[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 67.067849][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 67.067861][ T26] audit: type=1800 audit(1567425547.428:29): pid=9768 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 67.096990][ T26] audit: type=1800 audit(1567425547.438:30): pid=9768 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.142' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.062395][ T9923] IPVS: ftp: loaded support on port[0] = 21 [ 77.091826][ T3014] rxrpc: Assertion failed [ 77.096590][ T3014] ------------[ cut here ]------------ [ 77.104309][ T3014] kernel BUG at net/rxrpc/local_object.c:433! [ 77.111585][ T3014] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 77.117747][ T3014] CPU: 1 PID: 3014 Comm: kworker/1:2 Not tainted 5.3.0-rc6+ #130 [ 77.125439][ T3014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.135818][ T3014] Workqueue: krxrpcd rxrpc_local_processor [ 77.141654][ T3014] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 77.147963][ T3014] Code: bf 65 c0 fa 0f 0b e8 64 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 ac 65 c0 fa 0f 0b e8 51 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 99 65 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 77.167558][ T3014] RSP: 0018:ffff88809f8cfce8 EFLAGS: 00010282 [ 77.173688][ T3014] RAX: 0000000000000017 RBX: ffff888095d756f8 RCX: 0000000000000000 [ 77.181659][ T3014] RDX: 0000000000000000 RSI: ffffffff815c26f6 RDI: ffffed1013f19f8f [ 77.189699][ T3014] RBP: ffff88809f8cfd30 R08: 0000000000000017 R09: ffffed1015d260d1 [ 77.197649][ T3014] R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: ffff888095d74f88 [ 77.205601][ T3014] R13: ffff8880a8278688 R14: ffff888095d756c0 R15: ffff8880957b5a40 [ 77.213747][ T3014] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.222677][ T3014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.229237][ T3014] CR2: 00000000004c6288 CR3: 0000000008c6d000 CR4: 00000000001406e0 [ 77.237185][ T3014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.245131][ T3014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.253080][ T3014] Call Trace: [ 77.256359][ T3014] process_one_work+0x9af/0x1740 [ 77.261279][ T3014] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.266630][ T3014] ? lock_acquire+0x190/0x410 [ 77.271301][ T3014] worker_thread+0x98/0xe40 [ 77.275791][ T3014] ? trace_hardirqs_on+0x67/0x240 [ 77.280799][ T3014] kthread+0x361/0x430 [ 77.284866][ T3014] ? process_one_work+0x1740/0x1740 [ 77.290041][ T3014] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 77.296264][ T3014] ret_from_fork+0x24/0x30 [ 77.300674][ T3014] Modules linked in: [ 77.304942][ T3014] ---[ end trace 9bc5f11d690ce144 ]--- [ 77.310686][ T3014] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 77.317082][ T3014] Code: bf 65 c0 fa 0f 0b e8 64 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 ac 65 c0 fa 0f 0b e8 51 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 99 65 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 77.337045][ T3014] RSP: 0018:ffff88809f8cfce8 EFLAGS: 00010282 [ 77.343129][ T3014] RAX: 0000000000000017 RBX: ffff888095d756f8 RCX: 0000000000000000 [ 77.351256][ T3014] RDX: 0000000000000000 RSI: ffffffff815c26f6 RDI: ffffed1013f19f8f [ 77.359270][ T3014] RBP: ffff88809f8cfd30 R08: 0000000000000017 R09: ffffed1015d260d1 [ 77.367268][ T3014] R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: ffff888095d74f88 [ 77.375497][ T3014] R13: ffff8880a8278688 R14: ffff888095d756c0 R15: ffff8880957b5a40 [ 77.383507][ T3014] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.392514][ T3014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.399196][ T3014] CR2: 00000000004c6288 CR3: 0000000008c6d000 CR4: 00000000001406e0 [ 77.407265][ T3014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.415360][ T3014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.423946][ T3014] Kernel panic - not syncing: Fatal exception [ 77.431316][ T3014] Kernel Offset: disabled [ 77.435638][ T3014] Rebooting in 86400 seconds..