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Date: Mon, 17 Jan 2022 15:18:34 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Ravi Bangoria <ravi.bangoria@....com>
Cc: 0day robot <lkp@...el.com>, Ravi Bangoria <ravi.bangoria@....com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
peterz@...radead.org, acme@...nel.org,
alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
namhyung@...nel.org, songliubraving@...com, eranian@...gle.com,
alexey.budankov@...ux.intel.com, ak@...ux.intel.com,
mark.rutland@....com, megha.dey@...el.com, frederic@...nel.org,
maddy@...ux.ibm.com, irogers@...gle.com, kim.phillips@....com,
santosh.shukla@....com
Subject: [perf] f7cf7134e4:
WARNING:at_kernel/events/core.c:#__pmu_ctx_sched_out
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: f7cf7134e405062bf0f22c3ba5637241c4c4d06a ("[RFC v2] perf: Rewrite core context handling")
url: https://github.com/0day-ci/linux/commits/Ravi-Bangoria/perf-Rewrite-core-context-handling/20220113-215022
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git a9f4a6e92b3b319296fb078da2615f618f6cd80c
patch link: https://lore.kernel.org/lkml/20220113134743.1292-1-ravi.bangoria@amd.com
in testcase: trinity
version: trinity-x86_64-608712d8-1_20220112
with following parameters:
runtime: 300s
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):
+------------------------------------------------------+------------+------------+
| | a9f4a6e92b | f7cf7134e4 |
+------------------------------------------------------+------------+------------+
| WARNING:at_kernel/events/core.c:#__pmu_ctx_sched_out | 0 | 12 |
| RIP:__pmu_ctx_sched_out | 0 | 12 |
+------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
[ 61.980728][ T8152] WARNING: CPU: 0 PID: 8152 at kernel/events/core.c:3234 __pmu_ctx_sched_out (kernel/events/core.c:3234 (discriminator 1))
[ 61.983310][ T8152] Modules linked in: can_bcm can_raw can cn scsi_transport_iscsi ipmi_msghandler sr_mod cdrom sg ata_generic
[ 61.986280][ T8152] CPU: 0 PID: 8152 Comm: trinity-c7 Not tainted 5.16.0-rc1-00018-gf7cf7134e405 #1
[ 61.988767][ T8152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 61.991025][ T8152] RIP: 0010:__pmu_ctx_sched_out (kernel/events/core.c:3234 (discriminator 1))
[ 61.992479][ T8152] Code: 89 fb 4c 8b 2f 49 83 bc 24 88 00 00 00 00 74 24 41 83 7c 24 70 00 75 1c 49 8b 45 48 65 48 03 05 79 a0 e9 7e 48 39 78 60 74 02 <0f> 0b 48 c7 40 60 00 00 00 00 4c 89 ef e8 50 fd ff ff 41 f6 c6 02
All code
========
0: 89 fb mov %edi,%ebx
2: 4c 8b 2f mov (%rdi),%r13
5: 49 83 bc 24 88 00 00 cmpq $0x0,0x88(%r12)
c: 00 00
e: 74 24 je 0x34
10: 41 83 7c 24 70 00 cmpl $0x0,0x70(%r12)
16: 75 1c jne 0x34
18: 49 8b 45 48 mov 0x48(%r13),%rax
1c: 65 48 03 05 79 a0 e9 add %gs:0x7ee9a079(%rip),%rax # 0x7ee9a09d
23: 7e
24: 48 39 78 60 cmp %rdi,0x60(%rax)
28: 74 02 je 0x2c
2a:* 0f 0b ud2 <-- trapping instruction
2c: 48 c7 40 60 00 00 00 movq $0x0,0x60(%rax)
33: 00
34: 4c 89 ef mov %r13,%rdi
37: e8 50 fd ff ff callq 0xfffffffffffffd8c
3c: 41 f6 c6 02 test $0x2,%r14b
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 48 c7 40 60 00 00 00 movq $0x0,0x60(%rax)
9: 00
a: 4c 89 ef mov %r13,%rdi
d: e8 50 fd ff ff callq 0xfffffffffffffd62
12: 41 f6 c6 02 test $0x2,%r14b
[ 61.997335][ T8152] RSP: 0018:ffffc9000218fc78 EFLAGS: 00010007
[ 61.998976][ T8152] RAX: ffff88842fc2f658 RBX: ffff88812b633000 RCX: 0000000000000001
[ 62.000996][ T8152] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88812b633000
[ 62.003040][ T8152] RBP: ffff88812b633000 R08: ffff888175700b38 R09: ffff88816c54dc50
[ 62.005690][ T8152] R10: ffff8881767fdf00 R11: ffff88810cc004c0 R12: ffff888175700b00
[ 62.007781][ T8152] R13: ffffffff829f5580 R14: 0000000000000003 R15: ffff88812b37c600
[ 62.009979][ T8152] FS: 00007f72f7208740(0000) GS:ffff88842fc00000(0000) knlGS:0000000000000000
