------------[ cut here ]------------ WARNING: CPU: 0 PID: 3916 at kernel/events/core.c:2233 perf_event_task_tick+0xbeb/0x1050 Modules linked in: CPU: 0 PID: 3916 Comm: syz-executor.7 Not tainted 6.0.0-rc7-next-20220930 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:perf_event_task_tick+0xbeb/0x1050 Code: e9 34 fd ff ff e8 05 33 ef ff 65 44 8b 35 89 9c ab 7e 31 ff 44 89 f6 e8 a3 2f ef ff 45 85 f6 0f 84 04 01 00 00 e8 e5 32 ef ff <0f> 0b e9 60 fa ff ff e8 d9 32 ef ff 65 8b 1d 5e 9c ab 7e 31 ff 89 RSP: 0018:ffff88806ce09520 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880086605c8 RCX: 0000000000000100 RDX: ffff888015da1ac0 RSI: ffffffff8156d94b RDI: 0000000000000005 RBP: ffff888009c42908 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888008660660 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f57e72f4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1c185ef620 CR3: 0000000035898000 CR4: 0000000000350ef0 Call Trace: scheduler_tick+0x17e/0x350 update_process_times+0x138/0x190 tick_sched_handle+0x9b/0x180 tick_sched_timer+0xf2/0x120 __hrtimer_run_queues+0x184/0xb50 hrtimer_interrupt+0x315/0x770 __sysvec_apic_timer_interrupt+0x144/0x500 sysvec_apic_timer_interrupt+0x3b/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:lock_is_held_type+0xf8/0x130 Code: 80 f2 86 84 e8 a9 0c 00 00 b8 ff ff ff ff 65 0f c1 05 bc 41 dd 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 36 05 3b 00 45 31 ed eb RSP: 0018:ffff88806ce098d0 EFLAGS: 00000292 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000000 RBP: ffffffff85407260 R08: 0000000000000000 R09: ffffffff85b06ed7 R10: fffffbfff0b60dda R11: 0000000000000001 R12: ffff888015da1ac0 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888015da2438 rcu_read_lock_sched_held+0x3e/0x80 lock_acquire+0x45e/0x530 __is_insn_slot_addr+0x3d/0x250 kernel_text_address+0x57/0xb0 __kernel_text_address+0x9/0x40 unwind_get_return_address+0x55/0xa0 arch_stack_walk+0x99/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 kasan_save_free_info+0x2a/0x50 __kasan_slab_free+0x106/0x190 kmem_cache_free+0xf7/0x610 rcu_core+0x7e2/0x2080 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:__sanitizer_cov_trace_pc+0x43/0x70 Code: 6e 02 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 2c 14 00 00 85 c0 74 2b 8b 82 08 14 00 00 83 f8 02 75 20 48 8b 8a 10 14 00 00 <8b> 92 0c 14 00 00 48 8b 01 48 83 c0 01 48 39 c2 76 07 48 89 01 48 RSP: 0018:ffff888031787bc8 EFLAGS: 00000246 RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffc90011c55000 RDX: ffff888015da1ac0 RSI: ffffffff813ad25c RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 00007fffffffeffc R13: 0000000000000000 R14: 00000000ffffffff R15: 00000000ffffffff get_futex_key+0xc0c/0x1790 futex_wake+0xe6/0x490 do_futex+0x27f/0x380 __x64_sys_futex+0x1c6/0x4d0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f57e9d7eb19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f57e72f4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f57e9e91f68 RCX: 00007f57e9d7eb19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f57e9e91f6c RBP: 00007f57e9e91f60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007f57e9e91f6c R13: 00007ffe857fa98f R14: 00007f57e72f4300 R15: 0000000000022000 irq event stamp: 485 hardirqs last enabled at (484): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (485): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (78): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (287): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ====================================================== ---------------- Code disassembly (best guess), 1 bytes skipped: 0: f2 86 84 e8 a9 0c 00 xacquire xchg %al,0xca9(%rax,%rbp,8) 7: 00 8: b8 ff ff ff ff mov $0xffffffff,%eax d: 65 0f c1 05 bc 41 dd xadd %eax,%gs:0x7bdd41bc(%rip) # 0x7bdd41d1 14: 7b 15: 83 f8 01 cmp $0x1,%eax 18: 75 26 jne 0x40 1a: 48 f7 04 24 00 02 00 testq $0x200,(%rsp) 21: 00 22: 74 01 je 0x25 24: fb sti 25: 48 83 c4 08 add $0x8,%rsp * 29: 44 89 e8 mov %r13d,%eax <-- trapping instruction 2c: 5b pop %rbx 2d: 5d pop %rbp 2e: 41 5c pop %r12 30: 41 5d pop %r13 32: 41 5e pop %r14 34: 41 5f pop %r15 36: e9 36 05 3b 00 jmpq 0x3b0571 3b: 45 31 ed xor %r13d,%r13d 3e: eb .byte 0xeb