020 RSI: 00007ffcc22407b0 RDI: 0000000000000005
[ 476.401606][T19213] RBP: 0000000000000020 R08: 00007ffcc2240764 R09: 000000000000000c
[ 476.409410][T19213] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 476.417213][T19213] R13: 0000000000000005 R14: 00007ffcc2240764 R15: 0000000000000000
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
Thanks,
Oliver Sang
10 months, 1 week
Reg: PI
by Jason Li(SUZ SLS)(DHL CN)
10 months, 1 week
[drm/edid] bac9c29482: Oops:#[##]
by kernel test robot
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: bac9c29482248b00cccfdfef1f34175714d33370 ("drm/edid: Break out reading block 0 of the EDID")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
in testcase: fio-basic
version: fio-x86_64-3.15-1_20210828
with following parameters:
runtime: 300s
disk: 1HDD
fs: btrfs
nr_task: 100%
test_size: 128G
rw: write
bs: 4k
ioengine: filecreate
cpufreq_governor: performance
ucode: 0x42e
test-description: Fio is a tool that will spawn a number of threads or processes doing a particular type of I/O action as specified by the user.
test-url: https://github.com/axboe/fio
on test machine: 48 threads 2 sockets Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz with 112G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang(a)intel.com>
39mKernel Config[ 14.138938][ T304] ata6: SATA max UDMA/133 abar [email protected] port 0xd0b00380 irq 61
[[ 14.198770][ T635] ipmi_si dmi-ipmi-si.0: IPMI kcs interface initialized
[ 14.332374][ T5] #PF: supervisor read access in kernel mode
[ 14.338904][ T5] #PF: error_code(0x0000) - not-present page
[ 14.345414][ T5] PGD 0 P4D 0
[ 14.349018][ T5] Oops: 0000 [#1] SMP PTI
r to synchronize[ 14.353687][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.15.0-rc1-00114-gbac9c2948224 #1
[ 14.365136][ T5] Hardware name: Intel Corporation S2600WP/S2600WP, BIOS SE5C600.86B.02.02.0002.122320131210 12/23/2013
boot up for ifu[ 14.377368][ T5] Workqueue: events work_for_cpu_fn
[ 14.384541][ T5] RIP: 0010:connector_bad_edid+0x12/0x180 [drm]
[ 14.391370][ T5] Code: 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 0f 1f 44 00 00 41 54 55 89 d5 53 48 89 f3 48 83 ec 20 <0f> b6 56 7e 65 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 c1 e2
[ 14.414456][ T5] RSP: 0018:ffffc90000093b58 EFLAGS: 00010282
[ 14.421077][ T5] RAX: ffff888172c5df01 RBX: ffffffffffffffea RCX: 00000000000003f9
[ 14.429823][ T5] RDX: 0000000000000001 RSI: ffffffffffffffea RDI: ffff8881e02b6668
[ 14.438567][ T5] RBP: 0000000000000001 R08: 00000a77fb35e0ea R09: 0000000000000000
[ 14.447321][ T5] R10: 00000000000000e9 R11: 00000000000191e4 R12: ffffffffc03b5d80
[ 14.456060][ T5] R13: ffff8881e02bf800 R14: 0000000000000000 R15: ffffffffffffffea
Startin[ 14.464807][ T5] FS: 0000000000000000(0000) GS:ffff888f03600000(0000) knlGS:0000000000000000
[ 14.476158][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Journal to Pers[ 14.476160][ T5] CR2: 0000000000000068 CR3: 00000002adcbe002 CR4: 00000000001706f0
[ 14.476167][ T5] ? drm_hdmi_avi_infoframe_bars+0x40/0x40 [drm]
0m...
