program:
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
syz_emit_vhci(&(0x7f00000000c0)=ANY=[@ANYBLOB="040e0402030c"], 0x7)
syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0)
connect$bt_l2cap(r1, &(0x7f0000000000)={0x1f, 0x0, @fixed}, 0xe)
syz_emit_vhci(&(0x7f0000000240)=ANY=[@ANYBLOB="04030b"], 0xe)
openat$iommufd(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000240), 0x105000, 0x0)
syz_emit_vhci(&(0x7f0000000100)=ANY=[@ANYBLOB="040f0000011304"], 0x7)
592703][ T46] Bluetooth: hci0: command tx timeout
[ 90.663676][ T5327] ------------[ cut here ]------------
[ 90.666146][ T5327] workqueue: cannot queue hci_rx_work on wq hci0
[ 90.669111][ T5327] WARNING: kernel/workqueue.c:2252 at __queue_work+0xd1f/0xf90, CPU#0: syz.0.0/5327
[ 90.673215][ T5327] Modules linked in:
[ 90.675005][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 90.678914][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 90.683360][ T5327] RIP: 0010:__queue_work+0xd4a/0xf90
[ 90.685759][ T5327] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 57 de 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
[ 90.694358][ T5327] RSP: 0018:ffffc9000c3bfb20 EFLAGS: 00010086
[ 90.697192][ T5327] RAX: 1ffff1100229c17b RBX: 0000000000000008 RCX: 0000000000100000
[ 90.700840][ T5327] RDX: ffff888037a4a978 RSI: ffffffff8a70c8f0 RDI: ffffffff8fd1fa80
[ 90.704518][ T5327] RBP: 0000000000000000 R08: ffff8880114e0bc7 R09: 1ffff1100229c178
[ 90.708408][ T5327] R10: dffffc0000000000 R11: ffffed100229c179 R12: dffffc0000000000
[ 90.711810][ T5327] R13: ffff8880114e0bd8 R14: ffffffff8fd1fa80 R15: ffff888037a4a978
[ 90.715327][ T5327] FS: 00007fea2b1d36c0(0000) GS:ffff88808cf1b000(0000) knlGS:0000000000000000
[ 90.719179][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.722093][ T5327] CR2: 00007f3b3b0f7910 CR3: 00000000435a2000 CR4: 0000000000352ef0
[ 90.725517][ T5327] Call Trace:
[ 90.726980][ T5327]
[ 90.728268][ T5327] ? rcu_is_watching+0x15/0xb0
[ 90.730248][ T5327] queue_work_on+0x106/0x1c0
[ 90.732249][ T5327] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 90.734841][ T5327] hci_recv_frame+0x625/0x7c0
[ 90.736796][ T5327] ? skb_pull+0xc1/0x1d0
[ 90.738533][ T5327] vhci_write+0x358/0x4a0
[ 90.740403][ T5327] vfs_write+0x61d/0xb90
[ 90.742287][ T5327] ? __pfx_vfs_write+0x10/0x10
[ 90.744373][ T5327] ? __fget_files+0x2a/0x420
[ 90.746539][ T5327] ksys_write+0x150/0x270
[ 90.748612][ T5327] ? __pfx_ksys_write+0x10/0x10
[ 90.750679][ T5327] ? __pfx_kcov_ioctl+0x10/0x10
[ 90.752791][ T5327] do_syscall_64+0xe2/0xf80
[ 90.754930][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 90.757612][ T5327] ? trace_irq_disable+0x37/0x100
[ 90.759949][ T5327] ? clear_bhb_loop+0x60/0xb0
[ 90.762151][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 90.764680][ T5327] RIP: 0033:0x7fea2a35b58e
[ 90.766557][ T5327] 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
[ 90.774962][ T5327] RSP: 002b:00007fea2b1d2fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 90.778613][ T5327] RAX: ffffffffffffffda RBX: 00007fea2b1d36c0 RCX: 00007fea2a35b58e
[ 90.782032][ T5327] RDX: 0000000000000007 RSI: 00002000000000c0 RDI: 00000000000000ca
[ 90.785540][ T5327] RBP: 00007fea2a408bf7 R08: 0000000000000000 R09: 0000000000000000
[ 90.788995][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 90.792563][ T5327] R13: 00007fea2a616128 R14: 00007fea2a616090 R15: 00007ffe8fa49538
[ 90.795970][ T5327]
