[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.209' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 29.356689] IPVS: ftp: loaded support on port[0] = 21 executing program [ 29.393512] IPVS: ftp: loaded support on port[0] = 21 executing program [ 29.428686] IPVS: ftp: loaded support on port[0] = 21 executing program [ 29.466730] IPVS: ftp: loaded support on port[0] = 21 executing program [ 29.502541] IPVS: ftp: loaded support on port[0] = 21 executing program [ 29.540079] IPVS: ftp: loaded support on port[0] = 21 [ 30.339888] rxrpc: AF_RXRPC: Leaked local ffff8880af20edc0 {1} [ 30.346227] ------------[ cut here ]------------ [ 30.351021] kernel BUG at net/rxrpc/local_object.c:408! [ 30.356457] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 30.361850] Modules linked in: [ 30.365055] CPU: 1 PID: 144 Comm: kworker/u4:3 Not tainted 4.14.206-syzkaller #0 [ 30.372581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.381916] Workqueue: netns cleanup_net [ 30.385965] task: ffff8880b531e180 task.stack: ffff8880b5208000 [ 30.391997] RIP: 0010:rxrpc_destroy_all_locals+0xe6/0xf2 [ 30.397510] RSP: 0018:ffff8880b520fc28 EFLAGS: 00010286 [ 30.402847] RAX: dffffc0000000000 RBX: ffff8880a1c28840 RCX: fffffbfff17d65a8 [ 30.410092] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000282 [ 30.417336] RBP: ffff8880a1c28860 R08: ffff8880b531e180 R09: dffffc0000000000 [ 30.424582] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a1c28860 [ 30.431826] R13: ffff8880a1c28870 R14: dffffc0000000000 R15: fffffbfff13c26d3 [ 30.439098] FS: 0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 30.447294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.453148] CR2: 00007fff389ec8c8 CR3: 00000000b5246000 CR4: 00000000001406e0 [ 30.460405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.467660] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.474927] Call Trace: [ 30.477497] rxrpc_exit_net+0x158/0x260 [ 30.481446] ? rxrpc_destroy_all_locals.cold+0x65/0x65 [ 30.486694] ops_exit_list+0xa5/0x150 [ 30.490466] cleanup_net+0x3b3/0x840 [ 30.494155] ? net_drop_ns+0x70/0x70 [ 30.497855] ? lock_acquire+0x170/0x3f0 [ 30.501811] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.507252] process_one_work+0x793/0x14a0 [ 30.511465] ? work_busy+0x320/0x320 [ 30.515156] ? worker_thread+0x158/0xff0 [ 30.519240] ? _raw_spin_unlock_irq+0x24/0x80 [ 30.523714] worker_thread+0x5cc/0xff0 [ 30.527576] ? rescuer_thread+0xc80/0xc80 [ 30.531698] kthread+0x30d/0x420 [ 30.535036] ? kthread_create_on_node+0xd0/0xd0 [ 30.539699] ret_from_fork+0x24/0x30 [ 30.543386] Code: 00 00 00 00 00 fc ff df 48 83 eb 20 e8 e4 dc bc fa 4c 8d 63 20 4c 39 e5 0f 85 52 00 00 00 e8 d2 dc bc fa 4c 89 ef e8 ba 51 85 00 <0f> 0b 48 89 ef e8 10 ad e6 fa eb c0 e8 b9 dc bc fa 48 c7 c7 c0 [ 30.562453] RIP: rxrpc_destroy_all_locals+0xe6/0xf2 RSP: ffff8880b520fc28 [ 30.569996] ---[ end trace 77f14793daef033d ]--- [ 30.574848] Kernel panic - not syncing: Fatal exception [ 30.580810] Kernel Offset: disabled [ 30.584421] Rebooting in 86400 seconds..