[ 14.476180][ T5] ? drm_hdmi_avi_infoframe_bars+0x40/0x40 [drm]
[ 14.476190][ T5] drm_do_get_edid+0xf4/0x300 [drm]
[ 14.491802][ T738] ata6: SATA link down (SStatus 0 SControl 300)
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
Thanks,
Oliver Sang
10 months, 1 week
[lib/string] cfecea6ead: kernel_BUG_at_lib/string_helpers.c
by kernel test robot
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: cfecea6ead5f15880fc1fb31fc655f8be5cf7424 ("lib/string: Move helper functions out of string.c")
https://git.kernel.org/cgit/linux/kernel/git/kees/linux.git for-next/overflow
in testcase: kernel-selftests
version: kernel-selftests-x86_64-c8c9111a-1_20210929
with following parameters:
group: lkdtm
ucode: 0xe2
test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
on test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz with 32G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang(a)intel.com>
[ 80.893015][ T3786] lkdtm: Performing direct entry FORTIFIED_STRSCPY
[ 80.893390][ T351]
[ 80.895616][ T3786] detected buffer overflow in strnlen
[ 80.902400][ T351] #
[ 60.145858] lkdtm: Value in memory before free: 12345678
[ 80.909089][ T3786] ------------[ cut here ]------------
[ 80.910897][ T351]
[ 80.912446][ T351] #
[ 60.145859] lkdtm: Attempting bad read from freed memory
[ 80.913271][ T3786] kernel BUG at lib/string_helpers.c:889!
[ 80.921047][ T351]
[ 80.922246][ T351] #
[ 60.145860] lkdtm: FAIL: Memory was not poisoned!
[ 80.928858][ T3786] invalid opcode: 0000 [#26] PREEMPT SMP PTI
[ 80.936639][ T351]
[ 80.940366][ T3786] CPU: 3 PID: 3786 Comm: cat Tainted: G D W 5.15.0-rc2-00014-gcfecea6ead5f #1
[ 80.940368][ T3786] Hardware name: Dell Inc. OptiPlex 7040/0Y7WYT, BIOS 1.8.1 12/05/2017
[ 80.940369][ T3786] RIP: 0010:fortify_panic+0xf/0x11
[ 80.947481][ T351] #
[ 60.145866] lkdtm: This is probably expected, since this kernel (5.15.0-rc2-00014-gcfecea6ead5f x86_64) was built *without* CONFIG_INIT_ON_FREE_DEFAULT_ON=y (and booted without 'init_on_free' specified)
[ 80.959673][ T3786] Code: 00 00 48 c7 c7 40 86 80 83 e8 4e 42 7f ff 4c 8b 0c 24 8b 44 24 08 e9 d7 5a 7b ff 48 89 fe 48 c7 c7 b0 ee a4 82 e8 9a d1 fd ff <0f> 0b 48 8b 54 24 10 48 8b 74 24 08 4c 8d 44 24 25 4c 89 e1 48 c7
[ 80.959675][ T3786] RSP: 0018:ffffc900089bfd30 EFLAGS: 00010246
[ 80.959677][ T3786] RAX: 0000000000000023 RBX: 000000000000004e RCX: 0000000000000000
[ 80.959678][ T3786] RDX: 0000000000000000 RSI: ffffffff81258957 RDI: ffffffff81258957
[ 80.966612][ T351]
[ 80.968798][ T3786] RBP: ffff88880a0155a0 R08: 0000000000000000 R09: 0000000000000000
[ 80.968799][ T3786] R10: 0000000000000731 R11: 6637303030302052 R12: ffffc900089bfd45
[ 80.968800][ T3786] R13: 0000000000000012 R14: ffffc900089bfe28 R15: 00000000000004e0
[ 80.968801][ T3786] FS: 00007fa390793540(0000) GS:ffff8887c7580000(0000) knlGS:0000000000000000
[ 80.968816][ T3786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 80.968817][ T3786] CR2: 00007fa39040a000 CR3: 0000000104870006 CR4: 00000000003706e0
[ 80.972774][ T351] # READ_AFTER_FREE: missing 'call trace:|Memory correctly poisoned': [FAIL]
[ 80.979993][ T3786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 80.979994][ T3786] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 80.979995][ T3786] Call Trace:
[ 80.979997][ T3786] lkdtm_FORTIFIED_STRSCPY.cold+0x42/0x73
[ 80.988832][ T351]
[ 80.995763][ T3786] direct_entry.cold+0x2f/0x4b
[ 80.995766][ T3786] full_proxy_write+0x56/0x80
[ 80.999308][ T351] not ok 22 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1
[ 81.009216][ T3786] vfs_write+0xcc/0x3c0
[ 81.014522][ T351]
[ 81.020410][ T3786] ksys_write+0x68/0x100
[ 81.020412][ T3786] do_syscall_64+0x5c/0x80
[ 81.023571][ T351] # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh
[ 81.024936][ T3786] ? trace_hardirqs_on_prepare+0x24/0x100
[ 81.024939][ T3786] ? do_syscall_64+0x69/0x80
[ 81.032477][ T351]
[ 81.034646][ T3786] ? up_read+0x17/0x240
[ 81.034649][ T3786] ? do_user_addr_fault+0x204/0x6c0
