program:
socket$kcm(0x10, 0x2, 0x0)
r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r0, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000440), 0x100, 0x0) (fail_nth: 2)
syz_emit_vhci(&(0x7f0000000400)=ANY=[@ANYBLOB="040e0402030c", @ANYRES64], 0x7)
[ 94.819830][ T5295] Bluetooth: hci0: command tx timeout
[ 94.963885][ T5333] FAULT_INJECTION: forcing a failure.
[ 94.963885][ T5333] name fail_usercopy, interval 1, probability 0, space 0, times 1
[ 95.001977][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 95.001998][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 95.002004][ T5333] Call Trace:
[ 95.002009][ T5333]
[ 95.002014][ T5333] dump_stack_lvl+0xe8/0x150
[ 95.002124][ T5333] should_fail_ex+0x412/0x560
[ 95.002175][ T5333] strncpy_from_user+0x36/0x2b0
[ 95.002193][ T5333] do_getname+0x77/0x250
[ 95.002212][ T5333] do_sys_openat2+0xca/0x200
[ 95.002226][ T5333] ? __pfx_do_sys_openat2+0x10/0x10
[ 95.002237][ T5333] ? ksys_write+0x242/0x270
[ 95.002252][ T5333] ? __pfx_ksys_write+0x10/0x10
[ 95.002268][ T5333] __x64_sys_openat+0x138/0x170
[ 95.002281][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.002300][ T5333] do_syscall_64+0x174/0x580
[ 95.002346][ T5333] ? trace_irq_disable+0x3b/0x140
[ 95.002363][ T5333] ? clear_bhb_loop+0x40/0x90
[ 95.002376][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.002386][ T5333] RIP: 0033:0x7f3d7b79ce59
[ 95.002398][ T5333] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 95.002407][ T5333] RSP: 002b:00007f3d7c695fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 95.002419][ T5333] RAX: ffffffffffffffda RBX: 00007f3d7ba16090 RCX: 00007f3d7b79ce59
[ 95.002426][ T5333] RDX: 0000000000000100 RSI: 0000200000000440 RDI: ffffffffffffff9c
[ 95.002432][ T5333] RBP: 00007f3d7c696050 R08: 0000000000000000 R09: 0000000000000000
[ 95.002439][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 95.002445][ T5333] R13: 00007f3d7ba16128 R14: 00007f3d7ba16090 R15: 00007ffe8e05c8e8
[ 95.002462][ T5333]
[ 95.004547][ T5333] ------------[ cut here ]------------
[ 95.077582][ T5333] workqueue: cannot queue hci_rx_work on wq hci0
[ 95.080251][ T5333] WARNING: kernel/workqueue.c:2298 at __queue_work+0xd3f/0x1040, CPU#0: syz.0.0/5333
[ 95.083793][ T5333] Modules linked in:
[ 95.085388][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 95.089278][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 95.093424][ T5333] RIP: 0010:__queue_work+0xd67/0x1040
[ 95.095924][ T5333] Code: a6 0e 49 8d 7d 18 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 fa 78 a5 00 49 8b 75 18 49 81 c7 70 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef
[ 95.103887][ T5333] RSP: 0018:ffffc90003a5fb08 EFLAGS: 00010082
[ 95.106310][ T5333] RAX: 1ffff110086f5178 RBX: 0000000000000008 RCX: ffff888000b92540
[ 95.109891][ T5333] RDX: ffff888036a3f170 RSI: ffffffff8a9c0fa0 RDI: ffffffff903340b0
[ 95.113295][ T5333] RBP: 0000000000000000 R08: ffff8880437a8baf R09: 1ffff110086f5175
