[....] 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. [ 67.037845][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 67.037855][ T26] audit: type=1800 audit(1567051562.699:29): pid=9825 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 [ 67.072836][ T26] audit: type=1800 audit(1567051562.699:30): pid=9825 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 '10.128.1.13' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 89.220501][ T9977] IPVS: ftp: loaded support on port[0] = 21 [ 89.244017][ T12] rxrpc: Assertion failed [ 89.248811][ T12] ------------[ cut here ]------------ [ 89.254293][ T12] kernel BUG at net/rxrpc/local_object.c:433! [ 89.260532][ T12] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 89.266596][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc6+ #179 [ 89.274391][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.284480][ T12] Workqueue: krxrpcd rxrpc_local_processor [ 89.290454][ T12] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 89.296774][ 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 [ 89.316528][ T12] RSP: 0018:ffff8880a98d7ce8 EFLAGS: 00010282 [ 89.322804][ T12] RAX: 0000000000000017 RBX: ffff8880911b8078 RCX: 0000000000000000 [ 89.331422][ T12] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed101531af8f [ 89.339397][ T12] RBP: ffff8880a98d7d30 R08: 0000000000000017 R09: fffffbfff11b42ed [ 89.348557][ T12] R10: fffffbfff11b42ec R11: ffffffff88da1763 R12: ffff888092ba3848 [ 89.356575][ T12] R13: ffff88809ac88608 R14: ffff8880911b8040 R15: ffff888092ebe000 [ 89.364976][ T12] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 89.373902][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.380571][ T12] CR2: 0000000020000040 CR3: 00000000a20df000 CR4: 00000000001406f0 [ 89.388671][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.396674][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.404732][ T12] Call Trace: [ 89.408147][ T12] process_one_work+0x9af/0x1740 [ 89.413270][ T12] ? pwq_dec_nr_in_flight+0x320/0x320 [ 89.418968][ T12] ? lock_acquire+0x190/0x410 [ 89.424538][ T12] worker_thread+0x98/0xe40 [ 89.429376][ T12] ? trace_hardirqs_on+0x67/0x240 [ 89.434407][ T12] kthread+0x361/0x430 [ 89.438485][ T12] ? process_one_work+0x1740/0x1740 [ 89.443719][ T12] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 89.450015][ T12] ret_from_fork+0x24/0x30 [ 89.454584][ T12] Modules linked in: [ 89.458964][ T12] ---[ end trace adf0e4880cf65f2a ]--- [ 89.464687][ T12] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 89.471313][ 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 [ 89.491315][ T12] RSP: 0018:ffff8880a98d7ce8 EFLAGS: 00010282 [ 89.497620][ T12] RAX: 0000000000000017 RBX: ffff8880911b8078 RCX: 0000000000000000 [ 89.505927][ T12] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed101531af8f [ 89.513900][ T12] RBP: ffff8880a98d7d30 R08: 0000000000000017 R09: fffffbfff11b42ed [ 89.522171][ T12] R10: fffffbfff11b42ec R11: ffffffff88da1763 R12: ffff888092ba3848 [ 89.531342][ T12] R13: ffff88809ac88608 R14: ffff8880911b8040 R15: ffff888092ebe000 [ 89.539529][ T12] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 89.548793][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.555601][ T12] CR2: 0000000020000040 CR3: 00000000a20df000 CR4: 00000000001406f0 [ 89.563926][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.572017][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.580093][ T12] Kernel panic - not syncing: Fatal exception [ 89.587917][ T12] Kernel Offset: disabled [ 89.592675][ T12] Rebooting in 86400 seconds..