[   53.297335] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.303812] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.324188] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.324202] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.364277] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.370790] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.404202] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.410701] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.417173] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.423638] bridge0: port 2(bridge_slave_1) entered forwarding state
Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts.
[  496.995777] general protection fault: 0000 [#1] PREEMPT SMP 
[  497.001994] Modules linked in:
[  497.005314] CPU: 0 PID: 16729 Comm: syz-executor467 Not tainted 4.1.0-syzkaller #0
[  497.012999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  497.022334] task: ffff88012abb0310 ti: ffff8800b4dcc000 task.ti: ffff8800b4dcc000
[  497.029941] RIP: 0010:[<ffffffff811c341b>]  [<ffffffff811c341b>] __lock_acquire+0x2db/0x1c70
[  497.038624] RSP: 0018:ffff8800b4dcfa68  EFLAGS: 00010086
[  497.044043] RAX: 0000000000000000 RBX: dead4ead00000000 RCX: 0000000000000000
[  497.051282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[  497.058530] RBP: ffff8800b4dcfb28 R08: 0000000000000001 R09: 0000000000000000
[  497.065770] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  497.073011] R13: 0000000000000000 R14: ffff88012a1ca028 R15: ffff88012abb0310
[  497.080255] FS:  0000000000000000(0000) GS:ffff88012c000000(0000) knlGS:0000000000000000
[  497.088452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  497.094303] CR2: 00007f307fdd0000 CR3: 00000000b97d1000 CR4: 00000000001407f0
[  497.101558] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  497.108811] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  497.116052] Stack:
[  497.118172]  ffff8800b4dcfae8 ffff88012abb0310 ffffffff827912bb ffff8800b8966410
[  497.126163]  0000000000000000 0000000000000000 ffff880000000000 ffffffff00000000
[  497.134163]  ffff88012c017fc0 ffff88012c017fc0 ffff8800b4dcfac8 ffffffff811c2bcd
[  497.142160] Call Trace:
[  497.144721]  [<ffffffff827912bb>] ? _raw_spin_unlock_irq+0x2b/0x70
[  497.151011]  [<ffffffff811c2bcd>] ? trace_hardirqs_on+0xd/0x10
[  497.156953]  [<ffffffff811c5876>] lock_acquire+0xe6/0x310
[  497.162461]  [<ffffffff8118a320>] ? work_busy+0x120/0x120
[  497.167977]  [<ffffffff8118a35a>] flush_work+0x3a/0x320
[  497.173319]  [<ffffffff8118a320>] ? work_busy+0x120/0x120
[  497.178840]  [<ffffffff811c2975>] ? mark_held_locks+0x75/0xc0
[  497.184697]  [<ffffffff8118bd8d>] ? __cancel_work_timer+0xbd/0x210
[  497.190997]  [<ffffffff8118bdaa>] __cancel_work_timer+0xda/0x210
[  497.197110]  [<ffffffff811d7ea2>] ? console_unlock+0x1e2/0x570
[  497.203052]  [<ffffffff8118beeb>] cancel_work_sync+0xb/0x10
[  497.208733]  [<ffffffff81afb34a>] release_tty+0x8a/0x120
[  497.214154]  [<ffffffff81afb7ca>] tty_release+0x3ea/0x570
[  497.219662]  [<ffffffff8119a3c5>] ? ___might_sleep+0x205/0x270
[  497.225602]  [<ffffffff8130020d>] __fput+0xed/0x250
[  497.230586]  [<ffffffff813003b9>] ____fput+0x9/0x10
[  497.235569]  [<ffffffff81191944>] task_work_run+0xc4/0xf0
[  497.241076]  [<ffffffff8116fe3e>] do_exit+0x35e/0xca0
[  497.246238]  [<ffffffff811be40e>] ? up_read+0x1e/0x40
[  497.251401]  [<ffffffff810cfbe7>] ? __do_page_fault+0x1a7/0x440
[  497.257426]  [<ffffffff8117080b>] do_group_exit+0x4b/0xc0
[  497.262932]  [<ffffffff8117088f>] SyS_exit_group+0xf/0x10
[  497.268437]  [<ffffffff82791a32>] system_call_fastpath+0x16/0x7a
[  497.274561] Code: 49 81 3e 40 f9 63 83 b8 00 00 00 00 44 0f 44 e0 41 83 fd 01 0f 87 aa fd ff ff 44 89 e8 49 8b 5c c6 08 48 85 db 0f 84 99 fd ff ff <f0> ff 83 98 01 00 00 8b 05 30 48 11 03 41 8b 8f 60 08 00 00 85 
[  497.301545] RIP  [<ffffffff811c341b>] __lock_acquire+0x2db/0x1c70
[  497.307874]  RSP <ffff8800b4dcfa68>
[  497.311478] ---[ end trace cd85fd3a3b098d83 ]---
[  497.316205] Kernel panic - not syncing: Fatal exception
[  497.322833] Kernel Offset: disabled