[ 95.116702][ T5333] R10: dffffc0000000000 R11: ffffed10086f5176 R12: dffffc0000000000
[ 95.120289][ T5333] R13: ffff8880437a8ba8 R14: ffffffff903340b0 R15: ffff888036a3f170
[ 95.123723][ T5333] FS: 00007f3d7c6966c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000
[ 95.127688][ T5333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 95.130482][ T5333] CR2: 00007fcb05c1be40 CR3: 00000000439fd000 CR4: 0000000000352ef0
[ 95.133793][ T5333] Call Trace:
[ 95.135109][ T5333]
[ 95.136383][ T5333] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 95.138596][ T5333] ? rcu_is_watching+0x15/0xb0
[ 95.140534][ T5333] queue_work_on+0x106/0x1d0
[ 95.142438][ T5333] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 95.144950][ T5333] hci_recv_frame+0x625/0x7c0
[ 95.146996][ T5333] ? skb_pull+0xc1/0x1d0
[ 95.148889][ T5333] vhci_write+0x358/0x4a0
[ 95.150869][ T5333] vfs_write+0x61d/0xb90
[ 95.152620][ T5333] ? __pfx_vfs_write+0x10/0x10
[ 95.154641][ T5333] ? __fget_files+0x2a/0x420
[ 95.156693][ T5333] ksys_write+0x150/0x270
[ 95.158720][ T5333] ? __pfx_ksys_write+0x10/0x10
[ 95.160713][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.163069][ T5333] do_syscall_64+0x174/0x580
[ 95.164992][ T5333] ? trace_irq_disable+0x3b/0x140
[ 95.167104][ T5333] ? clear_bhb_loop+0x40/0x90
[ 95.169421][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.172645][ T5333] RIP: 0033:0x7f3d7b75d68e
[ 95.175127][ T5333] 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
[ 95.185278][ T5333] RSP: 002b:00007f3d7c695f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 95.189072][ T5333] RAX: ffffffffffffffda RBX: 00007f3d7c6966c0 RCX: 00007f3d7b75d68e
[ 95.192682][ T5333] RDX: 0000000000000007 RSI: 0000200000000400 RDI: 00000000000000ca
[ 95.196087][ T5333] RBP: 00007f3d7b832d6f R08: 0000000000000000 R09: 0000000000000000
[ 95.199430][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.202744][ T5333] R13: 00007f3d7ba16128 R14: 00007f3d7ba16090 R15: 00007ffe8e05c8e8
[ 95.205966][ T5333]
[ 95.207276][ T5333] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 95.210331][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 95.214128][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 95.218289][ T5333] Call Trace:
[ 95.219782][ T5333]
[ 95.221130][ T5333] vpanic+0x56c/0xa60
[ 95.222906][ T5333] ? __pfx__printk+0x10/0x10
[ 95.224959][ T5333] ? __pfx_vpanic+0x10/0x10
[ 95.226946][ T5333] ? is_bpf_text_address+0x292/0x2b0
[ 95.229294][ T5333] ? is_bpf_text_address+0x26/0x2b0
[ 95.231595][ T5333] panic+0xc5/0xd0
[ 95.233310][ T5333] ? __pfx_panic+0x10/0x10
[ 95.235295][ T5333] __warn+0x315/0x4c0
[ 95.237122][ T5333] ? __queue_work+0xd3f/0x1040
[ 95.239282][ T5333] ? __queue_work+0xd3f/0x1040
[ 95.241302][ T5333] __report_bug+0x29a/0x540
[ 95.243245][ T5333] ? __pfx_stack_trace_save+0x10/0x10
[ 95.245549][ T5333] ? __queue_work+0xd3f/0x1040
[ 95.247698][ T5333] ? __pfx___report_bug+0x10/0x10
[ 95.249851][ T5333] ? __pfx_hci_rx_work+0x10/0x10
[ 95.251911][ T5333] ? __alloc_skb+0x27d/0x7d0
