[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.181933][ T25] audit: type=1800 audit(1567032652.035:25): pid=8482 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.203563][ T25] audit: type=1800 audit(1567032652.045:26): pid=8482 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.224471][ T25] audit: type=1800 audit(1567032652.045:27): pid=8482 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 '10.128.1.26' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.177163][ T8635] IPVS: ftp: loaded support on port[0] = 21 [ 67.207215][ T42] rxrpc: Assertion failed [ 67.212050][ T42] ------------[ cut here ]------------ [ 67.217495][ T42] kernel BUG at net/rxrpc/local_object.c:433! [ 67.225260][ T42] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 67.231382][ T42] CPU: 1 PID: 42 Comm: kworker/1:1 Not tainted 5.3.0-rc5+ #151 [ 67.238963][ T42] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.249247][ T42] Workqueue: krxrpcd rxrpc_local_processor [ 67.255032][ T42] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 67.261436][ T42] 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 [ 67.281126][ T42] RSP: 0018:ffff8880a9a97ce8 EFLAGS: 00010282 [ 67.287171][ T42] RAX: 0000000000000017 RBX: ffff8880870d0978 RCX: 0000000000000000 [ 67.295228][ T42] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed1015352f8f [ 67.303183][ T42] RBP: ffff8880a9a97d30 R08: 0000000000000017 R09: ffffed1015d260d1 [ 67.311135][ T42] R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: ffff8880870d0208 [ 67.319137][ T42] R13: ffff88808c3786c8 R14: ffff8880870d0940 R15: ffff8880a32a0500 [ 67.327105][ T42] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 67.336012][ T42] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.342566][ T42] CR2: 000000000049f2e0 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 67.350529][ T42] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.358496][ T42] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.366554][ T42] Call Trace: [ 67.369833][ T42] process_one_work+0x9af/0x1740 [ 67.374810][ T42] ? pwq_dec_nr_in_flight+0x320/0x320 [ 67.380169][ T42] ? lock_acquire+0x190/0x410 [ 67.384832][ T42] worker_thread+0x98/0xe40 [ 67.389312][ T42] ? trace_hardirqs_on+0x67/0x240 [ 67.394317][ T42] kthread+0x361/0x430 [ 67.398993][ T42] ? process_one_work+0x1740/0x1740 [ 67.404162][ T42] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 67.410390][ T42] ret_from_fork+0x24/0x30 [ 67.414785][ T42] Modules linked in: [ 67.418985][ T42] ---[ end trace cd7b4269b329d7c4 ]--- [ 67.424595][ T42] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 67.430908][ T42] 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 [ 67.450705][ T42] RSP: 0018:ffff8880a9a97ce8 EFLAGS: 00010282 [ 67.456805][ T42] RAX: 0000000000000017 RBX: ffff8880870d0978 RCX: 0000000000000000 [ 67.464796][ T42] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed1015352f8f [ 67.472806][ T42] RBP: ffff8880a9a97d30 R08: 0000000000000017 R09: ffffed1015d260d1 [ 67.480856][ T42] R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: ffff8880870d0208 [ 67.488857][ T42] R13: ffff88808c3786c8 R14: ffff8880870d0940 R15: ffff8880a32a0500 [ 67.496844][ T42] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 67.505780][ T42] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.512338][ T42] CR2: 000000000049f2e0 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 67.520402][ T42] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.528455][ T42] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.536458][ T42] Kernel panic - not syncing: Fatal exception [ 67.543712][ T42] Kernel Offset: disabled [ 67.548031][ T42] Rebooting in 86400 seconds..