program:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000440), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
ioctl$sock_bt_hci(r2, 0x400448cb, 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f00000002c0), 0x40040, 0x0)
syz_emit_vhci(&(0x7f0000000040)=ANY=[@ANYBLOB="040e0402030c"], 0x7)
[ 71.149479][ T4664] Bluetooth: hci0: command tx timeout
[ 71.441799][ T5322] ------------[ cut here ]------------
[ 71.457486][ T5322] WARNING: CPU: 0 PID: 5322 at kernel/workqueue.c:2257 __queue_work+0xcd3/0xf50
[ 71.465687][ T5322] Modules linked in:
[ 71.470877][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.14.0-rc3-syzkaller #0
[ 71.486797][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 71.492981][ T5322] RIP: 0010:__queue_work+0xcd3/0xf50
[ 71.496260][ T5322] Code: ff e8 91 ad 38 00 90 0f 0b 90 e9 b2 fe ff ff e8 83 ad 38 00 eb 13 e8 7c ad 38 00 eb 0c e8 75 ad 38 00 eb 05 e8 6e ad 38 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
[ 71.518939][ T5322] RSP: 0018:ffffc9000d40fa88 EFLAGS: 00010083
[ 71.525271][ T5322] RAX: ffffffff81890ac4 RBX: ffff8880009fc880 RCX: 0000000000100000
[ 71.533023][ T5322] RDX: ffffc9000f434000 RSI: 000000000000007f RDI: 0000000000000080
[ 71.540532][ T5322] RBP: 0000000000000000 R08: ffffffff8188ff24 R09: 0000000000000000
[ 71.544297][ T5322] R10: ffffc9000d40fb60 R11: fffff52001a81f6d R12: ffff888043a2e800
[ 71.548155][ T5322] R13: ffff888043a2e9c0 R14: dffffc0000000000 R15: 0000000000000008
[ 71.551168][ T5322] FS: 00007f48caa496c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
[ 71.574888][ T5322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.585514][ T5322] CR2: 00007f48caa48fe0 CR3: 00000000408fe000 CR4: 0000000000352ef0
[ 71.588587][ T5322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 71.594560][ T5322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 71.607858][ T5322] Call Trace:
[ 71.609925][ T5322]
[ 71.612034][ T5322] ? __warn+0x165/0x4d0
[ 71.615606][ T5322] ? __queue_work+0xcd3/0xf50
[ 71.620786][ T5322] ? report_bug+0x2b3/0x500
[ 71.622833][ T5322] ? __queue_work+0xcd3/0xf50
[ 71.635616][ T5322] ? handle_bug+0x60/0x90
[ 71.637703][ T5322] ? exc_invalid_op+0x1a/0x50
[ 71.640434][ T5322] ? asm_exc_invalid_op+0x1a/0x20
[ 71.643740][ T5322] ? __queue_work+0x124/0xf50
[ 71.646478][ T5322] ? __queue_work+0xcc4/0xf50
[ 71.648909][ T5322] ? __queue_work+0xcd3/0xf50
[ 71.651844][ T5322] ? __queue_work+0xcc4/0xf50
[ 71.656723][ T5322] queue_work_on+0x1c2/0x380
[ 71.659765][ T5322] ? __pfx_queue_work_on+0x10/0x10
[ 71.663604][ T5322] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 71.668147][ T5322] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 71.694754][ T5322] ? skb_queue_tail+0x36/0x120
[ 71.697502][ T5322] hci_recv_frame+0x598/0x6f0
[ 71.699919][ T5322] vhci_write+0x35a/0x490
[ 71.702202][ T5322] vfs_write+0xacf/0xd10
[ 71.707722][ T5322] ? __pfx_vhci_write+0x10/0x10
[ 71.710026][ T5322] ? __pfx_vfs_write+0x10/0x10
[ 71.712189][ T5322] ? __fget_files+0x2a/0x410
[ 71.724287][ T5322] ? __fget_files+0x2a/0x410
[ 71.727234][ T5322] ksys_write+0x18f/0x2b0
[ 71.735999][ T5322] ? __pfx_ksys_write+0x10/0x10
[ 71.739238][ T5322] ? exc_page_fault+0x590/0x8b0
[ 71.746604][ T5322] ? do_syscall_64+0xb6/0x230
[ 71.748931][ T5322] do_syscall_64+0xf3/0x230
[ 71.751333][ T5322] ? clear_bhb_loop+0x35/0x90
[ 71.764022][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.767138][ T5322] RIP: 0033:0x7f48c9b8b89f
[ 71.769162][ T5322] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[ 71.788049][ T5322] RSP: 002b:00007f48caa49000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 71.798212][ T5322] RAX: ffffffffffffffda RBX: 00007f48c9da6160 RCX: 00007f48c9b8b89f
[ 71.804079][ T5322] RDX: 0000000000000007 RSI: 0000400000000040 RDI: 00000000000000ca
[ 71.826041][ T5322] RBP: 00007f48c9c0e2a0 R08: 0000000000000000 R09: 0000000000000000
