Hello,
kernel test robot noticed "kernel_BUG_at_lib/list_debug.c" on:
commit: c8b7f59b7abb8ef22fba5438b4cb2cd4c28fad0e ("[CI] pmu changes")
url: https://github.com/intel-lab-lkp/linux/commits/Lucas-De-Marchi/pmu-changes/20241023-225141
base: https://git.kernel.org/cgit/linux/kernel/git/perf/perf-tools-next.git perf-tools-next
patch link: https://lore.kernel.org/all/20241023144759.3140161-1-lucas.demarchi@xxxxxxxxx/
patch subject: [CI] pmu changes
in testcase: trinity
version: trinity-x86_64-ba2360ed-1_20240923
with following parameters:
runtime: 300s
group: group-03
nr_groups: 5
config: x86_64-randconfig-005-20241024
compiler: gcc-12
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202410281436.8246527d-lkp@xxxxxxxxx
[ 398.827949][ T3983] ------------[ cut here ]------------
[ 398.828239][ T3983] kernel BUG at lib/list_debug.c:52!
[ 398.828549][ T3983] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[ 398.829680][ T3983] CPU: 1 UID: 65534 PID: 3983 Comm: trinity-c2 Not tainted 6.12.0-rc3-00121-gc8b7f59b7abb #1
[ 398.830194][ T3983] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 398.830712][ T3983] RIP: 0010:__list_del_entry_valid_or_report (lib/list_debug.c:52 (discriminator 3))
[ 398.831079][ T3983] Code: 0f 85 ae 00 00 00 48 8b 42 08 48 39 f0 75 5f b8 01 00 00 00 48 83 c4 18 c3 cc cc cc cc 48 c7 c7 e0 bf 39 88 e8 57 60 7a fe 90 <0f> 0b 48 c7 c7 40 c0 39 88 e8 48 60 7a fe 90 0f 0b 48 c7 c7 a0 c0
All code
========
0: 0f 85 ae 00 00 00 jne 0xb4
6: 48 8b 42 08 mov 0x8(%rdx),%rax
a: 48 39 f0 cmp %rsi,%rax
d: 75 5f jne 0x6e
f: b8 01 00 00 00 mov $0x1,%eax
14: 48 83 c4 18 add $0x18,%rsp
18: c3 ret
19: cc int3
1a: cc int3
1b: cc int3
1c: cc int3
1d: 48 c7 c7 e0 bf 39 88 mov $0xffffffff8839bfe0,%rdi
24: e8 57 60 7a fe call 0xfffffffffe7a6080
29: 90 nop
2a:* 0f 0b ud2 <-- trapping instruction
2c: 48 c7 c7 40 c0 39 88 mov $0xffffffff8839c040,%rdi
33: e8 48 60 7a fe call 0xfffffffffe7a6080
38: 90 nop
39: 0f 0b ud2
3b: 48 rex.W
3c: c7 .byte 0xc7
3d: c7 (bad)
3e: a0 .byte 0xa0
3f: c0 .byte 0xc0
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 48 c7 c7 40 c0 39 88 mov $0xffffffff8839c040,%rdi
9: e8 48 60 7a fe call 0xfffffffffe7a6056
e: 90 nop
f: 0f 0b ud2
11: 48 rex.W
12: c7 .byte 0xc7
13: c7 (bad)
14: a0 .byte 0xa0
15: c0 .byte 0xc0
[ 398.832041][ T3983] RSP: 0018:ffffc90001ba7cc8 EFLAGS: 00010246
[ 398.832350][ T3983] RAX: 0000000000000033 RBX: ffff8881937bd940 RCX: ffffffff82b5feae
[ 398.832749][ T3983] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8883ae33b620
[ 398.833159][ T3983] RBP: ffffffff8a2e6e10 R08: 0000000000000001 R09: fffff52000374f56
[ 398.833557][ T3983] R10: ffffc90001ba7ab7 R11: 0000000000000001 R12: ffffffff8a2e6e00
[ 398.833953][ T3983] R13: ffff8881937bdf08 R14: ffff8881937bdf10 R15: ffff8881937bdc30
[ 398.834351][ T3983] FS: 00007fe01c90d740(0000) GS:ffff8883ae300000(0000) knlGS:0000000000000000
[ 398.834797][ T3983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 398.835130][ T3983] CR2: 0000000000000000 CR3: 000000011a420000 CR4: 00000000000406b0
[ 398.835529][ T3983] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 398.835925][ T3983] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 398.836322][ T3983] Call Trace:
[ 398.836493][ T3983] <TASK>
[ 398.836646][ T3983] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447)
[ 398.836850][ T3983] ? do_trap (arch/x86/kernel/traps.c:156 arch/x86/kernel/traps.c:197)
[ 398.837070][ T3983] ? __list_del_entry_valid_or_report (lib/list_debug.c:52 (discriminator 3))
[ 398.837391][ T3983] ? __list_del_entry_valid_or_report (lib/list_debug.c:52 (discriminator 3))
[ 398.837709][ T3983] ? do_error_trap (arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:218)
[ 398.837947][ T3983] ? __list_del_entry_valid_or_report (lib/list_debug.c:52 (discriminator 3))
[ 398.838268][ T3983] ? handle_invalid_op (arch/x86/kernel/traps.c:256)
[ 398.838519][ T3983] ? __list_del_entry_valid_or_report (lib/list_debug.c:52 (discriminator 3))
[ 398.838839][ T3983] ? exc_invalid_op (arch/x86/kernel/traps.c:315)
[ 398.839089][ T3983] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
[ 398.839348][ T3983] ? llist_add_batch (lib/llist.c:33 (discriminator 14))
[ 398.839597][ T3983] ? __list_del_entry_valid_or_report (lib/list_debug.c:52 (discriminator 3))
[ 398.839918][ T3983] ? __list_del_entry_valid_or_report (lib/list_debug.c:52 (discriminator 3))
[ 398.840238][ T3983] __free_event (include/linux/list.h:215 (discriminator 5) include/linux/list.h:229 (discriminator 5) kernel/events/core.c:5395 (discriminator 5))
[ 398.840474][ T3983] perf_event_alloc (kernel/events/core.c:5403 kernel/events/core.c:12375)
[ 398.840728][ T3983] __do_sys_perf_event_open (kernel/events/core.c:12980)
[ 398.841036][ T3983] ? __pfx___do_sys_perf_event_open (kernel/events/core.c:12868)
[ 398.841347][ T3983] ? rseq_get_rseq_cs (kernel/rseq.c:201)
[ 398.841603][ T3983] ? __task_pid_nr_ns (include/linux/rcupdate.h:347 include/linux/rcupdate.h:880 kernel/pid.c:514)
[ 398.841861][ T3983] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 398.842094][ T3983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 398.842393][ T3983] RIP: 0033:0x7fe01ca11719
[ 398.842622][ T3983] Code: 08 89 e8 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 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 b7 06 0d 00 f7 d8 64 89 01 48
All code
========
0: 08 89 e8 5b 5d c3 or %cl,-0x3ca2a418(%rcx)
6: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
d: 00 00 00
10: 90 nop
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 ret
33: 48 8b 0d b7 06 0d 00 mov 0xd06b7(%rip),%rcx # 0xd06f1
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 ret
9: 48 8b 0d b7 06 0d 00 mov 0xd06b7(%rip),%rcx # 0xd06c7
10: f7 d8 neg %eax
12: 64 89 01 mov %eax,%fs:(%rcx)
15: 48 rex.W
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20241028/202410281436.8246527d-lkp@xxxxxxxxx
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