[ 81.054219][ T351] # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure
[ 81.060114][ T3786] ? asm_exc_page_fault+0x8/0x30
[ 81.062308][ T351]
[ 81.071829][ T3786] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 81.071832][ T3786] RIP: 0033:0x7fa3906bb504
[ 81.071847][ T3786] Code: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 48 8d 05 f9 61 0d 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 41 54 49 89 d4 55 48 89 f5 53
[ 81.078445][ T351] ok 23 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP
[ 81.079305][ T3786] RSP: 002b:00007fff0bff1838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 81.079307][ T3786] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa3906bb504
[ 81.079308][ T3786] RDX: 0000000000000012 RSI: 00007fa39040a000 RDI: 0000000000000001
[ 81.081658][ T351]
[ 81.087112][ T3786] RBP: 00007fa39040a000 R08: 00000000ffffffff R09: 0000000000000000
[ 81.087113][ T3786] R10: fffffffffffffb9c R11: 0000000000000246 R12: 00007fa39040a000
[ 81.087114][ T3786] R13: 0000000000000001 R14: 0000000000000012 R15: 0000000000020000
[ 81.087118][ T3786] Modules linked in: btrfs ipmi_devintf
[ 81.097162][ T351] # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh
[ 81.098409][ T3786] ipmi_msghandler blake2b_generic xor zstd_compress intel_rapl_msr raid6_pq
[ 81.115747][ T351]
[ 81.120001][ T3786] libcrc32c intel_rapl_common sd_mod t10_pi sg x86_pkg_temp_thermal intel_powerclamp i915 coretemp mei_wdt crct10dif_pclmul crc32_pclmul
[ 81.123868][ T351] #
[ 60.149314] #
[ 53.953191] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[ 81.128954][ T3786] crc32c_intel wmi_bmof ghash_clmulni_intel rapl intel_cstate intel_gtt mei_me
[ 81.135028][ T351]
[ 81.137201][ T3786] ahci libahci i2c_i801 i2c_smbus ttm mei intel_uncore libata intel_pch_thermal wmi video intel_pmc_core
[ 81.141097][ T351] #
[ 60.242886] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE
[ 81.149007][ T3786] acpi_pad ip_tables
[ 81.149021][ T3786] ---[ end trace bd77837396b7dc2f ]---
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
Thanks,
Oliver Sang
10 months, 1 week
[net] e7f39cd5cd: WARNING:possible_circular_locking_dependency_detected
by kernel test robot
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: e7f39cd5cd3e2facf6c7547afa0975b589ede4a6 ("net: phylink: Hold PHY mutex while calling mac_link_up callback")
https://github.com/lunn/linux.git dsa-ci
in testcase: trinity
version: trinity-static-x86_64-x86_64-1c734c75-1_2020-01-06
with following parameters:
number: 99999
group: group-03
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+--------------------------------------------------------------------------+------------+------------+
| | c1079cc345 | e7f39cd5cd |
+--------------------------------------------------------------------------+------------+------------+
| WARNING:possible_circular_locking_dependency_detected | 0 | 13 |
+--------------------------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang(a)intel.com>
[ 62.877530][ T1] dsa-loop fixed-0:1f lan1: configuring for phy/gmii link mode
[ 62.904824][ T23]
[ 62.906305][ T23] ======================================================
[ 62.910340][ T23] WARNING: possible circular locking dependency detected
[ 62.914277][ T23] 5.15.0-rc3-00678-ge7f39cd5cd3e #1 Tainted: G W
[ 62.928041][ T1] dsa-loop fixed-0:1f lan2: configuring for phy/gmii link mode
[ 62.931262][ T23] ------------------------------------------------------
[ 62.931271][ T23] kworker/1:0/23 is trying to acquire lock:
[ 62.931280][ T23] ffff88813caf2760 (&dev->lock#2){+.+.}-{3:3}, at: phylink_resolve+0x10c/0x440
[ 62.955565][ T23]
[ 62.955565][ T23] but task is already holding lock:
[ 62.959268][ T23] ffff88813c6a4170 (&pl->state_mutex){+.+.}-{3:3}, at: phylink_resolve+0x42/0x440
[ 62.969934][ T13] dsa-loop fixed-0:1f lan2: Link is Up - 100Mbps/Full - flow control off
[ 62.980668][ T23]
[ 62.980668][ T23] which lock already depends on the new lock.