[ 71.835731][ T5322] R10: 0000400000000040 R11: 0000000000000293 R12: 0000000000000000
[ 71.839432][ T5322] R13: 0000000000000001 R14: 00007f48c9da6160 R15: 00007ffe39e55b48
[ 71.842789][ T5322]
[ 71.863277][ T5322] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 71.867820][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.14.0-rc3-syzkaller #0
[ 71.872312][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 71.902479][ T5322] Call Trace:
[ 71.909837][ T5322]
[ 71.911421][ T5322] dump_stack_lvl+0x241/0x360
[ 71.913867][ T5322] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.927757][ T5322] ? __pfx__printk+0x10/0x10
[ 71.930012][ T5322] ? _printk+0xd5/0x120
[ 71.932034][ T5322] ? __init_begin+0x41000/0x41000
[ 71.946280][ T5322] ? vscnprintf+0x5d/0x90
[ 71.948666][ T5322] panic+0x349/0x880
[ 71.950722][ T5322] ? __warn+0x174/0x4d0
[ 71.952901][ T5322] ? __pfx_panic+0x10/0x10
[ 71.968460][ T5322] __warn+0x344/0x4d0
[ 71.970846][ T5322] ? __queue_work+0xcd3/0xf50
[ 71.977390][ T5322] report_bug+0x2b3/0x500
[ 71.979203][ T5322] ? __queue_work+0xcd3/0xf50
[ 71.987536][ T5322] handle_bug+0x60/0x90
[ 71.989624][ T5322] exc_invalid_op+0x1a/0x50
[ 71.992031][ T5322] asm_exc_invalid_op+0x1a/0x20
[ 71.999289][ T5322] RIP: 0010:__queue_work+0xcd3/0xf50
[ 72.002079][ T5322] Code: ff e8 91 ad 38 00 90 0f 0b 90 e9 b2 fe ff ff e8 83 ad 38 00 eb 13 e8 7c ad 38 00 eb 0c e8 75 ad 38 00 eb 05 e8 6e ad 38 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
[ 72.026628][ T5322] RSP: 0018:ffffc9000d40fa88 EFLAGS: 00010083
[ 72.029687][ T5322] RAX: ffffffff81890ac4 RBX: ffff8880009fc880 RCX: 0000000000100000
[ 72.047531][ T5322] RDX: ffffc9000f434000 RSI: 000000000000007f RDI: 0000000000000080
[ 72.060927][ T5322] RBP: 0000000000000000 R08: ffffffff8188ff24 R09: 0000000000000000
[ 72.068752][ T5322] R10: ffffc9000d40fb60 R11: fffff52001a81f6d R12: ffff888043a2e800
[ 72.079008][ T5322] R13: ffff888043a2e9c0 R14: dffffc0000000000 R15: 0000000000000008
[ 72.087545][ T5322] ? __queue_work+0x124/0xf50
[ 72.093096][ T5322] ? __queue_work+0xcc4/0xf50
[ 72.096699][ T5322] ? __queue_work+0xcc4/0xf50
[ 72.098922][ T5322] queue_work_on+0x1c2/0x380
[ 72.101215][ T5322] ? __pfx_queue_work_on+0x10/0x10
[ 72.122192][ T5322] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 72.132906][ T5322] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 72.140291][ T5322] ? skb_queue_tail+0x36/0x120
[ 72.142718][ T5322] hci_recv_frame+0x598/0x6f0
[ 72.155461][ T5322] vhci_write+0x35a/0x490
[ 72.157207][ T5322] vfs_write+0xacf/0xd10
[ 72.159111][ T5322] ? __pfx_vhci_write+0x10/0x10
[ 72.171293][ T5322] ? __pfx_vfs_write+0x10/0x10
[ 72.175902][ T5322] ? __fget_files+0x2a/0x410
[ 72.181463][ T5322] ? __fget_files+0x2a/0x410
[ 72.186181][ T5322] ksys_write+0x18f/0x2b0
[ 72.190353][ T5322] ? __pfx_ksys_write+0x10/0x10
[ 72.193570][ T5322] ? exc_page_fault+0x590/0x8b0
[ 72.196672][ T5322] ? do_syscall_64+0xb6/0x230
[ 72.199874][ T5322] do_syscall_64+0xf3/0x230
[ 72.204506][ T5322] ? clear_bhb_loop+0x35/0x90
[ 72.208528][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.216000][ T5322] RIP: 0033:0x7f48c9b8b89f
[ 72.223173][ T5322] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[ 72.243314][ T5322] RSP: 002b:00007f48caa49000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 72.249083][ T5322] RAX: ffffffffffffffda RBX: 00007f48c9da6160 RCX: 00007f48c9b8b89f
[ 72.253024][ T5322] RDX: 0000000000000007 RSI: 0000400000000040 RDI: 00000000000000ca
[ 72.258258][ T5322] RBP: 00007f48c9c0e2a0 R08: 0000000000000000 R09: 0000000000000000
[ 72.266294][ T5322] R10: 0000400000000040 R11: 0000000000000293 R12: 0000000000000000
[ 72.275370][ T5322] R13: 0000000000000001 R14: 00007f48c9da6160 R15: 00007ffe39e55b48
[ 72.284450][ T5322]
[ 72.288297][ T5322] Kernel Offset: disabled
[ 72.292756][ T5322] Rebooting in 86400 seconds..