[ 90.797377][ T5327] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 90.800640][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 90.804558][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 90.808823][ T5327] Call Trace:
[ 90.810328][ T5327]
[ 90.811645][ T5327] vpanic+0x1e0/0x670
[ 90.813421][ T5327] panic+0xc5/0xd0
[ 90.815105][ T5327] ? __pfx_panic+0x10/0x10
[ 90.817013][ T5327] __warn+0x315/0x4a0
[ 90.818797][ T5327] ? __queue_work+0xd1f/0xf90
[ 90.820757][ T5327] ? __queue_work+0xd1f/0xf90
[ 90.822792][ T5327] __report_bug+0x29a/0x540
[ 90.824793][ T5327] ? __queue_work+0xd1f/0xf90
[ 90.826832][ T5327] ? __pfx___report_bug+0x10/0x10
[ 90.829124][ T5327] ? vhci_write+0xbe/0x4a0
[ 90.831167][ T5327] ? __pfx_hci_rx_work+0x10/0x10
[ 90.833425][ T5327] ? __lock_acquire+0x6b5/0x2cf0
[ 90.835684][ T5327] report_bug_entry+0x19a/0x290
[ 90.837782][ T5327] ? __queue_work+0xd4a/0xf90
[ 90.839847][ T5327] ? __queue_work+0xd4f/0xf90
[ 90.841914][ T5327] handle_bug+0xca/0x200
[ 90.843777][ T5327] exc_invalid_op+0x1a/0x50
[ 90.845852][ T5327] asm_exc_invalid_op+0x1a/0x20
[ 90.848002][ T5327] RIP: 0010:__queue_work+0xd4a/0xf90
[ 90.850390][ T5327] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 57 de 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
[ 90.858960][ T5327] RSP: 0018:ffffc9000c3bfb20 EFLAGS: 00010086
[ 90.861619][ T5327] RAX: 1ffff1100229c17b RBX: 0000000000000008 RCX: 0000000000100000
[ 90.865022][ T5327] RDX: ffff888037a4a978 RSI: ffffffff8a70c8f0 RDI: ffffffff8fd1fa80
[ 90.868393][ T5327] RBP: 0000000000000000 R08: ffff8880114e0bc7 R09: 1ffff1100229c178
[ 90.871708][ T5327] R10: dffffc0000000000 R11: ffffed100229c179 R12: dffffc0000000000
[ 90.875184][ T5327] R13: ffff8880114e0bd8 R14: ffffffff8fd1fa80 R15: ffff888037a4a978
[ 90.878644][ T5327] ? __pfx_hci_rx_work+0x10/0x10
[ 90.880831][ T5327] ? rcu_is_watching+0x15/0xb0
[ 90.882989][ T5327] queue_work_on+0x106/0x1c0
[ 90.885062][ T5327] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 90.887579][ T5327] hci_recv_frame+0x625/0x7c0
[ 90.889613][ T5327] ? skb_pull+0xc1/0x1d0
[ 90.891466][ T5327] vhci_write+0x358/0x4a0
[ 90.893376][ T5327] vfs_write+0x61d/0xb90
[ 90.895309][ T5327] ? __pfx_vfs_write+0x10/0x10
[ 90.897367][ T5327] ? __fget_files+0x2a/0x420
[ 90.899385][ T5327] ksys_write+0x150/0x270
[ 90.901261][ T5327] ? __pfx_ksys_write+0x10/0x10
[ 90.903382][ T5327] ? __pfx_kcov_ioctl+0x10/0x10
[ 90.905524][ T5327] do_syscall_64+0xe2/0xf80
[ 90.907560][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 90.910185][ T5327] ? trace_irq_disable+0x37/0x100
[ 90.912284][ T5327] ? clear_bhb_loop+0x60/0xb0
[ 90.914462][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 90.917101][ T5327] RIP: 0033:0x7fea2a35b58e
[ 90.919088][ T5327] 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
[ 90.927448][ T5327] RSP: 002b:00007fea2b1d2fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 90.931041][ T5327] RAX: ffffffffffffffda RBX: 00007fea2b1d36c0 RCX: 00007fea2a35b58e
[ 90.934576][ T5327] RDX: 0000000000000007 RSI: 00002000000000c0 RDI: 00000000000000ca
[ 90.937903][ T5327] RBP: 00007fea2a408bf7 R08: 0000000000000000 R09: 0000000000000000
[ 90.941297][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 90.944803][ T5327] R13: 00007fea2a616128 R14: 00007fea2a616090 R15: 00007ffe8fa49538
[ 90.948208][ T5327]
[ 90.949853][ T5327] Kernel Offset: disabled
[ 90.951722][ T5327] Rebooting in 86400 seconds..