program:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0)
r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r2, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000440), 0x100, 0x0)
syz_emit_vhci(&(0x7f0000000180)=ANY=[@ANYBLOB="040e04141a0c"], 0x7)
[ 84.687272][ T44] Bluetooth: hci0: command tx timeout
[ 84.814379][ T5323] ------------[ cut here ]------------
[ 84.816930][ T5323] workqueue: cannot queue hci_rx_work on wq hci0
[ 84.819898][ T5323] WARNING: kernel/workqueue.c:2298 at __queue_work+0xd1f/0xfc0, CPU#0: syz.0.0/5323
[ 84.823939][ T5323] Modules linked in:
[ 84.825630][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 84.829450][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 84.834178][ T5323] RIP: 0010:__queue_work+0xd4a/0xfc0
[ 84.836599][ T5323] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 97 58 a5 00 49 8b 75 00 49 81 c7 70 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
[ 84.844854][ T5323] RSP: 0018:ffffc9000e5efb20 EFLAGS: 00010082
[ 84.847576][ T5323] RAX: 1ffff11006c73978 RBX: 0000000000000008 RCX: 0000000000100000
[ 84.851364][ T5323] RDX: ffff888036888170 RSI: ffffffff8a9d81a0 RDI: ffffffff9033c3b0
[ 84.855226][ T5323] RBP: 0000000000000000 R08: ffff88803639cbaf R09: 1ffff11006c73975
[ 84.859220][ T5323] R10: dffffc0000000000 R11: ffffed1006c73976 R12: dffffc0000000000
[ 84.862373][ T5323] R13: ffff88803639cbc0 R14: ffffffff9033c3b0 R15: ffff888036888170
[ 84.865864][ T5323] FS: 00007fe929fab6c0(0000) GS:ffff88808c885000(0000) knlGS:0000000000000000
[ 84.869858][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 84.872951][ T5323] CR2: 00007fe929faafe8 CR3: 0000000042ae4000 CR4: 0000000000352ef0
[ 84.876667][ T5323] Call Trace:
[ 84.878211][ T5323]
[ 84.879503][ T5323] ? ktime_get_with_offset+0x93/0x2d0
[ 84.881508][ T5323] ? rcu_is_watching+0x15/0xb0
[ 84.883616][ T5323] queue_work_on+0x106/0x1d0
[ 84.885675][ T5323] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 84.888143][ T5323] hci_recv_frame+0x625/0x7c0
[ 84.890072][ T5323] ? skb_pull+0xc1/0x1d0
[ 84.891778][ T5323] vhci_write+0x358/0x4a0
[ 84.893627][ T5323] vfs_write+0x61d/0xb90
[ 84.895608][ T5323] ? __pfx_vfs_write+0x10/0x10
[ 84.897662][ T5323] ? __fget_files+0x2a/0x420
[ 84.899705][ T5323] ksys_write+0x150/0x270
[ 84.901583][ T5323] ? __pfx_ksys_write+0x10/0x10
[ 84.903808][ T5323] ? __pfx_kcov_ioctl+0x10/0x10
[ 84.905967][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.908622][ T5323] do_syscall_64+0x15f/0xf80
[ 84.910598][ T5323] ? trace_irq_disable+0x3b/0x140
[ 84.912935][ T5323] ? clear_bhb_loop+0x40/0x90
[ 84.915269][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.918033][ T5323] RIP: 0033:0x7fe92db5d60e
[ 84.920041][ T5323] 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
[ 84.929701][ T5323] RSP: 002b:00007fe929faaf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 84.933223][ T5323] RAX: ffffffffffffffda RBX: 00007fe929fab6c0 RCX: 00007fe92db5d60e
[ 84.936359][ T5323] RDX: 0000000000000007 RSI: 0000200000000180 RDI: 00000000000000ca
[ 84.939346][ T5323] RBP: 00007fe92dc32d69 R08: 0000000000000000 R09: 0000000000000000
[ 84.942383][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 84.946013][ T5323] R13: 00007fe92de16218 R14: 00007fe92de16180 R15: 00007fff46d61098
[ 84.949939][ T5323]
[ 84.951413][ T5323] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 84.954871][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 84.958736][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 84.963606][ T5323] Call Trace:
