[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 61.013063][ T26] audit: type=1800 audit(1567036462.308:25): pid=8477 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 61.035897][ T26] audit: type=1800 audit(1567036462.318:26): pid=8477 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 61.099352][ T26] audit: type=1800 audit(1567036462.318:27): pid=8477 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 '10.128.1.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 89.346094][ T8634] IPVS: ftp: loaded support on port[0] = 21 [ 89.376829][ T12] rxrpc: Assertion failed [ 89.382232][ T12] ------------[ cut here ]------------ [ 89.387698][ T12] kernel BUG at net/rxrpc/local_object.c:433! [ 89.394154][ T12] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 89.400398][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc5+ #151 [ 89.407943][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.418000][ T12] Workqueue: krxrpcd rxrpc_local_processor [ 89.423912][ T12] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 89.430264][ T12] 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 [ 89.449965][ T12] RSP: 0018:ffff8880a98d7ce8 EFLAGS: 00010282 [ 89.456147][ T12] RAX: 0000000000000017 RBX: ffff8880832be038 RCX: 0000000000000000 [ 89.464191][ T12] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed101531af8f [ 89.472146][ T12] RBP: ffff8880a98d7d30 R08: 0000000000000017 R09: ffffed1015d060d1 [ 89.480158][ T12] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff888083203888 [ 89.488122][ T12] R13: ffff88809f8b0708 R14: ffff8880832be000 R15: ffff88808979f580 [ 89.496218][ T12] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 89.505126][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.511763][ T12] CR2: 0000000020000080 CR3: 000000009819a000 CR4: 00000000001406f0 [ 89.519726][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.527683][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.535636][ T12] Call Trace: [ 89.538921][ T12] process_one_work+0x9af/0x1740 [ 89.543860][ T12] ? pwq_dec_nr_in_flight+0x320/0x320 [ 89.549215][ T12] ? lock_acquire+0x190/0x410 [ 89.553988][ T12] worker_thread+0x98/0xe40 [ 89.558470][ T12] ? trace_hardirqs_on+0x67/0x240 [ 89.563478][ T12] kthread+0x361/0x430 [ 89.567536][ T12] ? process_one_work+0x1740/0x1740 [ 89.572855][ T12] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 89.579178][ T12] ret_from_fork+0x24/0x30 [ 89.583571][ T12] Modules linked in: [ 89.587743][ T12] ---[ end trace e0ceee994481e93e ]--- [ 89.593206][ T12] RIP: 0010:rxrpc_local_pr