program: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x3, 0x0) (async) socket$nl_netfilter(0x10, 0x3, 0xc) socket$nl_netfilter(0x10, 0x3, 0xc) socket$nl_netfilter(0x10, 0x3, 0xc) (async) socket$nl_netfilter(0x10, 0x3, 0xc) (async) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000), 0x602, 0x0) writev(r0, &(0x7f0000000380)=[{&(0x7f0000000200)="af", 0x1}], 0x1) (async) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6_sctp(0xa, 0x5, 0x84) pipe2$9p(&(0x7f0000000080), 0x0) (async) pipe2$9p(&(0x7f0000000080), 0x0) socket$inet_sctp(0x2, 0x5, 0x84) socket$inet6_sctp(0xa, 0x1, 0x84) (async) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) (async) socket$nl_route(0x10, 0x3, 0x0) (async) openat$autofs(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0) (async) syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) (async) socket$kcm(0x10, 0x2, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) socket$l2tp(0x2, 0x2, 0x73) openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x42, 0x0) syz_open_procfs$pagemap(0x0, &(0x7f0000000140)) (async) socket$inet_tcp(0x2, 0x1, 0x0) (async) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.freeze\x00', 0x275a, 0x0) r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$sock_bt_hci(r2, 0x400448cb, 0x0) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000440), 0x100, 0x0) (async) syz_emit_vhci(&(0x7f0000000400)=ANY=[@ANYBLOB="040e0402030c", @ANYRES64=r1], 0x7) [ 154.955946][ T5327] Bluetooth: hci0: command tx timeout [ 155.119015][ T5351] ------------[ cut here ]------------ [ 155.121769][ T5351] workqueue: cannot queue hci_rx_work on wq hci0 [ 155.125547][ T5351] WARNING: kernel/workqueue.c:2271 at __queue_work+0xd53/0x1020, CPU#0: syz.0.0/5351 [ 155.130103][ T5351] Modules linked in: [ 155.131652][ T5351] CPU: 0 UID: 0 PID: 5351 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 155.135095][ T5351] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 155.139517][ T5351] RIP: 0010:__queue_work+0xd7e/0x1020 [ 155.142713][ T5351] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 c3 31 a4 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 [ 155.150887][ T5351] RSP: 0018:ffffc9000f017b20 EFLAGS: 00010086 [ 155.153557][ T5351] RAX: 1ffff1100244d97b RBX: 0000000000000008 RCX: ffff888000fdc980 [ 155.157225][ T5351] RDX: ffff888036025978 RSI: ffffffff8aa1dc10 RDI: ffffffff9014e200 [ 155.161254][ T5351] RBP: 0000000000000000 R08: ffff88801226cbc7 R09: 1ffff1100244d978 [ 155.166079][ T5351] R10: dffffc0000000000 R11: ffffed100244d979 R12: dffffc0000000000 [ 155.169765][ T5351] R13: ffff88801226cbd8 R14: ffffffff9014e200 R15: ffff888036025978 [ 155.173171][ T5351] FS: 00007f9adb9976c0(0000) GS:ffff88808ca4e000(0000) knlGS:0000000000000000 [ 155.177212][ T5351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.180124][ T5351] CR2: 00007f9adb996fe8 CR3: 0000000012434000 CR4: 0000000000352ef0 [ 155.183957][ T5351] Call Trace: [ 155.185924][ T5351] [ 155.187601][ T5351] ? rcu_is_watching+0x15/0xb0 [ 155.189723][ T5351] queue_work_on+0x106/0x1d0 [ 155.191563][ T5351] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 155.194007][ T5351] hci_recv_frame+0x625/0x7c0 [ 155.196021][ T5351] ? skb_pull+0xc1/0x1d0 [ 155.197993][ T5351] vhci_write+0x358/0x4a0 [ 155.199884][ T5351] vfs_write+0x61d/0xb90 [ 155.201845][ T5351] ? __pfx_vfs_write+0x10/0x10 [ 155.204094][ T5351] ? __fget_files+0x2a/0x420 [ 155.206458][ T5351] ksys_write+0x150/0x270 [ 155.208851][ T5351] ? __pfx_ksys_write+0x10/0x10 [ 155.211134][ T5351] do_syscall_64+0x14d/0xf80 [ 155.213261][ T5351] ? trace_irq_disable+0x3b/0x150 [ 155.215373][ T5351] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 155.218188][ T5351] ? clear_bhb_loop+0x40/0x90 [ 155.220260][ T5351] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 155.223069][ T5351] RIP: 0033:0x7f9adab5d04e [ 155.225643][ T5351] 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 [ 155.234363][ T5351] RSP: 002b:00007f9adb996f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 155.238598][ T5351] RAX: ffffffffffffffda RBX: 00007f9adb9976c0 RCX: 00007f9adab5d04e [ 155.242082][ T5351] RDX: 0000000000000007 RSI: 0000200000000400 RDI: 00000000000000ca [ 155.246012][ T5351] RBP: 00007f9adac32c91 R08: 0000000000000000 R09: 0000000000000000 [ 155.250150][ T5351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 155.253450][ T5351] R13: 00007f9adae16218 R14: 00007f9adae16180 R15: 00007fff350b7198 [ 155.256809][ T5351] [ 155.258129][ T5351] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 155.261270][ T5351] CPU: 0 UID: 0 PID: 5351 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 155.266518][ T5351] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 155.271576][ T5351] Call Trace: [ 155.273064][ T5351] [ 155.274304][ T5351] vpanic+0x56c/0xa60 [ 155.276167][ T5351] ? __pfx__printk+0x10/0x10 [ 155.278152][ T5351] ? __pfx_vpanic+0x10/0x10 [ 155.280043][ T5351] ? is_bpf_text_address+0x292/0x2b0 [ 155.282498][ T5351] ? is_bpf_text_address+0x26/0x2b0 [ 155.285057][ T5351] panic+0xc5/0xd0 [ 155.287224][ T5351] ? __pfx_panic+0x10/0x10 [ 155.289971][ T5351] __warn+0x315/0x4f0 [ 155.291843][ T5351] ? __queue_work+0xd53/0x1020 [ 155.294018][ T5351] ? __queue_work+0xd53/0x1020 [ 155.296640][ T5351] __report_bug+0x29a/0x540 [ 155.298791][ T5351] ? __queue_work+0xd53/0x1020 [ 155.300800][ T5351] ? __pfx___report_bug+0x10/0x10 [ 155.303028][ T5351] ? __pfx_hci_rx_work+0x10/0x10 [ 155.305250][ T5351] ? do_syscall_64+0x14d/0xf80 [ 155.308011][ T5351] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 155.311365][ T5351] report_bug_entry+0x19a/0x290 [ 155.313831][ T5351] ? __queue_work+0xd7e/0x1020 [ 155.316778][ T5351] ? __queue_work+0xd83/0x1020 [ 155.319781][ T5351] handle_bug+0xce/0x200 [ 155.322447][ T5351] exc_invalid_op+0x1a/0x50 [ 155.325060][ T5351] asm_exc_invalid_op+0x1a/0x20 [ 155.327745][ T5351] RIP: 0010:__queue_work+0xd7e/0x1020 [ 155.330127][ T5351] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 c3 31 a4 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 [ 155.338647][ T5351] RSP: 0018:ffffc9000f017b20 EFLAGS: 00010086 [ 155.341824][ T5351] RAX: 1ffff1100244d97b RBX: 0000000000000008 RCX: ffff888000fdc980 [ 155.345730][ T5351] RDX: ffff888036025978 RSI: ffffffff8aa1dc10 RDI: ffffffff9014e200 [ 155.349397][ T5351] RBP: 0000000000000000 R08: ffff88801226cbc7 R09: 1ffff1100244d978 [ 155.352740][ T5351] R10: dffffc0000000000 R11: ffffed100244d979 R12: dffffc0000000000 [ 155.355595][ T5351] R13: ffff88801226cbd8 R14: ffffffff9014e200 R15: ffff888036025978 [ 155.359633][ T5351] ? __pfx_hci_rx_work+0x10/0x10 [ 155.362295][ T5351] ? rcu_is_watching+0x15/0xb0 [ 155.364437][ T5351] queue_work_on+0x106/0x1d0 [ 155.366389][ T5351] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 155.368799][ T5351] hci_recv_frame+0x625/0x7c0 [ 155.370931][ T5351] ? skb_pull+0xc1/0x1d0 [ 155.373243][ T5351] vhci_write+0x358/0x4a0 [ 155.375865][ T5351] vfs_write+0x61d/0xb90 [ 155.378152][ T5351] ? __pfx_vfs_write+0x10/0x10 [ 155.380439][ T5351] ? __fget_files+0x2a/0x420 [ 155.382480][ T5351] ksys_write+0x150/0x270 [ 155.384461][ T5351] ? __pfx_ksys_write+0x10/0x10 [ 155.386746][ T5351] do_syscall_64+0x14d/0xf80 [ 155.388915][ T5351] ? trace_irq_disable+0x3b/0x150 [ 155.390830][ T5351] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 155.393662][ T5351] ? clear_bhb_loop+0x40/0x90 [ 155.395779][ T5351] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 155.398477][ T5351] RIP: 0033:0x7f9adab5d04e [ 155.400444][ T5351] 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 [ 155.408842][ T5351] RSP: 002b:00007f9adb996f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 155.413028][ T5351] RAX: ffffffffffffffda RBX: 00007f9adb9976c0 RCX: 00007f9adab5d04e [ 155.417483][ T5351] RDX: 0000000000000007 RSI: 0000200000000400 RDI: 00000000000000ca [ 155.421367][ T5351] RBP: 00007f9adac32c91 R08: 0000000000000000 R09: 0000000000000000 [ 155.425148][ T5351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 155.428887][ T5351] R13: 00007f9adae16218 R14: 00007f9adae16180 R15: 00007fff350b7198 [ 155.432175][ T5351] [ 155.433899][ T5351] Kernel Offset: disabled [ 155.435703][ T5351] Rebooting in 86400 seconds..