program:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f0000000040)=ANY=[@ANYBLOB="043e1f1b"], 0x22)
syz_emit_vhci(&(0x7f0000000040)=ANY=[@ANYBLOB="040e0402030c"], 0x7)
syz_emit_vhci(&(0x7f0000000240)=ANY=[@ANYBLOB="043e"], 0xe)
[ 74.483520][ T4685] Bluetooth: hci0: command tx timeout
[ 74.534334][ T5337] ------------[ cut here ]------------
[ 74.536680][ T5337] workqueue: cannot queue hci_rx_work on wq hci0
[ 74.539767][ T5337] WARNING: kernel/workqueue.c:2252 at __queue_work+0xd1f/0xf90, CPU#0: syz.0.0/5337
[ 74.543779][ T5337] Modules linked in:
[ 74.545446][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 74.549366][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 74.553945][ T5337] RIP: 0010:__queue_work+0xd4a/0xf90
[ 74.556109][ T5337] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 f7 db 9f 00 49 8b 75 00 49 81 c7 78 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc
[ 74.563947][ T5337] RSP: 0018:ffffc9000d98fb20 EFLAGS: 00010086
[ 74.566541][ T5337] RAX: 1ffff11003ea197b RBX: 0000000000000008 RCX: 0000000000100000
[ 74.569900][ T5337] RDX: ffff888036d9c178 RSI: ffffffff8a70c450 RDI: ffffffff8fd1e480
[ 74.573189][ T5337] RBP: 0000000000000000 R08: ffff88801f50cbc7 R09: 1ffff11003ea1978
[ 74.576458][ T5337] R10: dffffc0000000000 R11: ffffed1003ea1979 R12: dffffc0000000000
[ 74.579847][ T5337] R13: ffff88801f50cbd8 R14: ffffffff8fd1e480 R15: ffff888036d9c178
[ 74.583022][ T5337] FS: 00007f4c851e96c0(0000) GS:ffff88808cf1d000(0000) knlGS:0000000000000000
[ 74.586865][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 74.589791][ T5337] CR2: 00007f4c852130f0 CR3: 00000000115dd000 CR4: 0000000000352ef0
[ 74.593194][ T5337] Call Trace:
[ 74.594620][ T5337]
[ 74.595866][ T5337] ? rcu_is_watching+0x15/0xb0
[ 74.597939][ T5337] queue_work_on+0x106/0x1c0
[ 74.599885][ T5337] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 74.602448][ T5337] hci_recv_frame+0x625/0x7c0
[ 74.604575][ T5337] ? skb_pull+0xc1/0x1d0
[ 74.606369][ T5337] vhci_write+0x358/0x4a0
[ 74.608223][ T5337] vfs_write+0x61d/0xb90
[ 74.609957][ T5337] ? __pfx_vfs_write+0x10/0x10
[ 74.611972][ T5337] ? __fget_files+0x2a/0x420
[ 74.613943][ T5337] ksys_write+0x150/0x270
[ 74.615841][ T5337] ? __pfx_ksys_write+0x10/0x10
[ 74.618027][ T5337] do_syscall_64+0xe2/0xf80
[ 74.620334][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.623369][ T5337] ? trace_irq_disable+0x37/0x100
[ 74.625489][ T5337] ? clear_bhb_loop+0x60/0xb0
[ 74.627545][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.630180][ T5337] RIP: 0033:0x7f4c8435b58e
[ 74.632373][ T5337] 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
[ 74.640797][ T5337] RSP: 002b:00007f4c851e8fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 74.644645][ T5337] RAX: ffffffffffffffda RBX: 00007f4c851e96c0 RCX: 00007f4c8435b58e
[ 74.648322][ T5337] RDX: 0000000000000007 RSI: 0000200000000040 RDI: 00000000000000ca
[ 74.651619][ T5337] RBP: 00007f4c84408bf7 R08: 0000000000000000 R09: 0000000000000000
[ 74.655165][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 74.658421][ T5337] R13: 00007f4c84616128 R14: 00007f4c84616090 R15: 00007ffc12091f38
[ 74.661710][ T5337]
[ 74.663084][ T5337] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 74.666304][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 74.670279][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 74.675089][ T5337] Call Trace:
[ 74.676683][ T5337]
[ 74.678006][ T5337] vpanic+0x1e0/0x670
[ 74.679758][ T5337] panic+0xc5/0xd0
[ 74.681386][ T5337] ? __pfx_panic+0x10/0x10
[ 74.683374][ T5337] __warn+0x315/0x4a0
[ 74.684966][ T5337] ? __queue_work+0xd1f/0xf90
[ 74.686796][ T5337] ? __queue_work+0xd1f/0xf90
[ 74.688700][ T5337] __report_bug+0x29a/0x540
[ 74.690496][ T5337] ? __queue_work+0xd1f/0xf90
[ 74.692350][ T5337] ? __pfx___report_bug+0x10/0x10
[ 74.694365][ T5337] ? vhci_write+0xbe/0x4a0
[ 74.696035][ T5337] ? __pfx_hci_rx_work+0x10/0x10
[ 74.698141][ T5337] ? __lock_acquire+0x6b5/0x2cf0
[ 74.700394][ T5337] report_bug_entry+0x19a/0x290
[ 74.702662][ T5337] ? __queue_work+0xd4a/0xf90
[ 74.704764][ T5337] ? __queue_work+0xd4f/0xf90
[ 74.706918][ T5337] handle_bug+0xca/0x200
[ 74.708760][ T5337] exc_invalid_op+0x1a/0x50
[ 74.710630][ T5337] asm_exc_invalid_op+0x1a/0x20
[ 74.712617][ T5337] RIP: 0010:__queue_work+0xd4a/0xf90
[ 74.714747][ T5337] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 f7 db 9f 00 49 8b 75 00 49 81 c7 78 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc
[ 74.722217][ T5337] RSP: 0018:ffffc9000d98fb20 EFLAGS: 00010086
[ 74.724635][ T5337] RAX: 1ffff11003ea197b RBX: 0000000000000008 RCX: 0000000000100000
[ 74.727908][ T5337] RDX: ffff888036d9c178 RSI: ffffffff8a70c450 RDI: ffffffff8fd1e480
[ 74.731332][ T5337] RBP: 0000000000000000 R08: ffff88801f50cbc7 R09: 1ffff11003ea1978
[ 74.734838][ T5337] R10: dffffc0000000000 R11: ffffed1003ea1979 R12: dffffc0000000000
[ 74.738050][ T5337] R13: ffff88801f50cbd8 R14: ffffffff8fd1e480 R15: ffff888036d9c178
[ 74.741288][ T5337] ? __pfx_hci_rx_work+0x10/0x10
[ 74.743414][ T5337] ? rcu_is_watching+0x15/0xb0
[ 74.745520][ T5337] queue_work_on+0x106/0x1c0
[ 74.747474][ T5337] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 74.750024][ T5337] hci_recv_frame+0x625/0x7c0
[ 74.752085][ T5337] ? skb_pull+0xc1/0x1d0
[ 74.753832][ T5337] vhci_write+0x358/0x4a0
[ 74.755727][ T5337] vfs_write+0x61d/0xb90
[ 74.757604][ T5337] ? __pfx_vfs_write+0x10/0x10
[ 74.759560][ T5337] ? __fget_files+0x2a/0x420
[ 74.761495][ T5337] ksys_write+0x150/0x270
[ 74.763660][ T5337] ? __pfx_ksys_write+0x10/0x10
[ 74.765923][ T5337] do_syscall_64+0xe2/0xf80
[ 74.767982][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.770670][ T5337] ? trace_irq_disable+0x37/0x100
[ 74.773006][ T5337] ? clear_bhb_loop+0x60/0xb0
[ 74.775431][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.778393][ T5337] RIP: 0033:0x7f4c8435b58e
[ 74.780369][ T5337] 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
[ 74.788816][ T5337] RSP: 002b:00007f4c851e8fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 74.792473][ T5337] RAX: ffffffffffffffda RBX: 00007f4c851e96c0 RCX: 00007f4c8435b58e
[ 74.795910][ T5337] RDX: 0000000000000007 RSI: 0000200000000040 RDI: 00000000000000ca
[ 74.799448][ T5337] RBP: 00007f4c84408bf7 R08: 0000000000000000 R09: 0000000000000000
[ 74.803044][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 74.806502][ T5337] R13: 00007f4c84616128 R14: 00007f4c84616090 R15: 00007ffc12091f38
[ 74.809894][ T5337]
[ 74.811618][ T5337] Kernel Offset: disabled
[ 74.813667][ T5337] Rebooting in 86400 seconds..