[ 62.012266][ T8152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 62.014072][ T8152] CR2: 00007f72f6ec5efc CR3: 00000001755b6000 CR4: 00000000000006f0
[ 62.016206][ T8152] Call Trace:
[ 62.017163][ T8152] <TASK>
[ 62.018032][ T8152] ctx_sched_out (kernel/events/core.c:3314 (discriminator 3))
[ 62.019167][ T8152] ctx_resched (kernel/events/core.c:2734)
[ 62.020303][ T8152] __perf_install_in_context (kernel/events/core.c:2809)
[ 62.021707][ T8152] ? sw_perf_event_destroy (kernel/events/core.c:72)
[ 62.023104][ T8152] remote_function (kernel/events/core.c:91 kernel/events/core.c:71)
[ 62.024448][ T8152] generic_exec_single (arch/x86/include/asm/irqflags.h:127 kernel/smp.c:520 kernel/smp.c:504)
[ 62.025714][ T8152] ? __alloc_file (fs/file_table.c:117)
[ 62.027233][ T8152] smp_call_function_single (kernel/smp.c:757)
[ 62.028756][ T8152] ? sw_perf_event_destroy (kernel/events/core.c:72)
[ 62.030203][ T8152] ? alloc_file (fs/file_table.c:200)
[ 62.031351][ T8152] task_function_call (kernel/events/core.c:121)
[ 62.032654][ T8152] ? ctx_resched (kernel/events/core.c:2762)
[ 62.033860][ T8152] perf_install_in_context (kernel/events/core.c:2910)
[ 62.035324][ T8152] __do_sys_perf_event_open (kernel/events/core.c:12491)
[ 62.036830][ T8152] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 62.038078][ T8152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:113)
[ 62.039568][ T8152] RIP: 0033:0x7f72f731ff59
[ 62.040675][ T8152] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 07 6f 0c 00 f7 d8 64 89 01 48
All code
========
0: 00 c3 add %al,%bl
2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
9: 00 00 00
c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
11: 48 89 f8 mov %rdi,%rax
14: 48 89 f7 mov %rsi,%rdi
17: 48 89 d6 mov %rdx,%rsi
1a: 48 89 ca mov %rcx,%rdx
1d: 4d 89 c2 mov %r8,%r10
20: 4d 89 c8 mov %r9,%r8
23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9
28: 0f 05 syscall
2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction
30: 73 01 jae 0x33
32: c3 retq
33: 48 8b 0d 07 6f 0c 00 mov 0xc6f07(%rip),%rcx # 0xc6f41
3a: f7 d8 neg %eax
3c: 64 89 01 mov %eax,%fs:(%rcx)
3f: 48 rex.W
Code starting with the faulting instruction
===========================================
0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
6: 73 01 jae 0x9
8: c3 retq
9: 48 8b 0d 07 6f 0c 00 mov 0xc6f07(%rip),%rcx # 0xc6f17
10: f7 d8 neg %eax
12: 64 89 01 mov %eax,%fs:(%rcx)
15: 48 rex.W
[ 62.045496][ T8152] RSP: 002b:00007ffddf82c708 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[ 62.047784][ T8152] RAX: ffffffffffffffda RBX: 000000000000012a RCX: 00007f72f731ff59
[ 62.049967][ T8152] RDX: ffffffffffffffff RSI: 0000000000001fd8 RDI: 000055dad0ac6c00
[ 62.051954][ T8152] RBP: 000000000000012a R08: 0000000000000000 R09: 0000000037ecd53b
[ 62.053953][ T8152] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000002
[ 62.055966][ T8152] R13: 00007f72f5c7b058 R14: 00007f72f72086c0 R15: 00007f72f5c7b000
[ 62.057961][ T8152] </TASK>
[ 62.058735][ T8152] ---[ end trace d948954eb385fb99 ]---
[ 64.410009][ T2470] result_service: raw_upload, RESULT_MNT: /internal-lkp-server/result, RESULT_ROOT: /internal-lkp-server/result/trinity/group-03-300s/vm-snb/debian-10.4-x86_64-20200603.cgz/x86_64-kexec/gcc-9/f7cf7134e405062bf0f22c3ba5637241c4c4d06a/3, TMP_RESULT_ROOT: /tmp/lkp/result
[ 64.410031][ T2470]
[ 64.429418][ T2470] run-job /lkp/jobs/scheduled/vm-snb-123/trinity-group-03-300s-debian-10.4-x86_64-20200603.cgz-f7cf7134e405062bf0f22c3ba5637241c4c4d06a-20220115-27780-1ajh2ux-5.yaml
[ 64.429432][ T2470]
[ 66.886071][ T2470] /usr/bin/wget -q --timeout=1800 --tries=1 --local-encoding=UTF-8 http://internal-lkp-server:80/~lkp/cgi-bin/lkp-jobfile-append-var?job_file=/lkp/jobs/scheduled/vm-snb-123/trinity-group-03-300s-debian-10.4-x86_64-20200603.cgz-f7cf7134e405062bf0f22c3ba5637241c4c4d06a-20220115-27780-1ajh2ux-5.yaml&job_state=running -O /dev/null
