[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.150020][ T26] audit: type=1800 audit(1567044880.783:25): pid=8603 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.198537][ T26] audit: type=1800 audit(1567044880.783:26): pid=8603 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.237505][ T26] audit: type=1800 audit(1567044880.783:27): pid=8603 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 '10.128.0.223' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.236453][ T8760] IPVS: ftp: loaded support on port[0] = 21 [ 70.267343][ T3014] rxrpc: Assertion failed [ 70.272442][ T3014] ------------[ cut here ]------------ [ 70.277914][ T3014] kernel BUG at net/rxrpc/local_object.c:433! [ 70.284329][ T3014] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 70.290403][ T3014] CPU: 0 PID: 3014 Comm: kworker/0:2 Not tainted 5.3.0-rc5+ #151 [ 70.298103][ T3014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.308156][ T3014] Workqueue: krxrpcd rxrpc_local_processor [ 70.313946][ T3014] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 70.320362][ T3014] 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 [ 70.339945][ T3014] RSP: 0018:ffff88809f80fce8 EFLAGS: 00010282 [ 70.345997][ T3014] RAX: 0000000000000017 RBX: ffff8880a93d96b8 RCX: 0000000000000000 [ 70.353959][ T3014] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed1013f01f8f [ 70.361923][ T3014] RBP: ffff88809f80fd30 R08: 0000000000000017 R09: fffffbfff14e9556 [ 70.369883][ T3014] R10: fffffbfff14e9555 R11: ffffffff8a74aaaf R12: ffff8880a93d8f48 [ 70.377837][ T3014] R13: ffff88808e058608 R14: ffff8880a93d9680 R15: ffff888089848a40 [ 70.385789][ T3014] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 70.394694][ T3014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.401264][ T3014] CR2: 0000000020000040 CR3: 0000000008e6d000 CR4: 00000000001406f0 [ 70.409274][ T3014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.417237][ T3014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.425192][ T3014] Call Trace: [ 70.428528][ T3014] process_one_work+0x9af/0x1740 [ 70.433465][ T3014] ? pwq_dec_nr_in_flight+0x320/0x320 [ 70.438821][ T3014] ? lock_acquire+0x190/0x410 [ 70.443480][ T3014] worker_thread+0x98/0xe40 [ 70.447978][ T3014] ? trace_hardirqs_on+0x67/0x240 [ 70.452999][ T3014] kthread+0x361/0x430 [ 70.457052][ T3014] ? process_one_work+0x1740/0x1740 [ 70.462245][ T3014] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 70.468476][ T3014] ret_from_fork+0x24/0x30 [ 70.472880][ T3014] Modules linked in: [ 70.477096][ T3014] ---[ end trace 761215800c49de45 ]--- [ 70.482657][ T3014] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 70.489074][ T3014] 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 [ 70.508721][ T3014] RSP: 0018:ffff88809f80fce8 EFLAGS: 00010282 [ 70.514773][ T3014] RAX: 0000000000000017 RBX: ffff8880a93d96b8 RCX: 0000000000000000 [ 70.522914][ T3014] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed1013f01f8f [ 70.530921][ T3014] RBP: ffff88809f80fd30 R08: 0000000000000017 R09: fffffbfff14e9556 [ 70.538936][ T3014] R10: fffffbfff14e9555 R11: ffffffff8a74aaaf R12: ffff8880a93d8f48 [ 70.546902][ T3014] R13: ffff88808e058608 R14: ffff8880a93d9680 R15: ffff888089848a40 [ 70.554912][ T3014] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 70.563875][ T3014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.570491][ T3014] CR2: 0000000020000040 CR3: 0000000008e6d000 CR4: 00000000001406f0 [ 70.578522][ T3014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.586556][ T3014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.594691][ T3014] Kernel panic - not syncing: Fatal exception [ 70.601775][ T3014] Kernel Offset: disabled [ 70.606102][ T3014] Rebooting in 86400 seconds..