[ 62.980668][ T23]
[ 62.980681][ T23]
[ 62.980681][ T23] the existing dependency chain (in reverse order) is:
[ 62.980686][ T23]
[ 62.980686][ T23] -> #1 (&pl->state_mutex){+.+.}-{3:3}:
[ 62.980756][ T23] __lock_acquire+0x59a/0xab0
[ 62.980788][ T23] lock_acquire+0xba/0x2c0
[ 62.980793][ T23] __mutex_lock+0x8f/0x960
[ 62.980814][ T23] phylink_bringup_phy+0x154/0x2b0
[ 62.980833][ T23] phylink_connect_phy+0x43/0x70
[ 62.980838][ T23] dsa_slave_create+0x445/0x4b0
[ 62.980857][ T23] dsa_tree_setup_switches+0x2c3/0x550
[ 62.980862][ T23] dsa_tree_setup+0x2b7/0x450
[ 62.980867][ T23] dsa_register_switch+0x4ca/0x650
[ 62.980872][ T23] dsa_loop_drv_probe+0xb0/0xe0
[ 62.980891][ T23] mdio_probe+0x2a/0x60
[ 62.980906][ T23] really_probe+0x189/0x3c0
[ 62.980924][ T23] __driver_probe_device+0x7b/0x170
[ 62.980930][ T23] driver_probe_device+0x19/0x70
[ 62.980934][ T23] __device_attach_driver+0x78/0xf0
[ 62.980942][ T23] bus_for_each_drv+0x68/0xa0
[ 62.980951][ T23] __device_attach+0xc4/0x140
[ 62.980956][ T23] bus_probe_device+0x9a/0xb0
[ 62.980962][ T23] deferred_probe_work_func+0x9b/0xf0
[ 62.980967][ T23] process_one_work+0x266/0x5e0
[ 62.980985][ T23] worker_thread+0x1e3/0x3b0
[ 62.980990][ T23] kthread+0x12e/0x150
[ 62.980996][ T23] ret_from_fork+0x22/0x30
[ 62.981007][ T23]
[ 62.981007][ T23] -> #0 (&dev->lock#2){+.+.}-{3:3}:
[ 62.981029][ T23] check_prev_add+0x8f/0x9d0
[ 62.981040][ T23] validate_chain+0x77e/0xf00
[ 62.981045][ T23] __lock_acquire+0x59a/0xab0
[ 62.981055][ T23] lock_acquire+0xba/0x2c0
[ 62.981064][ T23] __mutex_lock+0x8f/0x960
[ 62.981070][ T23] phylink_resolve+0x10c/0x440
[ 62.981080][ T23] process_one_work+0x266/0x5e0
[ 62.981086][ T23] worker_thread+0x4b/0x3b0
[ 62.981091][ T23] kthread+0x12e/0x150
[ 62.981095][ T23] ret_from_fork+0x22/0x30
[ 62.981103][ T23]
[ 62.981103][ T23] other info that might help us debug this:
[ 62.981103][ T23]
[ 62.981108][ T23] Possible unsafe locking scenario:
[ 62.981108][ T23]
[ 62.981109][ T23] CPU0 CPU1
[ 62.981113][ T23] ---- ----
[ 62.981114][ T23] lock(&pl->state_mutex);
[ 62.981123][ T23] lock(&dev->lock#2);
[ 62.981133][ T23] lock(&pl->state_mutex);
[ 62.981141][ T23] lock(&dev->lock#2);
[ 62.981143][ T23]
[ 62.981143][ T23] *** DEADLOCK ***
[ 62.981143][ T23]
[ 62.981146][ T23] 3 locks held by kworker/1:0/23:
[ 62.981152][ T23] #0: ffff88810005ad38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x1d4/0x5e0
[ 62.981171][ T23] #1: ffff888100903e60 ((work_completion)(&pl->resolve)){+.+.}-{0:0}, at: process_one_work+0x1d4/0x5e0
[ 62.981190][ T23] #2: ffff88813c6a4170 (&pl->state_mutex){+.+.}-{3:3}, at: phylink_resolve+0x42/0x440
