[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 55.652787][ T26] audit: type=1800 audit(1567030647.392:25): pid=8548 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.674845][ T26] audit: type=1800 audit(1567030647.392:26): pid=8548 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.695360][ T26] audit: type=1800 audit(1567030647.392:27): pid=8548 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[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.144' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 63.603033][ T8703] IPVS: ftp: loaded support on port[0] = 21 [ 63.634839][ T2897] rxrpc: Assertion failed [ 63.639769][ T2897] ------------[ cut here ]------------ [ 63.645230][ T2897] kernel BUG at net/rxrpc/local_object.c:433! [ 63.651753][ T2897] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 63.657815][ T2897] CPU: 0 PID: 2897 Comm: kworker/0:2 Not tainted 5.3.0-rc5+ #151 [ 63.665505][ T2897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.675544][ T2897] Workqueue: krxrpcd rxrpc_local_processor [ 63.681327][ T2897] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 63.687627][ T2897] 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 [ 63.707201][ T2897] RSP: 0018:ffff8880a0b97ce8 EFLAGS: 00010282 [ 63.713237][ T2897] RAX: 0000000000000017 RBX: ffff88808aac64b8 RCX: 0000000000000000 [ 63.721195][ T2897] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed1014172f8f [ 63.729143][ T2897] RBP: ffff8880a0b97d30 R08: 0000000000000017 R09: fffffbfff14e9556 [ 63.737102][ T2897] R10: fffffbfff14e9555 R11: ffffffff8a74aaaf R12: ffff8880a1db7d08 [ 63.745049][ T2897] R13: ffff888089740688 R14: ffff88808aac6480 R15: ffff8880aa095580 [ 63.753032][ T2897] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 63.761932][ T2897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.768490][ T2897] CR2: 0000000020000040 CR3: 0000000008e6d000 CR4: 00000000001406f0 [ 63.776437][ T2897] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.784381][ T2897] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.792328][ T2897] Call Trace: [ 63.795603][ T2897] process_one_work+0x9af/0x1740 [ 63.800515][ T2897] ? pwq_dec_nr_in_flight+0x320/0x320 [ 63.805874][ T2897] ? lock_acquire+0x190/0x410 [ 63.810527][ T2897] worker_thread+0x98/0xe40 [ 63.815015][ T2897] ? trace_hardirqs_on+0x67/0x240 [ 63.820015][ T2897] kthread+0x361/0x430 [ 63.824055][ T2897] ? process_one_work+0x1740/0x1740 [ 63.829228][ T2897] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 63.835441][ T2897] ret_from_fork+0x24/0x30 [ 63.839831][ T2897] Modules linked in: [ 63.844141][ T2897] ---[ end trace e334f466af1efda7 ]--- [ 63.849638][ T2897] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 63.855975][ T2897] 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 [ 63.875603][ T2897] RSP: 0018:ffff8880a0b97ce8 EFLAGS: 00010282 [ 63.881680][ T2897] RAX: 0000000000000017 RBX: ffff88808aac64b8 RCX: 0000000000000000 [ 63.889663][ T2897] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed1014172f8f [ 63.897642][ T2897] RBP: ffff8880a0b97d30 R08: 0000000000000017 R09: fffffbfff14e9556 [ 63.905603][ T2897] R10: fffffbfff14e9555 R11: ffffffff8a74aaaf R12: ffff8880a1db7d08 [ 63.913581][ T2897] R13: ffff888089740688 R14: ffff88808aac6480 R15: ffff8880aa095580 [ 63.921555][ T2897] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 63.930482][ T2897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.937061][ T2897] CR2: 0000000020000040 CR3: 0000000008e6d000 CR4: 00000000001406f0 [ 63.945007][ T2897] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.952976][ T2897] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.960949][ T2897] Kernel panic - not syncing: Fatal exception [ 63.968094][ T2897] Kernel Offset: disabled [ 63.972410][ T2897] Rebooting in 86400 seconds..