[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.111' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 204.060024][T17790] ------------[ cut here ]------------ [ 204.065532][T17790] DEBUG_LOCKS_WARN_ON(1) [ 204.065586][T17790] WARNING: CPU: 0 PID: 17790 at kernel/locking/lockdep.c:183 __lock_acquire+0x8e4/0x2c30 [ 204.079564][T17790] Kernel panic - not syncing: panic_on_warn set ... [ 204.086429][T17790] CPU: 0 PID: 17790 Comm: syz-executor026 Not tainted 5.7.0-rc6-syzkaller #0 [ 204.095153][T17790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.105177][T17790] Call Trace: [ 204.108439][T17790] dump_stack+0x1e9/0x30e [ 204.113012][T17790] panic+0x264/0x7a0 [ 204.116898][T17790] ? __warn+0x102/0x210 [ 204.121028][T17790] ? __lock_acquire+0x8e4/0x2c30 [ 204.126023][T17790] __warn+0x209/0x210 [ 204.129990][T17790] ? __lock_acquire+0x8e4/0x2c30 [ 204.134893][T17790] report_bug+0x1ac/0x2d0 [ 204.139189][T17790] do_error_trap+0xca/0x1c0 [ 204.143658][T17790] do_invalid_op+0x32/0x40 [ 204.148041][T17790] ? __lock_acquire+0x8e4/0x2c30 [ 204.152945][T17790] invalid_op+0x23/0x30 [ 204.157107][T17790] RIP: 0010:__lock_acquire+0x8e4/0x2c30 [ 204.162634][T17790] Code: 85 76 13 08 00 0f 85 bf fe ff ff 48 c7 c7 99 82 e5 88 48 c7 c6 d3 4f ea 88 31 c0 e8 46 e8 ec ff 48 ba 00 00 00 00 00 fc ff df <0f> 0b 31 db e9 bb fe ff ff 31 db e9 aa fe ff ff 48 c7 c1 b4 19 6c [ 204.182242][T17790] RSP: 0018:ffffc9000cb7f790 EFLAGS: 00010046 [ 204.188287][T17790] RAX: b9db11971958b600 RBX: 000000000000060a RCX: ffff888093e9e580 [ 204.196226][T17790] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff815cd136 [ 204.204165][T17790] RBP: ffffc9000cb7f8f8 R08: ffffffff817912a6 R09: fffffbfff125cd0b [ 204.212115][T17790] R10: fffffbfff125cd0b R11: 0000000000000000 R12: 0000000000000004 [ 204.220084][T17790] R13: 1ffffffff16abda6 R14: ffff888093e9ee90 R15: 0000000000000001 [ 204.228505][T17790] ? trace_hardirqs_off+0x16/0x70 [ 204.233509][T17790] ? vprintk_emit+0x1b6/0x3c0 [ 204.238164][T17790] lock_acquire+0x169/0x480 [ 204.243329][T17790] ? finish_lock_switch+0x1/0x30 [ 204.248253][T17790] finish_lock_switch+0x21/0x30 [ 204.253096][T17790] ? finish_lock_switch+0x1/0x30 [ 204.258002][T17790] finish_task_switch+0x24f/0x550 [ 204.262998][T17790] __schedule+0x80d/0xc90 [ 204.267299][T17790] preempt_schedule_irq+0xca/0x150 [ 204.272378][T17790] retint_kernel+0x1b/0x2b [ 204.276778][T17790] RIP: 0010:lock_acquire+0x1c7/0x480 [ 204.282082][T17790] Code: c1 e8 03 80 3c 10 00 74 0c 48 c7 c7 b0 b9 2b 89 e8 9e da 58 00 48 83 3d d6 23 d3 07 00 0f 84 8e 02 00 00 48 8b 7c 24 20 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 58 0f 85 70 [ 204.301785][T17790] RSP: 0018:ffffc9000cb7fba0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 204.310176][T17790] RAX: 1ffffffff1257736 RBX: 1ffff110127d3dc8 RCX: dffffc0000000000 [ 204.318287][T17790] RDX: dffffc0000000000 RSI: ffffffff8ad74c30 RDI: 0000000000000282 [ 204.326361][T17790] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff16ab3e4 [ 204.334566][T17790] R10: fffffbfff16ab3e4 R11: 0000000000000000 R12: 0000000000000000 [ 204.342527][T17790] R13: 0000000000000000 R14: ffff888093e9ee44 R15: ffff88808eb3f938 [ 204.350491][T17790] flush_workqueue+0x125/0x15a0 [ 204.355327][T17790] ? flush_workqueue+0x104/0x15a0 [ 204.360362][T17790] hci_dev_open+0x205/0x2d0 [ 204.364858][T17790] hci_sock_bind+0x15ba/0x1aa0 [ 204.369598][T17790] ? __might_fault+0xf5/0x150 [ 204.374276][T17790] __sys_bind+0x283/0x360 [ 204.378582][T17790] ? rcu_read_lock_sched_held+0x106/0x170 [ 204.384293][T17790] ? __fpregs_load_activate+0x168/0x1f0 [ 204.389817][T17790] ? trace_irq_disable_rcuidle+0x1f/0x1d0 [ 204.395591][T17790] ? entry_SYSCALL_64_after_hwframe+0x3e/0xb3 [ 204.401631][T17790] __x64_sys_bind+0x76/0x80 [ 204.406135][T17790] do_syscall_64+0xf3/0x1b0 [ 204.410613][T17790] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 204.416478][T17790] RIP: 0033:0x446849 [ 204.420360][T17790] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 204.440996][T17790] RSP: 002b:00007f13d3492db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 204.449373][T17790] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446849 [ 204.457313][T17790] RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 [ 204.465273][T17790] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 204.473213][T17790] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 204.481152][T17790] R13: 00007ffc160398ff R14: 00007f13d34939c0 R15: 000000000000002d [ 205.600379][T17790] Shutting down cpus with NMI [ 205.606829][T17790] Kernel Offset: disabled [ 205.611304][T17790] Rebooting in 86400 seconds..