[ 95.253792][ T5333] ? vhci_write+0xbe/0x4a0
[ 95.255610][ T5333] ? vfs_write+0x61d/0xb90
[ 95.257637][ T5333] ? ksys_write+0x150/0x270
[ 95.259651][ T5333] ? do_syscall_64+0x174/0x580
[ 95.261656][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.264324][ T5333] report_bug_entry+0x19a/0x290
[ 95.266567][ T5333] ? __queue_work+0xd67/0x1040
[ 95.268782][ T5333] ? __queue_work+0xd6c/0x1040
[ 95.271019][ T5333] handle_bug+0xce/0x200
[ 95.273098][ T5333] exc_invalid_op+0x1a/0x50
[ 95.275130][ T5333] asm_exc_invalid_op+0x1a/0x20
[ 95.277259][ T5333] RIP: 0010:__queue_work+0xd67/0x1040
[ 95.279596][ T5333] Code: a6 0e 49 8d 7d 18 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 fa 78 a5 00 49 8b 75 18 49 81 c7 70 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef
[ 95.288117][ T5333] RSP: 0018:ffffc90003a5fb08 EFLAGS: 00010082
[ 95.290898][ T5333] RAX: 1ffff110086f5178 RBX: 0000000000000008 RCX: ffff888000b92540
[ 95.294276][ T5333] RDX: ffff888036a3f170 RSI: ffffffff8a9c0fa0 RDI: ffffffff903340b0
[ 95.297582][ T5333] RBP: 0000000000000000 R08: ffff8880437a8baf R09: 1ffff110086f5175
[ 95.300939][ T5333] R10: dffffc0000000000 R11: ffffed10086f5176 R12: dffffc0000000000
[ 95.304147][ T5333] R13: ffff8880437a8ba8 R14: ffffffff903340b0 R15: ffff888036a3f170
[ 95.307764][ T5333] ? __pfx_hci_rx_work+0x10/0x10
[ 95.310073][ T5333] ? __queue_work+0xd2c/0x1040
[ 95.312217][ T5333] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 95.314676][ T5333] ? rcu_is_watching+0x15/0xb0
[ 95.316784][ T5333] queue_work_on+0x106/0x1d0
[ 95.318967][ T5333] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 95.321562][ T5333] hci_recv_frame+0x625/0x7c0
[ 95.323558][ T5333] ? skb_pull+0xc1/0x1d0
[ 95.325451][ T5333] vhci_write+0x358/0x4a0
[ 95.327298][ T5333] vfs_write+0x61d/0xb90
[ 95.329320][ T5333] ? __pfx_vfs_write+0x10/0x10
[ 95.331419][ T5333] ? __fget_files+0x2a/0x420
[ 95.333321][ T5333] ksys_write+0x150/0x270
[ 95.335057][ T5333] ? __pfx_ksys_write+0x10/0x10
[ 95.337001][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.339644][ T5333] do_syscall_64+0x174/0x580
[ 95.341553][ T5333] ? trace_irq_disable+0x3b/0x140
[ 95.343678][ T5333] ? clear_bhb_loop+0x40/0x90
[ 95.345737][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.348253][ T5333] RIP: 0033:0x7f3d7b75d68e
[ 95.350296][ T5333] 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
[ 95.358757][ T5333] RSP: 002b:00007f3d7c695f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 95.362363][ T5333] RAX: ffffffffffffffda RBX: 00007f3d7c6966c0 RCX: 00007f3d7b75d68e
[ 95.365823][ T5333] RDX: 0000000000000007 RSI: 0000200000000400 RDI: 00000000000000ca
[ 95.369313][ T5333] RBP: 00007f3d7b832d6f R08: 0000000000000000 R09: 0000000000000000
[ 95.372797][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 95.376999][ T5333] R13: 00007f3d7ba16128 R14: 00007f3d7ba16090 R15: 00007ffe8e05c8e8
[ 95.381122][ T5333]
[ 95.383152][ T5333] Kernel Offset: disabled
[ 95.385230][ T5333] Rebooting in 86400 seconds..