[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.375053][ T27] audit: type=1800 audit(1567042555.658:25): pid=8429 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.421005][ T27] audit: type=1800 audit(1567042555.658:26): pid=8429 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.475223][ T27] audit: type=1800 audit(1567042555.668:27): pid=8429 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.377799][ T8585] IPVS: ftp: loaded support on port[0] = 21 [ 67.411039][ T3516] rxrpc: Assertion failed [ 67.416102][ T3516] ------------[ cut here ]------------ [ 67.421566][ T3516] kernel BUG at net/rxrpc/local_object.c:433! [ 67.427970][ T3516] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 67.434311][ T3516] CPU: 1 PID: 3516 Comm: kworker/1:2 Not tainted 5.3.0-rc5+ #151 [ 67.442654][ T3516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.452923][ T3516] Workqueue: krxrpcd rxrpc_local_processor [ 67.458718][ T3516] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 67.465022][ T3516] Code: 5f 0d bf fa 0f 0b e8 84 6c d5 fa 48 c7 c7 e0 76 5a 88 e8 4c 0d bf fa 0f 0b e8 71 6c d5 fa 48 c7 c7 e0 76 5a 88 e8 39 0d bf fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 67.490847][ T3516] RSP: 0018:ffff88809c48fce8 EFLAGS: 00010282 [ 67.496950][ T3516] RAX: 0000000000000017 RBX: ffff88808c4604f8 RCX: 0000000000000000 [ 67.504902][ T3516] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed1013891f8f [ 67.512938][ T3516] RBP: ffff88809c48fd30 R08: 0000000000000017 R09: fffffbfff14e9556 [ 67.521020][ T3516] R10: fffffbfff14e9555 R11: ffffffff8a74aaaf R12: ffff888086311cc8 [ 67.529002][ T3516] R13: ffff88808c308608 R14: ffff88808c4604c0 R15: ffff8880a1b43580 [ 67.537393][ T3516] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 67.546334][ T3516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.553097][ T3516] CR2: 0000000020000040 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 67.561483][ T3516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.569781][ T3516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.578224][ T3516] Call Trace: [ 67.581853][ T3516] process_one_work+0x9af/0x1740 [ 67.586809][ T3516] ? pwq_dec_nr_in_flight+0x320/0x320 [ 67.592172][ T3516] ? lock_acquire+0x190/0x410 [ 67.596835][ T3516] worker_thread+0x98/0xe40 [ 67.601454][ T3516] ? trace_hardirqs_on+0x67/0x240 [ 67.606474][ T3516] kthread+0x361/0x430 [ 67.610525][ T3516] ? process_one_work+0x1740/0x1740 [ 67.615703][ T3516] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 67.622120][ T3516] ret_from_fork+0x24/0x30 [ 67.626627][ T3516] Modules linked in: [ 67.631615][ T3516] ---[ end trace 05b478cacadfe4eb ]--- [ 67.637184][ T3516] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 67.643544][ T3516] Code: 5f 0d bf fa 0f 0b e8 84 6c d5 fa 48 c7 c7 e0 76 5a 88 e8 4c 0d bf fa 0f 0b e8 71 6c d5 fa 48 c7 c7 e0 76 5a 88 e8 39 0d bf fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 67.663297][ T3516] RSP: 0018:ffff88809c48fce8 EFLAGS: 00010282 [ 67.670436][ T3516] RAX: 0000000000000017 RBX: ffff88808c4604f8 RCX: 0000000000000000 [ 67.678881][ T3516] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed1013891f8f [ 67.707431][ T3516] RBP: ffff88809c48fd30 R08: 0000000000000017 R09: fffffbfff14e9556 [ 67.715990][ T3516] R10: fffffbfff14e9555 R11: ffffffff8a74aaaf R12: ffff888086311cc8 [ 67.724121][ T3516] R13: ffff88808c308608 R14: ffff88808c4604c0 R15: ffff8880a1b43580 [ 67.733136][ T3516] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 67.742801][ T3516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.749457][ T3516] CR2: 0000000020000040 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 67.757464][ T3516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.765647][ T3516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.774122][ T3516] Kernel panic - not syncing: Fatal exception [ 67.782103][ T3516] Kernel Offset: disabled [ 67.787143][ T3516] Rebooting in 86400 seconds..