[....] 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. [ 61.207610][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 61.207620][ T26] audit: type=1800 audit(1567031839.223:29): pid=9547 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 [ 61.241281][ T26] audit: type=1800 audit(1567031839.223:30): pid=9547 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 '10.128.10.26' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.154623][ T9701] IPVS: ftp: loaded support on port[0] = 21 [ 68.178049][ T12] rxrpc: Assertion failed [ 68.182818][ T12] ------------[ cut here ]------------ [ 68.188259][ T12] kernel BUG at net/rxrpc/local_object.c:433! [ 68.194373][ T12] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 68.200423][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc6+ #179 [ 68.207935][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.217980][ T12] Workqueue: krxrpcd rxrpc_local_processor [ 68.223774][ T12] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 68.230074][ T12] Code: 3f 74 c0 fa 0f 0b e8 f4 d4 d6 fa 48 c7 c7 e0 59 3a 88 e8 2c 74 c0 fa 0f 0b e8 e1 d4 d6 fa 48 c7 c7 e0 59 3a 88 e8 19 74 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 68.249659][ T12] RSP: 0018:ffff8880a98d7ce8 EFLAGS: 00010282 [ 68.255694][ T12] RAX: 0000000000000017 RBX: ffff888093041b38 RCX: 0000000000000000 [ 68.263634][ T12] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed101531af8f [ 68.271578][ T12] RBP: ffff8880a98d7d30 R08: 0000000000000017 R09: ffffed1015d060d1 [ 68.279537][ T12] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff8880930413c8 [ 68.287481][ T12] R13: ffff888088bd8688 R14: ffff888093041b00 R15: ffff888092bc7000 [ 68.295425][ T12] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 68.304340][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.310901][ T12] CR2: 0000000020000080 CR3: 0000000008c6d000 CR4: 00000000001406f0 [ 68.319321][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.327267][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.335215][ T12] Call Trace: [ 68.338496][ T12] process_one_work+0x9af/0x1740 [ 68.343412][ T12] ? pwq_dec_nr_in_flight+0x320/0x320 [ 68.348907][ T12] ? lock_acquire+0x190/0x410 [ 68.353561][ T12] worker_thread+0x98/0xe40 [ 68.358211][ T12] ? trace_hardirqs_on+0x67/0x240 [ 68.363209][ T12] kthread+0x361/0x430 [ 68.367247][ T12] ? process_one_work+0x1740/0x1740 [ 68.372413][ T12] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 68.378627][ T12] ret_from_fork+0x24/0x30 [ 68.383015][ T12] Modules linked in: [ 68.387156][ T12] ---[ end trace d21410e4ec669b83 ]--- [ 68.392612][ T12] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 68.398956][ T12] Code: 3f 74 c0 fa 0f 0b e8 f4 d4 d6 fa 48 c7 c7 e0 59 3a 88 e8 2c 74 c0 fa 0f 0b e8 e1 d4 d6 fa 48 c7 c7 e0 59 3a 88 e8 19 74 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 68.418576][ T12] RSP: 0018:ffff8880a98d7ce8 EFLAGS: 00010282 [ 68.424704][ T12] RAX: 0000000000000017 RBX: ffff888093041b38 RCX: 0000000000000000 [ 68.432699][ T12] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed101531af8f [ 68.440689][ T12] RBP: ffff8880a98d7d30 R08: 0000000000000017 R09: ffffed1015d060d1 [ 68.448852][ T12] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff8880930413c8 [ 68.456840][ T12] R13: ffff888088bd8688 R14: ffff888093041b00 R15: ffff888092bc7000 [ 68.464794][ T12] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 68.473724][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.480756][ T12] CR2: 0000000020000080 CR3: 0000000008c6d000 CR4: 00000000001406f0 [ 68.488728][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.496678][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.504664][ T12] Kernel panic - not syncing: Fatal exception [ 68.511845][ T12] Kernel Offset: disabled [ 68.516165][ T12] Rebooting in 86400 seconds..