[ 62.981210][ T23]
[ 62.981210][ T23] stack backtrace:
[ 62.981239][ T23] CPU: 1 PID: 23 Comm: kworker/1:0 Tainted: G W 5.15.0-rc3-00678-ge7f39cd5cd3e #1 bc990cf59eeab9b5af53cff3acd2d695ecc5c3e6
[ 62.981271][ T23] Workqueue: events_power_efficient phylink_resolve
[ 62.981290][ T23] Call Trace:
[ 62.981296][ T23] dump_stack_lvl+0x57/0x7d
[ 62.981324][ T23] check_noncircular+0xe2/0x100
[ 62.981338][ T23] check_prev_add+0x8f/0x9d0
[ 62.981351][ T23] ? unwind_next_frame+0xfb/0x6b0
[ 62.981369][ T23] validate_chain+0x77e/0xf00
[ 62.981379][ T23] __lock_acquire+0x59a/0xab0
[ 62.981389][ T23] lock_acquire+0xba/0x2c0
[ 62.981397][ T23] ? phylink_resolve+0x10c/0x440
[ 62.981411][ T23] __mutex_lock+0x8f/0x960
[ 62.981424][ T23] ? phylink_resolve+0x10c/0x440
[ 62.981433][ T23] ? register_lock_class+0x36/0x440
[ 62.981442][ T23] ? phylink_resolve+0x10c/0x440
[ 62.981452][ T23] ? __lock_acquire+0x59a/0xab0
[ 62.981461][ T23] ? phylink_resolve+0x10c/0x440
[ 62.981467][ T23] ? dsa_port_phylink_validate+0x30/0x30
[ 62.981475][ T23] phylink_resolve+0x10c/0x440
[ 62.981487][ T23] ? process_one_work+0x266/0x5e0
[ 62.981496][ T23] ? phylink_mac_pcs_get_state+0x90/0x90
[ 62.981502][ T23] process_one_work+0x266/0x5e0
[ 62.981508][ T23] worker_thread+0x4b/0x3b0
[ 62.981518][ T23] ? process_one_work+0x5e0/0x5e0
[ 62.981524][ T23] kthread+0x12e/0x150
[ 62.981532][ T23] ? set_kthread_struct+0x40/0x40
[ 62.981537][ T23] ret_from_fork+0x22/0x30
[ 62.981729][ T23] dsa-loop fixed-0:1f lan1: Link is Up - 100Mbps/Full - flow control off
[ 63.005206][ T1] dsa-loop fixed-0:1f lan3: configuring for phy/gmii link mode
[ 63.261733][ T23] dsa-loop fixed-0:1f lan3: Link is Up - 100Mbps/Full - flow control off
[ 63.278070][ T1] dsa-loop fixed-0:1f lan4: configuring for phy/gmii link mode
[ 63.294546][ T13] dsa-loop fixed-0:1f lan4: Link is Up - 100Mbps/Full - flow control off
To reproduce:
# build kernel
cd linux
cp config-5.15.0-rc3-00678-ge7f39cd5cd3e .config
make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
Thanks,
Oliver Sang
10 months, 1 week
[drm/i915/uncore] 5716c8c6f4: RIP:__x86_indirect_thunk_rax
by kernel test robot
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 5716c8c6f4b6a985acaf83a19d89131c113f7aeb ("drm/i915/uncore: split the fw get function into separate vfunc")
git://anongit.freedesktop.org/drm-intel for-linux-next
in testcase: xfstests
version: xfstests-x86_64-76d2a91-1_20210918
with following parameters:
disk: 4HDD
fs: xfs
test: xfs-reflink-12
ucode: 0x28
test-description: xfstests is a regression test suite for xfs and other files ystems.
