kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 12843 Comm: syz.6.3077 Not tainted 5.4.290-syzkaller-00017-g6b07fcd94a6a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__write_once_size include/linux/compiler.h:295 [inline] RIP: 0010:__hlist_del include/linux/list.h:789 [inline] RIP: 0010:detach_timer kernel/time/timer.c:824 [inline] RIP: 0010:expire_timers kernel/time/timer.c:1482 [inline] RIP: 0010:__run_timers+0x77f/0xbe0 kernel/time/timer.c:1817 Code: 00 00 00 00 00 fc ff df 80 3c 03 00 74 08 4c 89 ff e8 05 51 3f 00 4d 8b 27 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 63 51 3f 00 4d 89 2c 24 4d 85 ed 74 RSP: 0018:ffff8881f6f09d60 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff11039810639 RCX: dffffc0000000000 RDX: 0000000000000101 RSI: 0000000000000004 RDI: ffff8881f6f09ce0 RBP: ffff8881f6f09ec8 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 R13: dead000000000122 R14: 1ffff11039810638 R15: ffff8881cc0831c8 FS: 00007f5eaa7c66c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3151fffc CR3: 00000001e6cc0000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000400000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x195/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:539 [inline] smp_apic_timer_interrupt+0x11a/0x490 arch/x86/kernel/apic/apic.c:1161 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834 RIP: 0010:arch_jump_label_transform_queue+0xd2/0x4c0 arch/x86/kernel/jump_label.c:145 Code: 28 84 c0 0f 85 a1 02 00 00 49 63 07 4c 01 f8 48 89 44 24 08 85 ed 7e 4d ff cd 81 fd 81 00 00 00 0f 83 b3 03 00 00 48 c1 e5 05 <48> 8d 45 08 48 3d 00 10 00 00 0f 87 7d 03 00 00 48 8d 9d 88 d3 e9 RSP: 0018:ffff8881d76ff888 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffffffff81033964 RBX: dffffc0000000001 RCX: 0000000000000002 RDX: ffff8881df182f40 RSI: 0000000000000001 RDI: ffffffff8564e640 RBP: 00000000000007a0 R08: ffffffff817eaeb5 R09: fffffbfff0c95cb8 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: dffffc0000000000 R14: 000000000000003e R15: ffffffff8564e640 __jump_label_update+0x177/0x3a0 kernel/jump_label.c:441 static_key_slow_inc_cpuslocked+0x128/0x210 kernel/jump_label.c:144 static_key_slow_inc+0x16/0x20 kernel/jump_label.c:159 tracepoint_add_func+0x660/0x710 kernel/tracepoint.c:302 tracepoint_probe_register_prio kernel/tracepoint.c:390 [inline] tracepoint_probe_register+0xff/0x160 kernel/tracepoint.c:410 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x494/0x920 kernel/trace/trace_event_perf.c:204 perf_trace_init+0x1bd/0x200 kernel/trace/trace_event_perf.c:228 perf_tp_event_init+0x89/0x110 kernel/events/core.c:8904 perf_try_init_event+0x130/0x3e0 kernel/events/core.c:10357 perf_init_event kernel/events/core.c:10408 [inline] perf_event_alloc+0xdd9/0x1b30 kernel/events/core.c:10678 __do_sys_perf_event_open kernel/events/core.c:11160 [inline] __se_sys_perf_event_open+0xa9f/0x37c0 kernel/events/core.c:11052 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 RIP: 0033:0x7f5eac15c169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5eaa7c6038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f5eac374fa0 RCX: 00007f5eac15c169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000400000000180 RBP: 00007f5eac1dd2a0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5eac374fa0 R15: 00007fff96969108 Modules linked in: ---[ end trace 500b9e55098754f6 ]--- RIP: 0010:__write_once_size include/linux/compiler.h:295 [inline] RIP: 0010:__hlist_del include/linux/list.h:789 [inline] RIP: 0010:detach_timer kernel/time/timer.c:824 [inline] RIP: 0010:expire_timers kernel/time/timer.c:1482 [inline] RIP: 0010:__run_timers+0x77f/0xbe0 kernel/time/timer.c:1817 Code: 00 00 00 00 00 fc ff df 80 3c 03 00 74 08 4c 89 ff e8 05 51 3f 00 4d 8b 27 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 63 51 3f 00 4d 89 2c 24 4d 85 ed 74 RSP: 0018:ffff8881f6f09d60 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff11039810639 RCX: dffffc0000000000 RDX: 0000000000000101 RSI: 0000000000000004 RDI: ffff8881f6f09ce0 RBP: ffff8881f6f09ec8 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 R13: dead000000000122 R14: 1ffff11039810638 R15: ffff8881cc0831c8 FS: 00007f5eaa7c66c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3151fffc CR3: 00000001e6cc0000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000400000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess), 7 bytes skipped: 0: df 80 3c 03 00 74 filds 0x7400033c(%rax) 6: 08 4c 89 ff or %cl,-0x1(%rcx,%rcx,4) a: e8 05 51 3f 00 call 0x3f5114 f: 4d 8b 27 mov (%r15),%r12 12: 4c 89 e0 mov %r12,%rax 15: 48 c1 e8 03 shr $0x3,%rax 19: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 20: fc ff df * 23: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 27: 74 08 je 0x31 29: 4c 89 e7 mov %r12,%rdi 2c: e8 63 51 3f 00 call 0x3f5194 31: 4d 89 2c 24 mov %r13,(%r12) 35: 4d 85 ed test %r13,%r13 38: 74 .byte 0x74