[ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.60' (ECDSA) to the list of known hosts. syzkaller login: [ 41.921614][ T7021] IPVS: ftp: loaded support on port[0] = 21 [ 41.922098][ T7027] IPVS: ftp: loaded support on port[0] = 21 [ 41.942715][ T7029] IPVS: ftp: loaded support on port[0] = 21 [ 41.942751][ T7024] IPVS: ftp: loaded support on port[0] = 21 [ 41.959146][ T7026] IPVS: ftp: loaded support on port[0] = 21 [ 41.970488][ T7028] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.656832][T12239] ------------[ cut here ]------------ [ 52.662326][T12239] DEBUG_LOCKS_WARN_ON(1) [ 52.662374][T12239] WARNING: CPU: 1 PID: 12239 at kernel/locking/lockdep.c:183 __lock_acquire+0x8e4/0x2b90 [ 52.676371][T12239] Kernel panic - not syncing: panic_on_warn set ... [ 52.682970][T12239] CPU: 1 PID: 12239 Comm: syz-executor479 Not tainted 5.6.0-syzkaller #0 [ 52.691351][T12239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.701389][T12239] Call Trace: [ 52.704658][T12239] dump_stack+0x1e9/0x30e [ 52.708987][T12239] panic+0x264/0x7a0 [ 52.712856][T12239] ? __warn+0x102/0x210 [ 52.717121][T12239] ? __lock_acquire+0x8e4/0x2b90 [ 52.722063][T12239] __warn+0x209/0x210 [ 52.726025][T12239] ? __lock_acquire+0x8e4/0x2b90 [ 52.730968][T12239] report_bug+0x1ac/0x2d0 [ 52.735271][T12239] do_error_trap+0xca/0x1c0 [ 52.739752][T12239] do_invalid_op+0x32/0x40 [ 52.744142][T12239] ? __lock_acquire+0x8e4/0x2b90 [ 52.749048][T12239] invalid_op+0x23/0x30 [ 52.753177][T12239] RIP: 0010:__lock_acquire+0x8e4/0x2b90 [ 52.758711][T12239] Code: 25 53 13 08 00 0f 85 bf fe ff ff 48 c7 c7 c9 4a e5 88 48 c7 c6 0b 16 ea 88 31 c0 e8 96 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 d0 6b [ 52.778400][T12239] RSP: 0018:ffffc90004157790 EFLAGS: 00010046 [ 52.784442][T12239] RAX: a6653ee74a817d00 RBX: 000000000000063f RCX: ffff8880a161c200 [ 52.792513][T12239] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff815cab06 [ 52.800461][T12239] RBP: ffffc900041578f8 R08: ffffffff8178eeb6 R09: fffffbfff125c9c9 [ 52.808403][T12239] R10: fffffbfff125c9c9 R11: 0000000000000000 R12: 0000000000000004 [ 52.816346][T12239] R13: 1ffffffff16aa39e R14: ffff8880a161cb10 R15: 0000000000000001 [ 52.824302][T12239] ? trace_hardirqs_off+0x16/0x70 [ 52.829306][T12239] ? vprintk_emit+0x1b6/0x3b0 [ 52.834741][T12239] lock_acquire+0x169/0x480 [ 52.839227][T12239] ? finish_lock_switch+0x1/0x30 [ 52.844221][T12239] finish_lock_switch+0x21/0x30 [ 52.849124][T12239] ? finish_lock_switch+0x1/0x30 [ 52.854042][T12239] finish_task_switch+0x24f/0x550 [ 52.859060][T12239] __schedule+0x80d/0xc90 [ 52.863370][T12239] preempt_schedule_irq+0xca/0x150 [ 52.868454][T12239] retint_kernel+0x1b/0x2b [ 52.872846][T12239] RIP: 0010:lock_acquire+0x1c7/0x480 [ 52.878188][T12239] Code: c1 e8 03 80 3c 10 00 74 0c 48 c7 c7 30 a0 2b 89 e8 5e a2 58 00 48 83 3d f6 2f 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 [ 52.897771][T12239] RSP: 0018:ffffc90004157ba0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 52.906172][T12239] RAX: 1ffffffff1257406 RBX: 1ffff110142c3958 RCX: dffffc0000000000 [ 52.914134][T12239] RDX: dffffc0000000000 RSI: ffffffff8ad6a208 RDI: 0000000000000286 [ 52.922093][T12239] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff16a99d9 [ 52.930035][T12239] R10: fffffbfff16a99d9 R11: 0000000000000000 R12: 0000000000000000 [ 52.937989][T12239] R13: 0000000000000000 R14: ffff8880a161cac4 R15: ffff88809e15a138 [ 52.946125][T12239] flush_workqueue+0x125/0x15a0 [ 52.951062][T12239] ? flush_workqueue+0x104/0x15a0 [ 52.956072][T12239] hci_dev_open+0x205/0x2d0 [ 52.960551][T12239] hci_sock_bind+0x15ba/0x1aa0 [ 52.965290][T12239] ? __might_fault+0xf5/0x150 [ 52.969941][T12239] __sys_bind+0x283/0x360 [ 52.974253][T12239] ? rcu_read_lock_sched_held+0x106/0x170 [ 52.979941][T12239] ? __fpregs_load_activate+0x168/0x1f0 [ 52.985471][T12239] ? trace_irq_disable_rcuidle+0x1f/0x1d0 [ 52.991157][T12239] ? entry_SYSCALL_64_after_hwframe+0x3e/0xb3 [ 52.997201][T12239] __x64_sys_bind+0x76/0x80 [ 53.001697][T12239] do_syscall_64+0xf3/0x1b0 [ 53.006282][T12239] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.012206][T12239] RIP: 0033:0x4469f9 [ 53.016076][T12239] Code: e8 6c e7 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 db 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.035661][T12239] RSP: 002b:00007fe4cbb32d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 53.044090][T12239] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 00000000004469f9 [ 53.052039][T12239] RDX: 0000000000000006 RSI: 0000000020000080 RDI: 0000000000000005 [ 53.060003][T12239] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 53.067955][T12239] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 53.075909][T12239] R13: 0000000000000005 R14: 0000000000000004 R15: 00007fe4cbb336d0 [ 54.200115][T12239] Shutting down cpus with NMI [ 54.206265][T12239] Kernel Offset: disabled [ 54.210582][T12239] Rebooting in 86400 seconds..