test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790 v3 @ 3.60GHz with 6G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang(a)intel.com>
[ 8.649161][ T254] ata4: DUMMY
[ 8.652976][ T254] ata5: DUMMY
[ 8.656197][ T254] ata6: DUMMY
[ 8.746347][ C3] kernel stack overflow (double-fault): 0000 [#1] SMP PTI
[ 8.746349][ C3] CPU: 3 PID: 234 Comm: systemd-udevd Not tainted 5.15.0-rc1-00163-g5716c8c6f4b6 #1
[ 8.746351][ C3] Hardware name: Dell Inc. OptiPlex 9020/03CPWF, BIOS A11 04/01/2015
[ 8.746352][ C3] RIP: 0010:__x86_indirect_thunk_rax+0x0/0x20
[ 8.746357][ C3] Code: e9 b0 aa c0 ff 31 c0 e9 f0 ab c0 ff 31 d2 e9 f2 ab c0 ff 31 c0 e9 ed ab c0 ff 31 c0 e9 fe ac c0 ff 31 c0 e9 00 ad c0 ff cc cc <e8> 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 04 24 c3 66 66 2e 0f 1f
[ 8.746358][ C3] RSP: 0018:ffffc900006f8000 EFLAGS: 00010046
[ 8.746361][ C3] RAX: ffffffffc0b588c0 RBX: ffff88818be807d0 RCX: ffff888185ada408
[ 8.746362][ C3] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff88818be807d0
[ 8.746363][ C3] RBP: ffff88818be807d0 R08: 0000000000019e80 R09: 0000000000000000
[ 8.746364][ C3] R10: 0000000000000000 R11: 00000000f7bfffff R12: 000000000000911c
[ 8.746365][ C3] R13: 0000000000000001 R14: ffff88818be807e8 R15: ffff88818be807d0
[ 8.746366][ C3] FS: 00007fe66957dd40(0000) GS:ffff888185ac0000(0000) knlGS:0000000000000000
[ 8.746368][ C3] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.746369][ C3] CR2: ffffc900006f7ff8 CR3: 0000000104220006 CR4: 00000000001706e0
[ 8.746370][ C3] Call Trace:
[ 8.746372][ C3] fw_domains_get_with_thread_status+0x15/0x40 [i915]
[ 8.746455][ C3] fw_domains_get_with_thread_status+0x15/0x40 [i915]
[ 8.746510][ C3] fw_domains_get_with_thread_status+0x15/0x40 [i915]
[ 8.746565][ C3] fw_domains_get_with_thread_status+0x15/0x40 [i915]
[ 8.746620][ C3] fw_domains_get_with_thread_status+0x15/0x40 [i915]
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
Thanks,
Oliver Sang
10 months, 1 week
[irq_work] 399a66c078: kernel_BUG_at_kernel/irq_work.c
by kernel test robot
Greeting,
FYI, we noticed the following commit (built with clang-14):
commit: 399a66c078afd4952e16ff9629833fe37c7987cc ("irq_work: Ensure that irq_work runs in in-IRQ context.")
https://git.kernel.org/cgit/linux/kernel/git/rt/linux-rt-devel.git linux-5.15.y-rt-rebase
in testcase: trinity
version: trinity-i386-4d2343bd-1_20200320
with following parameters:
number: 99999
group: group-01
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+--------------------------------------------------------------------------+------------+------------+
| | 0190508cae | 399a66c078 |
+--------------------------------------------------------------------------+------------+------------+
| kernel_BUG_at_kernel/irq_work.c | 0 | 86 |
| invalid_opcode:#[##] | 0 | 86 |
| EIP:irq_work_run_list | 0 | 86 |
+--------------------------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang(a)intel.com>
[ 47.268553][ T16] ------------[ cut here ]------------
[ 47.268555][ T16] kernel BUG at kernel/irq_work.c:170!
