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workqueue: cannot queue hci_cmd_timeout on wq hci4
WARNING: CPU: 0 PID: 31685 at kernel/workqueue.c:2255 __queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Modules linked in:
CPU: 0 UID: 0 PID: 31685 Comm: syz.0.1947 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 4b 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 a0 00 ac 8b e8 be 1e f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 2f 78 38 00 90 0f 0b 90 e9 b4 f5 ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a3358
RDX: ffff888034e0bc00 RSI: ffffffff817a3365 RDI: 0000000000000001
RBP: ffff888029344970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff92000000f8f
R13: 0000000080000101 R14: ffffffff81832460 R15: ffff888050765178
FS: 00007fb0974696c0(0000) GS:ffff8881246bd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb08c21f000 CR3: 000000004435e000 CR4: 0000000000350ef0
Call Trace:
call_timer_fn+0x19a/0x620 kernel/time/timer.c:1747
expire_timers kernel/time/timer.c:1793 [inline]
__run_timers+0x569/0x960 kernel/time/timer.c:2372
__run_timer_base kernel/time/timer.c:2384 [inline]
__run_timer_base kernel/time/timer.c:2376 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2393
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:finish_task_switch.isra.0+0x22a/0xc10 kernel/sched/core.c:5225
Code: fb 09 00 00 44 8b 05 d9 a2 22 0f 45 85 c0 0f 85 be 01 00 00 4c 89 e7 e8 a4 f6 ff ff e8 7f 67 3a 00 fb 65 48 8b 1d 9e 25 4d 12 <48> 8d bb 18 16 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc90003c7f4b8 EFLAGS: 00000202
RAX: 000000000000ed9d RBX: ffff888034e0bc00 RCX: ffffffff81c370ef
RDX: 0000000000000000 RSI: ffffffff8de4e1c4 RDI: ffffffff8c162f80
RBP: ffffc90003c7f500 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90ab7b97 R11: 0000000000000000 R12: ffff8880b843a440
R13: ffff88804fd00000 R14: 0000000000000000 R15: dffffc0000000000
context_switch kernel/sched/core.c:5360 [inline]
__schedule+0x1198/0x5de0 kernel/sched/core.c:6961
__schedule_loop kernel/sched/core.c:7043 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:7058
schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75
unix_wait_for_peer+0x245/0x280 net/unix/af_unix.c:1639
unix_dgram_sendmsg+0x1410/0x17f0 net/unix/af_unix.c:2273
sock_sendmsg_nosec net/socket.c:714 [inline]
__sock_sendmsg net/socket.c:729 [inline]
____sys_sendmsg+0xa98/0xc70 net/socket.c:2614
___sys_sendmsg+0x134/0x1d0 net/socket.c:2668
__sys_sendmmsg+0x200/0x420 net/socket.c:2757
__do_sys_sendmmsg net/socket.c:2784 [inline]
__se_sys_sendmmsg net/socket.c:2781 [inline]
__x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2781
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb09658ebe9
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:00007fb097469038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fb0967b5fa0 RCX: 00007fb09658ebe9
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007fb096611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb0967b6038 R14: 00007fb0967b5fa0 R15: 00007ffd5203e8f8
----------------
Code disassembly (best guess):
0: fb sti
1: 09 00 or %eax,(%rax)
3: 00 44 8b 05 add %al,0x5(%rbx,%rcx,4)
7: d9 a2 22 0f 45 85 fldenv -0x7abaf0de(%rdx)
d: c0 0f 85 rorb $0x85,(%rdi)
10: be 01 00 00 4c mov $0x4c000001,%esi
15: 89 e7 mov %esp,%edi
17: e8 a4 f6 ff ff call 0xfffff6c0
1c: e8 7f 67 3a 00 call 0x3a67a0
21: fb sti
22: 65 48 8b 1d 9e 25 4d mov %gs:0x124d259e(%rip),%rbx # 0x124d25c8
29: 12
* 2a: 48 8d bb 18 16 00 00 lea 0x1618(%rbx),%rdi <-- trapping instruction
31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
38: fc ff df
3b: 48 89 fa mov %rdi,%rdx
3e: 48 rex.W
3f: c1 .byte 0xc1