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workqueue: cannot queue hci_cmd_timeout on wq hci1
WARNING: CPU: 0 PID: 17513 at kernel/workqueue.c:2255 __queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Modules linked in:
CPU: 0 UID: 0 PID: 17513 Comm: syz.1.3063 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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 03 ac 8b e8 be 1e f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 ff 79 38 00 90 0f 0b 90 e9 b4 f5 ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a4388
RDX: ffff888027792440 RSI: ffffffff817a4395 RDI: 0000000000000001
RBP: ffff888059a88970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: fffffffffffe6958 R12: 1ffff92000000f8f
R13: 0000000080000100 R14: ffffffff81833490 R15: ffff88807f277978
FS: 00007fc69a2be6c0(0000) GS:ffff8881246b2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000003fc030 CR3: 0000000057e25000 CR4: 00000000003526f0
Call Trace:
call_timer_fn+0x197/0x620 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:__refcount_sub_and_test include/linux/refcount.h:394 [inline]
RIP: 0010:__refcount_dec_and_test include/linux/refcount.h:432 [inline]
RIP: 0010:refcount_dec_and_test include/linux/refcount.h:450 [inline]
RIP: 0010:skb_unref include/linux/skbuff.h:1245 [inline]
RIP: 0010:consume_skb+0x3b/0x100 net/core/skbuff.c:1393
Code: 85 db 74 4d 4c 8d a3 e4 00 00 00 bd ff ff ff ff e8 fa 68 52 f8 be 04 00 00 00 4c 89 e7 e8 2d d0 b8 f8 f0 0f c1 ab e4 00 00 00 <31> ff 89 ee e8 1c 64 52 f8 85 ed 0f 8e 89 00 00 00 e8 cf 68 52 f8
RSP: 0018:ffffc90011d2f850 EFLAGS: 00000213
RAX: 0000000000000001 RBX: ffff88806ceb0b40 RCX: ffffffff89693453
RDX: ffffed100d9d6185 RSI: 0000000000000004 RDI: ffff88806ceb0c24
RBP: 0000000000000002 R08: 0000000000000001 R09: ffffed100d9d6184
R10: ffff88806ceb0c27 R11: 0000000000000000 R12: ffff88806ceb0c24
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806ceb0b40
__unix_dgram_recvmsg+0x779/0xc30 net/unix/af_unix.c:2683
unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2700
sock_recvmsg_nosec net/socket.c:1065 [inline]
____sys_recvmsg+0x5f9/0x6b0 net/socket.c:2832
___sys_recvmsg+0x114/0x1a0 net/socket.c:2876
do_recvmmsg+0x2fe/0x750 net/socket.c:2971
__sys_recvmmsg net/socket.c:3045 [inline]
__do_sys_recvmmsg net/socket.c:3068 [inline]
__se_sys_recvmmsg net/socket.c:3061 [inline]
__x64_sys_recvmmsg+0x22a/0x280 net/socket.c:3061
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc69938eba9
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:00007fc69a2be038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc6995d6090 RCX: 00007fc69938eba9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007fc699411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc6995d6128 R14: 00007fc6995d6090 R15: 00007fff48cd9f48
----------------
Code disassembly (best guess):
0: 85 db test %ebx,%ebx
2: 74 4d je 0x51
4: 4c 8d a3 e4 00 00 00 lea 0xe4(%rbx),%r12
b: bd ff ff ff ff mov $0xffffffff,%ebp
10: e8 fa 68 52 f8 call 0xf852690f
15: be 04 00 00 00 mov $0x4,%esi
1a: 4c 89 e7 mov %r12,%rdi
1d: e8 2d d0 b8 f8 call 0xf8b8d04f
22: f0 0f c1 ab e4 00 00 lock xadd %ebp,0xe4(%rbx)
29: 00
* 2a: 31 ff xor %edi,%edi <-- trapping instruction
2c: 89 ee mov %ebp,%esi
2e: e8 1c 64 52 f8 call 0xf852644f
33: 85 ed test %ebp,%ebp
35: 0f 8e 89 00 00 00 jle 0xc4
3b: e8 cf 68 52 f8 call 0xf852690f