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Message-ID: <202410251648.683b17b1-lkp@intel.com>
Date: Fri, 25 Oct 2024 16:29:40 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Peter Zijlstra <peterz@...radead.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
<linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<oliver.sang@...el.com>
Subject: [peterz-queue:perf/pmu-unregister] [perf] d4700c3ee4:
WARNING:at_kernel/jump_label.c:#static_key_dec_not_one
Hello,
kernel test robot noticed "WARNING:at_kernel/jump_label.c:#static_key_dec_not_one" on:
commit: d4700c3ee4c19fc8ff8925709b3227ddb9b64b1a ("perf: Simplify perf_event_alloc() error path")
https://git.kernel.org/cgit/linux/kernel/git/peterz/queue.git perf/pmu-unregister
in testcase: trinity
version: trinity-x86_64-ba2360ed-1_20240923
with following parameters:
runtime: 300s
group: group-02
nr_groups: 5
config: x86_64-randconfig-073-20241023
compiler: gcc-11
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+--------------------------------------------------------+------------+------------+
| | 07dec8f2ff | d4700c3ee4 |
+--------------------------------------------------------+------------+------------+
| WARNING:at_kernel/jump_label.c:#static_key_dec_not_one | 0 | 5 |
| RIP:static_key_dec_not_one | 0 | 5 |
+--------------------------------------------------------+------------+------------+
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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202410251648.683b17b1-lkp@intel.com
[ 287.833484][ T3554] ------------[ cut here ]------------
[ 287.834530][ T3554] WARNING: CPU: 0 PID: 3554 at kernel/jump_label.c:282 static_key_dec_not_one (kernel/jump_label.c:282 (discriminator 1))
[ 287.836443][ T3554] Modules linked in: crc32_pclmul ghash_clmulni_intel sha512_ssse3 rapl intel_agp intel_gtt psmouse agpgart tiny_power_button button input_leds fuse configfs dmi_sysfs qemu_fw_cfg aesni_intel
[ 287.839884][ T3554] CPU: 0 UID: 65534 PID: 3554 Comm: trinity-main Not tainted 6.12.0-rc2-00019-gd4700c3ee4c1 #1
[ 287.841724][ T3554] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 287.843605][ T3554] RIP: 0010:static_key_dec_not_one (kernel/jump_label.c:282 (discriminator 1))
[ 287.844669][ T3554] Code: 83 c0 03 38 d0 7c 0c 84 d2 74 08 4c 89 ff e8 1d b5 0e 00 41 8b 07 4d 8d 74 24 e0 41 89 44 24 e0 85 c0 79 04 0f 0b eb 40 75 07 <0f> 0b 41 b0 01 eb 3a 83 f8 01 74 32 44 8d 68 ff be 04 00 00 00 4c
All code
========
0: 83 c0 03 add $0x3,%eax
3: 38 d0 cmp %dl,%al
5: 7c 0c jl 0x13
7: 84 d2 test %dl,%dl
9: 74 08 je 0x13
b: 4c 89 ff mov %r15,%rdi
e: e8 1d b5 0e 00 call 0xeb530
13: 41 8b 07 mov (%r15),%eax
16: 4d 8d 74 24 e0 lea -0x20(%r12),%r14
1b: 41 89 44 24 e0 mov %eax,-0x20(%r12)
20: 85 c0 test %eax,%eax
22: 79 04 jns 0x28
24: 0f 0b ud2
26: eb 40 jmp 0x68
28: 75 07 jne 0x31
2a:* 0f 0b ud2 <-- trapping instruction
2c: 41 b0 01 mov $0x1,%r8b
2f: eb 3a jmp 0x6b
31: 83 f8 01 cmp $0x1,%eax
34: 74 32 je 0x68
36: 44 8d 68 ff lea -0x1(%rax),%r13d
3a: be 04 00 00 00 mov $0x4,%esi
3f: 4c rex.WR
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 41 b0 01 mov $0x1,%r8b
5: eb 3a jmp 0x41
7: 83 f8 01 cmp $0x1,%eax
a: 74 32 je 0x3e
c: 44 8d 68 ff lea -0x1(%rax),%r13d
10: be 04 00 00 00 mov $0x4,%esi
15: 4c rex.WR
[ 287.848166][ T3554] RSP: 0018:ffffc90001c9fbd8 EFLAGS: 00010246
[ 287.849416][ T3554] RAX: 0000000000000000 RBX: 1ffff92000393f7b RCX: fffffbfff0a1eb45
