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workqueue: cannot queue hci_cmd_timeout on wq hci1
WARNING: kernel/workqueue.c:2297 at __queue_work+0xcee/0x1130 kernel/workqueue.c:2296, CPU#2: syz-executor/10481
Modules linked in:
CPU: 2 UID: 0 PID: 10481 Comm: syz-executor Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__queue_work+0xcf2/0x1130 kernel/workqueue.c:2296
Code: 00 00 00 fc ff df 49 8d 94 24 70 01 00 00 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 00 04 00 00 48 8d 3d 92 92 0b 0f 48 8b 75 18 <67> 48 0f b9 3a e9 44 f7 ff ff e8 3f 82 39 00 90 0f 0b 90 e9 cc f5
RSP: 0018:ffffc90000648bd0 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff11009c6c14e
RDX: ffff888031c1d970 RSI: ffffffff8a7fa420 RDI: ffffffff90da9c20
RBP: ffff88804e360a58 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000000 R12: ffff888031c1d800
R13: 1ffff920000c918d R14: ffffffff81cf1aa0 R15: 0000000000000001
FS: 000055557504b500(0000) GS:ffff8880d6576000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055742e6acd08 CR3: 0000000022b15000 CR4: 0000000000352ef0
Call Trace:
call_timer_fn+0x19a/0x640 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1794 [inline]
__run_timers+0x583/0xaf0 kernel/time/timer.c:2374
__run_timer_base kernel/time/timer.c:2386 [inline]
__run_timer_base kernel/time/timer.c:2378 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2395
run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405
handle_softirqs+0x1ea/0xa00 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x162/0x210 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1061
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:finish_task_switch.isra.0+0x2d3/0x1010 kernel/sched/core.c:5245
Code: 2f 0a 00 00 41 c7 87 e0 0d 00 00 00 00 00 00 0f 1f 44 00 00 49 8d 7f 48 e8 5a ad b7 09 e8 55 8b 3b 00 fb 48 8d bb a8 16 00 00 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84
RSP: 0018:ffffc900033cfa58 EFLAGS: 00000206
RAX: 000000000008b11b RBX: ffff88805a6ba500 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8df1fe7a RDI: ffff88805a6bbba8
RBP: ffffc900033cfab0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880436d2500
R13: 0000000000000000 R14: ffffffff90d7cee4 R15: ffff88806a63b240
context_switch kernel/sched/core.c:5391 [inline]
__schedule+0x10f1/0x6820 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:7283
do_nanosleep+0x158/0x570 kernel/time/hrtimer.c:2293
hrtimer_nanosleep+0x14f/0x350 kernel/time/hrtimer.c:2339
common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1345
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1391 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1368 [inline]
__x64_sys_clock_nanosleep+0x336/0x480 kernel/time/posix-timers.c:1368
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2fd2d5d60e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffcb9c11aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000055557504b500 RCX: 00007f2fd2d5d60e
RDX: 00007ffcb9c11b00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffcb9c11b6c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001388
R13: 00000000000927c0 R14: 000000000003eea8 R15: 00007ffcb9c11bc0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 fc add %bh,%ah
4: ff lcall (bad)
5: df 49 8d fisttps -0x73(%rcx)
8: 94 xchg %eax,%esp
9: 24 70 and $0x70,%al
b: 01 00 add %eax,(%rax)
d: 00 48 89 add %cl,-0x77(%rax)
10: f9 stc
11: 48 c1 e9 03 shr $0x3,%rcx
15: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1)
19: 0f 85 00 04 00 00 jne 0x41f
1f: 48 8d 3d 92 92 0b 0f lea 0xf0b9292(%rip),%rdi # 0xf0b92b8
26: 48 8b 75 18 mov 0x18(%rbp),%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: e9 44 f7 ff ff jmp 0xfffff778
34: e8 3f 82 39 00 call 0x398278
39: 90 nop
3a: 0f 0b ud2
3c: 90 nop
3d: e9 .byte 0xe9
3e: cc int3
3f: f5 cmc