[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.268153][ T26] audit: type=1800 audit(1567037960.273:25): pid=8700 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.313812][ T26] audit: type=1800 audit(1567037960.273:26): pid=8700 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.364193][ T26] audit: type=1800 audit(1567037960.283:27): pid=8700 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 '10.128.0.181' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.384299][ T8853] IPVS: ftp: loaded support on port[0] = 21 [ 70.428200][ T2911] rxrpc: Assertion failed [ 70.432965][ T2911] ------------[ cut here ]------------ [ 70.438421][ T2911] kernel BUG at net/rxrpc/local_object.c:433! [ 70.445228][ T2911] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 70.451418][ T2911] CPU: 1 PID: 2911 Comm: kworker/1:2 Not tainted 5.3.0-rc5+ #151 [ 70.459129][ T2911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.469183][ T2911] Workqueue: krxrpcd rxrpc_local_processor [ 70.474977][ T2911] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 70.481435][ T2911] 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 [ 70.501643][ T2911] RSP: 0018:ffff8880a05e7ce8 EFLAGS: 00010282 [ 70.507713][ T2911] RAX: 0000000000000017 RBX: ffff8880a316e4b8 RCX: 0000000000000000 [ 70.515943][ T2911] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed10140bcf8f [ 70.523916][ T2911] RBP: ffff8880a05e7d30 R08: 0000000000000017 R09: ffffed1015d260d1 [ 70.531869][ T2911] R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: ffff888098fe2f48 [ 70.539832][ T2911] R13: ffff88809ce40608 R14: ffff8880a316e480 R15: ffff8880880c3080 [ 70.547794][ T2911] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 70.556711][ T2911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.563269][ T2911] CR2: 0000000020000040 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 70.571231][ T2911] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.579180][ T2911] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.587130][ T2911] Call Trace: [ 70.590508][ T2911] process_one_work+0x9af/0x1740 [ 70.595433][ T2911] ? pwq_dec_nr_in_flight+0x320/0x320 [ 70.600786][ T2911] ? lock_acquire+0x190/0x410 [ 70.605442][ T2911] worker_thread+0x98/0xe40 [ 70.609924][ T2911] ? trace_hardirqs_on+0x67/0x240 [ 70.614940][ T2911] kthread+0x361/0x430 [ 70.618983][ T2911] ? process_one_work+0x1740/0x1740 [ 70.624157][ T2911] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 70.630398][ T2911] ret_from_fork+0x24/0x30 [ 70.634793][ T2911] Modules linked in: [ 70.639386][ T2911] ---[ end trace ea585035a02ebcd7 ]--- [ 70.644921][ T2911] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 70.651236][ T2911] 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 [ 70.670912][ T2911] RSP: 0018:ffff8880a05e7ce8 EFLAGS: 00010282 [ 70.677031][ T2911] RAX: 0000000000000017 RBX: ffff8880a316e4b8 RCX: 0000000000000000 [ 70.685045][ T2911] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed10140bcf8f [ 70.693080][ T2911] RBP: ffff8880a05e7d30 R08: 0000000000000017 R09: ffffed1015d260d1 [ 70.701166][ T2911] R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: ffff888098fe2f48 [ 70.709167][ T2911] R13: ffff88809ce40608 R14: ffff8880a316e480 R15: ffff8880880c3080 [ 70.717171][ T2911] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 70.726293][ T2911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.732851][ T2911] CR2: 0000000020000040 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 70.740927][ T2911] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.748915][ T2911] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.757430][ T2911] Kernel panic - not syncing: Fatal exception [ 70.765467][ T2911] Kernel Offset: disabled [ 70.770241][ T2911] Rebooting in 86400 seconds..