[ 66.886087][ T2470]
[ 66.900236][ T2470] target ucode:
[ 66.900245][ T2470]
[ 66.907783][ T2470] Seeding trinity by 3185738815 based on vm-snb/debian-10.4-x86_64-20200603.cgz/x86_64-kexec
[ 66.907811][ T2470]
[ 75.752629][ T2470] 2022-01-15 08:08:38 chroot --userspec nobody:nogroup / trinity -q -q -l off -s 3185738815 -N 999999999 -c add_key -c bpf -c clock_adjtime -c clone3 -c copy_file_range -c creat -c epoll_create1 -c fadvise64_64 -c fchdir -c fdatasync -c geteuid16 -c getgroups -c gettimeofday -c inotify_init -c io_uring_register -c io_uring_setup -c ioctl -c kcmp -c keyctl -c lsetxattr -c lstat -c mkdirat -c mknod -c mknodat -c mmap2 -c mq_getsetattr -c munlockall -c olduname -c openat -c perf_event_open -c personality -c pidfd_open -c poll -c prctl -c preadv -c process_madvise -c process_mrelease -c ptrace -c quotactl -c readlinkat -c rt_sigtimedwait -c sched_getattr -c sched_rr_get_interval -c setgid -c setgroups -c setrlimit -c setsid -c signalfd4 -c statfs -c stime -c syncfs -c timer_create -c timer_delete -c timer_gettime -c timerfd_create -c uname -c utimensat -c vm86old -c vmsplice
[ 75.752696][ T2470]
[ 80.049523][ T2470] Trinity 2021.10 Dave Jones <davej@...emonkey.org.uk>
[ 80.049600][ T2470]
[ 80.056064][ T2470] shm:0x7f72f73f9000-0x7f7303ff5d00 (4 pages)
[ 80.056078][ T2470]
[ 81.317675][ T2470] [main] Marking syscall add_key (64bit:248 32bit:286) as to be enabled.
[ 81.317695][ T2470]
[ 81.326020][ T2470] [main] Marking syscall bpf (64bit:321 32bit:357) as to be enabled.
[ 81.326033][ T2470]
[ 81.762673][ T2470] [main] Marking syscall clock_adjtime (64bit:305 32bit:343) as to be enabled.
[ 81.762703][ T2470]
[ 81.769765][ T2470] [main] clone3 is marked as AVOID. Skipping
[ 81.769779][ T2470]
[ 81.775664][ T2470] [main] clone3 is marked as AVOID. Skipping
[ 81.775679][ T2470]
[ 81.783066][ T2470] [main] Marking syscall clone3 (64bit:435 32bit:428) as to be enabled.
[ 81.783089][ T2470]
[ 81.932838][ T2470] [main] Marking syscall copy_file_range (64bit:326 32bit:377) as to be enabled.
[ 81.932853][ T2470]
[ 81.941437][ T2470] [main] Marking syscall creat (64bit:85 32bit:8) as to be enabled.
[ 81.941458][ T2470]
[ 81.950070][ T2470] [main] Marking syscall epoll_create1 (64bit:291 32bit:329) as to be enabled.
[ 81.950086][ T2470]
[ 81.958583][ T2470] [main] Marking 32-bit syscall fadvise64_64 (272) as to be enabled.
[ 81.958597][ T2470]
[ 81.969906][ T2470] [main] Marking syscall fchdir (64bit:81 32bit:133) as to be enabled.
[ 81.969924][ T2470]
[ 81.978369][ T2470] [main] Marking syscall fdatasync (64bit:75 32bit:148) as to be enabled.
[ 81.978384][ T2470]
[ 81.986696][ T2470] [main] Marking 32-bit syscall geteuid16 (49) as to be enabled.
[ 81.986711][ T2470]
[ 81.995106][ T2470] [main] Marking syscall getgroups (64bit:115 32bit:205) as to be enabled.
[ 81.995123][ T2470]
[ 82.004068][ T2470] [main] Marking syscall gettimeofday (64bit:96 32bit:78) as to be enabled.
[ 82.004084][ T2470]
[ 82.013067][ T2470] [main] Marking syscall inotify_init (64bit:253 32bit:291) as to be enabled.
[ 82.013081][ T2470]
To reproduce:
# build kernel
cd linux
cp config-5.16.0-rc1-00018-gf7cf7134e405 .config
make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
cd <mod-install-dir>
find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> -m modules.cgz 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/lkp@lists.01.org Intel Corporation
Thanks,
Oliver Sang
View attachment "config-5.16.0-rc1-00018-gf7cf7134e405" of type "text/plain" (122287 bytes)
View attachment "job-script" of type "text/plain" (4605 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (17884 bytes)
View attachment "trinity" of type "text/plain" (11138 bytes)
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