[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.675296][ T26] audit: type=1800 audit(1566472244.574:25): pid=8156 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.721411][ T26] audit: type=1800 audit(1566472244.574:26): pid=8156 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.742921][ T26] audit: type=1800 audit(1566472244.574:27): pid=8156 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 '10.128.0.118' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 63.237693][ T8311] IPVS: ftp: loaded support on port[0] = 21 [ 63.265406][ T2989] rxrpc: Assertion failed [ 63.270240][ T2989] ------------[ cut here ]------------ [ 63.275698][ T2989] kernel BUG at net/rxrpc/local_object.c:433! [ 63.281974][ T2989] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 63.288030][ T2989] CPU: 0 PID: 2989 Comm: kworker/0:2 Not tainted 5.3.0-rc5-next-20190821 #70 [ 63.296762][ T2989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.306806][ T2989] Workqueue: krxrpcd rxrpc_local_processor [ 63.312584][ T2989] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 63.318882][ T2989] Code: af b4 ba fa 0f 0b e8 94 3e d1 fa 48 c7 c7 40 5f 5b 88 e8 9c b4 ba fa 0f 0b e8 81 3e d1 fa 48 c7 c7 40 5f 5b 88 e8 89 b4 ba fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 63.338454][ T2989] RSP: 0018:ffff88809f4efce8 EFLAGS: 00010282 [ 63.344487][ T2989] RAX: 0000000000000017 RBX: ffff88808ca90078 RCX: 0000000000000000 [ 63.352423][ T2989] RDX: 0000000000000000 RSI: ffffffff815bbac6 RDI: ffffed1013e9df8f [ 63.360363][ T2989] RBP: ffff88809f4efd30 R08: 0000000000000017 R09: fffffbfff14ef53a [ 63.368306][ T2989] R10: fffffbfff14ef539 R11: ffffffff8a77a9cf R12: ffff8880a5977848 [ 63.376333][ T2989] R13: ffff8880a0168608 R14: ffff88808ca90040 R15: ffff8880a6620a40 [ 63.384420][ T2989] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 63.393314][ T2989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.399868][ T2989] CR2: 0000000020000080 CR3: 0000000008e6d000 CR4: 00000000001406f0 [ 63.407828][ T2989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.415785][ T2989] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.423725][ T2989] Call Trace: [ 63.426992][ T2989] process_one_work+0x9af/0x1740 [ 63.431900][ T2989] ? __schedule+0x776/0x17d0 [ 63.436458][ T2989] ? pwq_dec_nr_in_flight+0x320/0x320 [ 63.441801][ T2989] ? lock_acquire+0x190/0x410 [ 63.446449][ T2989] worker_thread+0x98/0xe40 [ 63.450918][ T2989] ? trace_hardirqs_on+0x67/0x240 [ 63.455914][ T2989] kthread+0x361/0x430 [ 63.459953][ T2989] ? process_one_work+0x1740/0x1740 [ 63.465115][ T2989] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 63.471319][ T2989] ret_from_fork+0x24/0x30 [ 63.475722][ T2989] Modules linked in: [ 63.479846][ T2989] ---[ end trace 3745400dab592d34 ]--- [ 63.485292][ T2989] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 63.491827][ T2989] Code: af b4 ba fa 0f 0b e8 94 3e d1 fa 48 c7 c7 40 5f 5b 88 e8 9c b4 ba fa 0f 0b e8 81 3e d1 fa 48 c7 c7 40 5f 5b 88 e8 89 b4 ba fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 63.511459][ T2989] RSP: 0018:ffff88809f4efce8 EFLAGS: 00010282 [ 63.517511][ T2989] RAX: 0000000000000017 RBX: ffff88808ca90078 RCX: 0000000000000000 [ 63.525512][ T2989] RDX: 0000000000000000 RSI: ffffffff815bbac6 RDI: ffffed1013e9df8f [ 63.533484][ T2989] RBP: ffff88809f4efd30 R08: 0000000000000017 R09: fffffbfff14ef53a [ 63.541454][ T2989] R10: fffffbfff14ef539 R11: ffffffff8a77a9cf R12: ffff8880a5977848 [ 63.549419][ T2989] R13: ffff8880a0168608 R14: ffff88808ca90040 R15: ffff8880a6620a40 [ 63.557363][ T2989] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 63.566282][ T2989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.572943][ T2989] CR2: 0000000020000080 CR3: 0000000008e6d000 CR4: 00000000001406f0 [ 63.580911][ T2989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.588893][ T2989] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.596835][ T2989] Kernel panic - not syncing: Fatal exception [ 63.604037][ T2989] Kernel Offset: disabled [ 63.608352][ T2989] Rebooting in 86400 seconds..