------------[ cut here ]------------
WARNING: CPU: 1 PID: 6629 at net/bluetooth/hci_conn.c:404 hci_conn_timeout.cold.5+0xc/0x13 net/bluetooth/hci_conn.c:404
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 6629 Comm: kworker/u5:6 Not tainted 4.19.150-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci5 hci_conn_timeout
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x17c/0x22a lib/dump_stack.c:118
 panic+0x1cd/0x375 kernel/panic.c:186
 __warn.cold.7+0x1b/0x3e kernel/panic.c:541
 report_bug+0x1a4/0x200 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x200/0x350 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:hci_conn_timeout.cold.5+0xc/0x13 net/bluetooth/hci_conn.c:404
Code: 89 55 d0 e8 df 5f 6f fb 48 8b 55 d0 e9 7e fe ff ff 4c 89 f7 e8 ce 5f 6f fb e9 3e fe ff ff 48 c7 c7 a0 4a cd 87 e8 9d f1 2b fb <0f> 0b e9 3f 62 ff ff e8 41 46 6f fb 48 c7 c7 00 50 cd 87 e8 95 46
RSP: 0018:ffff8880847f7d40 EFLAGS: 00010286
RAX: 0000000000000024 RBX: ffff888083d323a0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff87678920 RDI: ffffffff8a1a6a60
RBP: ffff8880847f7d58 R08: ffffed1015d65081 R09: ffffed1015d65080
R10: ffffed1015d65080 R11: ffff8880aeb28407 R12: ffff888083d32280
------------[ cut here ]------------
R13: ffff8880a7a18480 R14: ffff88809c80e400 R15: ffff888083d323a0
WARNING: CPU: 0 PID: 6627 at net/bluetooth/hci_conn.c:404 hci_conn_timeout.cold.5+0xc/0x13 net/bluetooth/hci_conn.c:404
 process_one_work+0x7b9/0x15a0 kernel/workqueue.c:2155
Modules linked in:
CPU: 0 PID: 6627 Comm: kworker/u5:4 Not tainted 4.19.150-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci4 hci_conn_timeout
RIP: 0010:hci_conn_timeout.cold.5+0xc/0x13 net/bluetooth/hci_conn.c:404
 worker_thread+0x85/0xb60 kernel/workqueue.c:2298
Code: 89 55 d0 e8 df 5f 6f fb 48 8b 55 d0 e9 7e fe ff ff 4c 89 f7 e8 ce 5f 6f fb e9 3e fe ff ff 48 c7 c7 a0 4a cd 87 e8 9d f1 2b fb <0f> 0b e9 3f 62 ff ff e8 41 46 6f fb 48 c7 c7 00 50 cd 87 e8 95 46
RSP: 0018:ffff88809e11fd40 EFLAGS: 00010286
 kthread+0x347/0x410 kernel/kthread.c:259
RAX: 0000000000000024 RBX: ffff88808cf38e60 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff87678920 RDI: ffffffff8a1a6a60
RBP: ffff88809e11fd58 R08: ffffed1015d45081 R09: ffffed1015d45080
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
R10: ffffed1015d45080 R11: ffff8880aea28407 R12: ffff88808cf38d40
R13: ffff8880a7a18480 R14: ffff88809c80ec00 R15: ffff88808cf38e60
FS:  0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4d264b1740 CR3: 00000000962b0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0x7b9/0x15a0 kernel/workqueue.c:2155
 worker_thread+0x85/0xb60 kernel/workqueue.c:2298
 kthread+0x347/0x410 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
irq event stamp: 423338
hardirqs last  enabled at (423337): [<ffffffff814e6a4e>] console_unlock+0xb9e/0xe20 kernel/printk/printk.c:2464
hardirqs last disabled at (423338): [<ffffffff81005771>] trace_hardirqs_off_thunk+0x1a/0x1c
softirqs last  enabled at (423326): [<ffffffff87000643>] __do_softirq+0x643/0x92d kernel/softirq.c:318
softirqs last disabled at (423321): [<ffffffff813a35df>] invoke_softirq kernel/softirq.c:372 [inline]
softirqs last disabled at (423321): [<ffffffff813a35df>] irq_exit+0x17f/0x1c0 kernel/softirq.c:412
---[ end trace cebd60c099790252 ]---
Kernel Offset: disabled
Rebooting in 86400 seconds..