------------[ cut here ]------------ On CPU1 hrtimer mac80211_hwsim_beacon took more than 4 ticks WARNING: CPU: 1 PID: 6080 at kernel/time/hrtimer.c:1523 __run_hrtimer kernel/time/hrtimer.c:1523 [inline] WARNING: CPU: 1 PID: 6080 at kernel/time/hrtimer.c:1523 __hrtimer_run_queues+0xe30/0xff0 kernel/time/hrtimer.c:1587 Modules linked in: CPU: 1 PID: 6080 Comm: syz-executor.3 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1523 [inline] RIP: 0010:__hrtimer_run_queues+0xe30/0xff0 kernel/time/hrtimer.c:1587 Code: fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e b7 01 00 00 41 8b 77 40 48 c7 c7 c0 97 4d 89 48 8b 54 24 08 e8 ca d0 56 07 <0f> 0b e9 6e f4 ff ff e8 d4 c1 52 00 e9 68 f6 ff ff 48 8b 7c 24 18 RSP: 0018:ffffc90000db0e50 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88801dcb0000 RSI: ffffffff815b73e5 RDI: fffff520001b61bc RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff815b05be R11: 0000000000000000 R12: ffff8880263bd878 R13: 0000000000000004 R14: ffff8880b9f26c80 R15: ffff8880b9f26a00 FS: 00007f0886014700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000056c000 CR3: 0000000023e2c000 CR4: 0000000000350ee0 Call Trace: hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1604 __do_softirq+0x29b/0x9f6 kernel/softirq.c:343 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:226 [inline] __irq_exit_rcu kernel/softirq.c:420 [inline] irq_exit_rcu+0x134/0x200 kernel/softirq.c:432 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:629 RIP: 0010:lock_acquire+0x1d2/0x720 kernel/locking/lockdep.c:5410 Code: 48 c7 c7 a0 a9 4b 89 48 83 c4 20 e8 88 b9 a1 07 b8 ff ff ff ff 65 0f c1 05 ab 2a a9 7e 83 f8 01 0f 85 da 03 00 00 ff 34 24 9d <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffffc900020ffd28 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 1ffff9200041ffa7 RCX: 0000000000000001 RDX: 1ffff11003b96130 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8ee6683f R10: fffffbfff1dccd07 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880185411c8 R14: 0000000000000000 R15: 0000000000000000 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] setfl fs/fcntl.c:79 [inline] do_fcntl+0x696/0x1070 fs/fcntl.c:347 __do_sys_fcntl fs/fcntl.c:463 [inline] __se_sys_fcntl fs/fcntl.c:448 [inline] __x64_sys_fcntl+0x165/0x1e0 fs/fcntl.c:448 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x465d99 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:00007f0886014188 EFLAGS: 00000246 ORIG_RAX: 0000000000000048 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465d99 RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffefcbe216f R14: 00007f0886014300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 48 c7 c7 a0 a9 4b 89 mov $0xffffffff894ba9a0,%rdi 7: 48 83 c4 20 add $0x20,%rsp b: e8 88 b9 a1 07 callq 0x7a1b998 10: b8 ff ff ff ff mov $0xffffffff,%eax 15: 65 0f c1 05 ab 2a a9 xadd %eax,%gs:0x7ea92aab(%rip) # 0x7ea92ac8 1c: 7e 1d: 83 f8 01 cmp $0x1,%eax 20: 0f 85 da 03 00 00 jne 0x400 26: ff 34 24 pushq (%rsp) 29: 9d popfq * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7