[ 84.965112][ T5323]
[ 84.966471][ T5323] vpanic+0x56c/0xa60
[ 84.968617][ T5323] ? __pfx__printk+0x10/0x10
[ 84.971131][ T5323] ? __pfx_vpanic+0x10/0x10
[ 84.973817][ T5323] ? is_bpf_text_address+0x292/0x2b0
[ 84.976385][ T5323] ? is_bpf_text_address+0x26/0x2b0
[ 84.978833][ T5323] panic+0xc5/0xd0
[ 84.980643][ T5323] ? __pfx_panic+0x10/0x10
[ 84.982547][ T5323] __warn+0x315/0x4c0
[ 84.984429][ T5323] ? __queue_work+0xd1f/0xfc0
[ 84.986654][ T5323] ? __queue_work+0xd1f/0xfc0
[ 84.988803][ T5323] __report_bug+0x29a/0x540
[ 84.990771][ T5323] ? __queue_work+0xd1f/0xfc0
[ 84.993053][ T5323] ? __pfx___report_bug+0x10/0x10
[ 84.995494][ T5323] ? __pfx_hci_rx_work+0x10/0x10
[ 84.998442][ T5323] ? do_syscall_64+0x15f/0xf80
[ 85.001386][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.004448][ T5323] ? __lock_acquire+0x6b5/0x2cf0
[ 85.006767][ T5323] report_bug_entry+0x19a/0x290
[ 85.008900][ T5323] ? __queue_work+0xd4a/0xfc0
[ 85.011017][ T5323] ? __queue_work+0xd4f/0xfc0
[ 85.013307][ T5323] handle_bug+0xce/0x200
[ 85.015053][ T5323] exc_invalid_op+0x1a/0x50
[ 85.016846][ T5323] asm_exc_invalid_op+0x1a/0x20
[ 85.018858][ T5323] RIP: 0010:__queue_work+0xd4a/0xfc0
[ 85.021207][ T5323] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 97 58 a5 00 49 8b 75 00 49 81 c7 70 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
[ 85.030076][ T5323] RSP: 0018:ffffc9000e5efb20 EFLAGS: 00010082
[ 85.032711][ T5323] RAX: 1ffff11006c73978 RBX: 0000000000000008 RCX: 0000000000100000
[ 85.036167][ T5323] RDX: ffff888036888170 RSI: ffffffff8a9d81a0 RDI: ffffffff9033c3b0
[ 85.039567][ T5323] RBP: 0000000000000000 R08: ffff88803639cbaf R09: 1ffff11006c73975
[ 85.043183][ T5323] R10: dffffc0000000000 R11: ffffed1006c73976 R12: dffffc0000000000
[ 85.046658][ T5323] R13: ffff88803639cbc0 R14: ffffffff9033c3b0 R15: ffff888036888170
[ 85.050210][ T5323] ? __pfx_hci_rx_work+0x10/0x10
[ 85.052428][ T5323] ? ktime_get_with_offset+0x93/0x2d0
[ 85.054972][ T5323] ? rcu_is_watching+0x15/0xb0
[ 85.057150][ T5323] queue_work_on+0x106/0x1d0
[ 85.059213][ T5323] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 85.062018][ T5323] hci_recv_frame+0x625/0x7c0
[ 85.064183][ T5323] ? skb_pull+0xc1/0x1d0
[ 85.066079][ T5323] vhci_write+0x358/0x4a0
[ 85.068030][ T5323] vfs_write+0x61d/0xb90
[ 85.069987][ T5323] ? __pfx_vfs_write+0x10/0x10
[ 85.071974][ T5323] ? __fget_files+0x2a/0x420
[ 85.074083][ T5323] ksys_write+0x150/0x270
[ 85.076087][ T5323] ? __pfx_ksys_write+0x10/0x10
[ 85.078212][ T5323] ? __pfx_kcov_ioctl+0x10/0x10
[ 85.080401][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.083183][ T5323] do_syscall_64+0x15f/0xf80
[ 85.085357][ T5323] ? trace_irq_disable+0x3b/0x140
[ 85.087617][ T5323] ? clear_bhb_loop+0x40/0x90
[ 85.089765][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.092479][ T5323] RIP: 0033:0x7fe92db5d60e
[ 85.094403][ T5323] 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
[ 85.102746][ T5323] RSP: 002b:00007fe929faaf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.106283][ T5323] RAX: ffffffffffffffda RBX: 00007fe929fab6c0 RCX: 00007fe92db5d60e
[ 85.109432][ T5323] RDX: 0000000000000007 RSI: 0000200000000180 RDI: 00000000000000ca
[ 85.113378][ T5323] RBP: 00007fe92dc32d69 R08: 0000000000000000 R09: 0000000000000000
[ 85.117045][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.120831][ T5323] R13: 00007fe92de16218 R14: 00007fe92de16180 R15: 00007fff46d61098
[ 85.125284][ T5323]
[ 85.127546][ T5323] Kernel Offset: disabled
[ 85.130017][ T5323] Rebooting in 86400 seconds..