[....] 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. [ 63.988079][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 63.988090][ T26] audit: type=1800 audit(1567072012.918:29): pid=9676 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 [ 64.021561][ T26] audit: type=1800 audit(1567072012.918:30): pid=9676 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 '10.128.0.14' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.894055][ T9830] IPVS: ftp: loaded support on port[0] = 21 [ 73.916706][ T22] rxrpc: Assertion failed [ 73.921520][ T22] ------------[ cut here ]------------ [ 73.926976][ T22] kernel BUG at net/rxrpc/local_object.c:433! [ 73.933119][ T22] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 73.939177][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.3.0-rc6+ #147 [ 73.946705][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.956761][ T22] Workqueue: krxrpcd rxrpc_local_processor [ 73.962546][ T22] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 73.968852][ T22] Code: 9f 85 c0 fa 0f 0b e8 54 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 8c 85 c0 fa 0f 0b e8 41 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 79 85 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 73.988437][ T22] RSP: 0018:ffff8880a9a47ce8 EFLAGS: 00010282 [ 73.994492][ T22] RAX: 0000000000000017 RBX: ffff8880909ca938 RCX: 0000000000000000 [ 74.002443][ T22] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed1015348f8f [ 74.010390][ T22] RBP: ffff8880a9a47d30 R08: 0000000000000017 R09: fffffbfff11b42ed [ 74.018513][ T22] R10: fffffbfff11b42ec R11: ffffffff88da1763 R12: ffff8880a3df7408 [ 74.026458][ T22] R13: ffff888093880608 R14: ffff8880909ca900 R15: ffff88808a4c6040 [ 74.034406][ T22] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 74.043308][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.049867][ T22] CR2: 0000000020000080 CR3: 0000000008c6d000 CR4: 00000000001406e0 [ 74.057835][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.065784][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.073739][ T22] Call Trace: [ 74.077016][ T22] process_one_work+0x9af/0x1740 [ 74.081930][ T22] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.087286][ T22] ? lock_acquire+0x190/0x410 [ 74.091939][ T22] worker_thread+0x98/0xe40 [ 74.096419][ T22] ? trace_hardirqs_on+0x67/0x240 [ 74.101421][ T22] kthread+0x361/0x430 [ 74.105465][ T22] ? process_one_work+0x1740/0x1740 [ 74.110637][ T22] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 74.116851][ T22] ret_from_fork+0x24/0x30 [ 74.121255][ T22] Modules linked in: [ 74.125780][ T22] ---[ end trace 69e8f0eb69e544a5 ]--- [ 74.131405][ T22] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 74.137749][ T22] Code: 9f 85 c0 fa 0f 0b e8 54 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 8c 85 c0 fa 0f 0b e8 41 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 79 85 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 74.157397][ T22] RSP: 0018:ffff8880a9a47ce8 EFLAGS: 00010282 [ 74.163440][ T22] RAX: 0000000000000017 RBX: ffff8880909ca938 RCX: 0000000000000000 [ 74.171436][ T22] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed1015348f8f [ 74.179441][ T22] RBP: ffff8880a9a47d30 R08: 0000000000000017 R09: fffffbfff11b42ed [ 74.187439][ T22] R10: fffffbfff11b42ec R11: ffffffff88da1763 R12: ffff8880a3df7408 [ 74.195414][ T22] R13: ffff888093880608 R14: ffff8880909ca900 R15: ffff88808a4c6040 [ 74.203418][ T22] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 74.212376][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.218971][ T22] CR2: ffffffffff600400 CR3: 000000009b723000 CR4: 00000000001406e0 [ 74.226931][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.234917][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.242900][ T22] Kernel panic - not syncing: Fatal exception [ 74.250166][ T22] Kernel Offset: disabled [ 74.254515][ T22] Rebooting in 86400 seconds..