[ 48.271257][ T16] invalid opcode: 0000 [#1] SMP PTI
[ 48.272228][ T16] CPU: 0 PID: 16 Comm: migration/0 Tainted: G W 5.15.0-rc3-00050-g399a66c078af #1
[ 48.272825][ T16] Stopper: multi_cpu_stop+0x0/0x180 <- stop_machine_cpuslocked+0xfe/0x1c0
[ 48.273312][ T16] EIP: irq_work_run_list+0x9a/0xc0
[ 48.273600][ T16] Code: 80 a8 05 00 00 01 00 00 00 8b 4e 08 89 f0 e8 dd e8 09 01 8b 45 f0 c7 80 a8 05 00 00 00 00 00 00 eb a8 83 c4 08 5e 5f 5b 5d c3 <0f> 0b 68
68 53 28 54 e8 da ff 2c 00 90 90 90 90 90 90 90 90 90 90
[ 48.274733][ T16] EAX: 80000001 EBX: 00000000 ECX: f3dce40c EDX: 00000000
[ 48.275137][ T16] ESI: 5235e200 EDI: 00000090 EBP: 40903ec4 ESP: 40903eb0
[ 48.275539][ T16] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010046
[ 48.275970][ T16] CR0: 80050033 CR2: 37df4ef0 CR3: 14586000 CR4: 000406f0
[ 48.276387][ T16] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 48.276790][ T16] DR6: fffe0ff0 DR7: 00000400
[ 48.277054][ T16] Call Trace:
[ 48.277241][ T16] ? lapic_offline+0x26/0x40
[ 48.277502][ T16] ? smpcfd_dead_cpu+0x40/0x40
[ 48.277773][ T16] ? irq_work_run+0x14/0x40
[ 48.278027][ T16] ? smpcfd_dying_cpu+0x14/0x40
[ 48.278302][ T16] ? cpuhp_invoke_callback+0x101/0x2c0
[ 48.278610][ T16] ? _raw_spin_unlock+0x1d/0x40
[ 48.278886][ T16] ? lapic_offline+0x26/0x40
[ 48.279146][ T16] ? clear_local_APIC+0x20f/0x240
[ 48.279431][ T16] ? take_cpu_down+0x6d/0xc0
[ 48.279690][ T16] ? multi_cpu_stop+0xe7/0x180
[ 48.279961][ T16] ? cpu_stopper_thread+0x87/0x180
[ 48.280259][ T16] ? stop_two_cpus+0x380/0x380
[ 48.280529][ T16] ? cpu_stopper_thread+0xb2/0x180
[ 48.280819][ T16] ? smpboot_thread_fn+0x13f/0x1c0
[ 48.281111][ T16] ? kthread+0x176/0x1c0
[ 48.281351][ T16] ? cpu_report_death+0xc0/0xc0
[ 48.281627][ T16] ? kthread_unuse_mm+0xc0/0xc0
[ 48.281902][ T16] ? ret_from_fork+0x1c/0x28
[ 48.282161][ T16] Modules linked in:
[ 48.282383][ T16] ---[ end trace 906b42d30a9bf26a ]---
[ 49.282946][ T16] printk: enabled sync mode
[ 49.283621][ T16] EIP: irq_work_run_list+0x9a/0xc0
[ 49.283915][ T16] Code: 80 a8 05 00 00 01 00 00 00 8b 4e 08 89 f0 e8 dd e8 09 01 8b 45 f0 c7 80 a8 05 00 00 00 00 00 00 eb a8 83 c4 08 5e 5f 5b 5d c3 <0f> 0b 68 68 53 28 54 e8 da ff 2c 00 90 90 90 90 90 90 90 90 90 90
[ 49.285033][ T16] EAX: 80000001 EBX: 00000000 ECX: f3dce40c EDX: 00000000
[ 49.285437][ T16] ESI: 5235e200 EDI: 00000090 EBP: 40903ec4 ESP: 40903eb0
[ 49.285841][ T16] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010046
[ 49.286274][ T16] CR0: 80050033 CR2: 37df4ef0 CR3: 14586000 CR4: 000406f0
[ 49.286683][ T16] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 49.287087][ T16] DR6: fffe0ff0 DR7: 00000400
[ 49.287352][ T16] Kernel panic - not syncing:
[ 49.287618][ T16] Fatal exception
[ 49.287669][ T16] Kernel Offset: disabled
To reproduce:
# build kernel
cd linux
cp config-5.15.0-rc3-00050-g399a66c078af .config
make HOSTCC=clang-14 CC=clang-14 ARCH=i386 olddefconfig prepare modules_prepare bzImage
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
Thanks,
Oliver Sang
10 months, 1 week
[kunit] 3b29021ddd: BUG:kernel_NULL_pointer_dereference,address
by kernel test robot
Greeting,
FYI, we noticed the following commit (built with clang-14):
commit: 3b29021ddd10cfb6b2565c623595bd3b02036f33 ("kunit: tool: allow filtering test cases via glob")
https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git kunit