[ 287.850773][ T3554] RDX: fffffbfff0a1eb00 RSI: 0000000000000004 RDI: ffffffff850f5a20
[ 287.852296][ T3554] RBP: ffffc90001c9fc40 R08: fffffbfff0a1eb45 R09: 0000000000000000
[ 287.853673][ T3554] R10: ffffffff8145e5ac R11: ffffffff850f5a23 R12: ffffc90001c9fc18
[ 287.855035][ T3554] R13: dffffc0000000000 R14: ffffc90001c9fbf8 R15: ffffffff850f5a20
[ 287.856516][ T3554] FS: 00007f77a3aed740(0000) GS:ffffffff834fe000(0000) knlGS:0000000000000000
[ 287.858053][ T3554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 287.859312][ T3554] CR2: 00005597f0734028 CR3: 0000000116316000 CR4: 00000000000406f0
[ 287.860753][ T3554] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 287.862184][ T3554] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 287.863597][ T3554] Call Trace:
[ 287.864232][ T3554] <TASK>
[ 287.864777][ T3554] ? show_regs (arch/x86/kernel/dumpstack.c:479)
[ 287.865664][ T3554] ? static_key_dec_not_one (kernel/jump_label.c:282 (discriminator 1))
[ 287.866597][ T3554] ? __warn (kernel/panic.c:748)
[ 287.867328][ T3554] ? static_key_dec_not_one (kernel/jump_label.c:282 (discriminator 1))
[ 287.868300][ T3554] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 287.869181][ T3554] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 287.869961][ T3554] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 287.870811][ T3554] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
[ 287.871907][ T3554] ? static_key_dec_not_one (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 kernel/jump_label.c:268)
[ 287.872864][ T3554] ? static_key_dec_not_one (kernel/jump_label.c:282 (discriminator 1))
[ 287.873795][ T3554] ? static_key_dec_not_one (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 kernel/jump_label.c:268)
[ 287.874700][ T3554] ? static_key_set_mod (kernel/jump_label.c:254)
[ 287.875732][ T3554] __static_key_slow_dec_cpuslocked (kernel/jump_label.c:297)
[ 287.876874][ T3554] static_key_slow_dec (kernel/jump_label.c:337 (discriminator 3))
[ 287.877765][ T3554] sw_perf_event_destroy (kernel/events/core.c:10232 (discriminator 3) kernel/events/core.c:10245 (discriminator 3) kernel/events/core.c:10305 (discriminator 3))
[ 287.878723][ T3554] __free_event (kernel/events/core.c:5338)
[ 287.879557][ T3554] perf_event_alloc (include/linux/err.h:41 kernel/events/core.c:12393)
[ 287.880509][ T3554] __do_sys_perf_event_open (kernel/events/core.c:12802)
[ 287.881560][ T3554] ? perf_remove_from_context (kernel/events/core.c:12696)
[ 287.882663][ T3554] ? rcu_read_unlock (include/linux/rcupdate.h:347 (discriminator 9) include/linux/rcupdate.h:880 (discriminator 9))
[ 287.883569][ T3554] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67)
[ 287.884565][ T3554] ? lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848)
[ 287.885498][ T3554] __x64_sys_perf_event_open (kernel/events/core.c:12693)
[ 287.886445][ T3554] x64_sys_call (kbuild/obj/consumer/x86_64-randconfig-073-20241023/./arch/x86/include/generated/asm/syscalls_64.h:299)
[ 287.887311][ T3554] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 287.888193][ T3554] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 287.889316][ T3554] RIP: 0033:0x7f77a3bf1719
[ 287.890122][ T3554] 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/20241025/202410251648.683b17b1-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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