in testcase: boot
on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+--------------------------------------------------------------------------+------------+------------+
| | 2e53f56af3 | 3b29021ddd |
+--------------------------------------------------------------------------+------------+------------+
| BUG:kernel_NULL_pointer_dereference,address | 0 | 22 |
| Oops:#[##] | 0 | 23 |
| EIP:strcmp | 0 | 20 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 22 |
+--------------------------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang(a)intel.com>
[ 74.983767][ T243] BUG: kernel NULL pointer dereference, address: 00000000
[ 74.984577][ T243] #PF: supervisor read access in kernel mode
[ 74.984946][ T243] #PF: error_code(0x0000) - not-present page
[ 74.985316][ T243] *pde = 00000000
[ 74.985549][ T243] Oops: 0000 [#1]
[ 74.985776][ T243] CPU: 0 PID: 243 Comm: kunit_try_catch Tainted: G W 5.15.0-rc1-00002-g3b29021ddd10 #1
[ 74.986494][ T243] EIP: strcmp+0xe/0x40
[ 74.986753][ T243] Code: 75 f7 31 c0 c4 04 5e 5f c4 04 5e 5f 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 00 55 89 e5 00 55 89 e5 89 c6 ac ae 89 c6 <ac> ae 75
f8 31 c0 75 f8 31 c0 0c 01 5e 5f 0c 01 5e 5f 90 90 90 90
[ 74.987988][ T243] EAX: 00000000 EBX: f53c0108 ECX: 00000001 EDX: c33a266c
[ 74.988425][ T243] ESI: 00000000 EDI: c33a266c EBP: f52d3ee0 ESP: f52d3ed8
[ 74.988864][ T243] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010286
[ 74.989332][ T243] CR0: 80050033 CR2: 00000000 CR3: 03ec2000 CR4: 000406d0
[ 74.989771][ T243] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 74.990219][ T243] DR6: fffe0ff0 DR7: 00000400
[ 74.990505][ T243] Call Trace:
[ 74.990708][ T243] filter_suites_test+0x319/0x340
[ 74.991021][ T243] ? kunit_binary_ptr_assert_format+0xc0/0xc0
[ 74.991394][ T243] ? trace_hardirqs_on+0x4f/0xc0
[ 74.991701][ T243] kunit_try_run_case+0x3c/0xc0
[ 74.992000][ T243] kunit_generic_run_threadfn_adapter+0x16/0x40
[ 74.992383][ T243] kthread+0x14c/0x180
[ 74.992634][ T243] ? kunit_try_catch_run+0x180/0x180
[ 74.992971][ T243] ? kthread_unuse_mm+0xc0/0xc0
[ 74.993269][ T243] ret_from_fork+0x1c/0x28
[ 74.993541][ T243] Modules linked in:
[ 74.993779][ T243] CR2: 0000000000000000
[ 74.994045][ T243] ---[ end trace e46267553c50ccd5 ]---
[ 74.994391][ T243] EIP: strcmp+0xe/0x40
[ 74.994643][ T243] Code: 75 f7 31 c0 c4 04 5e 5f c4 04 5e 5f 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 00 55 89 e5 00 55 89 e5 89 c6 ac ae 89 c6 <ac> ae 75
f8 31 c0 75 f8 31 c0 0c 01 5e 5f 0c 01 5e 5f 90 90 90 90
[ 74.995853][ T243] EAX: 00000000 EBX: f53c0108 ECX: 00000001 EDX: c33a266c
[ 74.996456][ T243] ESI: 00000000 EDI: c33a266c EBP: f52d3ee0 ESP: f52d3ed8
[ 74.997031][ T243] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010286
[ 74.997499][ T243] CR0: 80050033 CR2: 00000000 CR3: 03ec2000 CR4: 000406d0
[ 74.997937][ T243] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 74.998384][ T243] DR6: fffe0ff0 DR7: 00000400
[ 74.998670][ T243] Kernel panic - not syncing: Fatal exception
[ 74.999042][ T243] Kernel Offset: disabled
To reproduce:
# build kernel
cd linux
cp config-5.15.0-rc1-00002-g3b29021ddd10 .config
make HOSTCC=clang-14 CC=clang-14 ARCH=i386 olddefconfig prepare modules_prepare bzImage
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
Thanks,
Oliver Sang
10 months, 1 week
