[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 59.818146][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 59.818158][ T26] audit: type=1800 audit(1567081893.167:29): pid=9620 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 59.853219][ T26] audit: type=1800 audit(1567081893.167:30): pid=9620 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.96' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.747694][ T9771] IPVS: ftp: loaded support on port[0] = 21 [ 75.771003][ T5] rxrpc: Assertion failed [ 75.775665][ T5] ------------[ cut here ]------------ [ 75.781223][ T5] kernel BUG at net/rxrpc/local_object.c:433! [ 75.787455][ T5] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 75.793624][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.3.0-rc6+ #147 [ 75.801101][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.811153][ T5] Workqueue: krxrpcd rxrpc_local_processor [ 75.816942][ T5] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 75.823255][ T5] Code: 9f 85 c0 fa 0f 0b e8 54 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 8c 85 c0 fa 0f 0b e8 41 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 79 85 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 75.842909][ T5] RSP: 0018:ffff8880a9887ce8 EFLAGS: 00010282 [ 75.848973][ T5] RAX: 0000000000000017 RBX: ffff8880958996f8 RCX: 0000000000000000 [ 75.856939][ T5] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed1015310f8f [ 75.864900][ T5] RBP: ffff8880a9887d30 R08: 0000000000000017 R09: ffffed1015d060d1 [ 75.872975][ T5] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff888095898f88 [ 75.880925][ T5] R13: ffff888094a40608 R14: ffff8880958996c0 R15: ffff88808a8ea040 [ 75.889006][ T5] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 75.897963][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.904581][ T5] CR2: 0000000020000040 CR3: 0000000008c6d000 CR4: 00000000001406f0 [ 75.912629][ T5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.920586][ T5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.928537][ T5] Call Trace: [ 75.931816][ T5] process_one_work+0x9af/0x1740 [ 75.936740][ T5] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.942087][ T5] ? lock_acquire+0x190/0x410 [ 75.946744][ T5] worker_thread+0x98/0xe40 [ 75.951900][ T5] kthread+0x361/0x430 [ 75.955947][ T5] ? process_one_work+0x1740/0x1740 [ 75.961171][ T5] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 75.967411][ T5] ret_from_fork+0x24/0x30 [ 75.971806][ T5] Modules linked in: [ 75.975972][ T5] ---[ end trace 4323dd187c521c20 ]--- [ 75.981448][ T5] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 75.987809][ T5] Code: 9f 85 c0 fa 0f 0b e8 54 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 8c 85 c0 fa 0f 0b e8 41 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 79 85 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 76.007488][ T5] RSP: 0018:ffff8880a9887ce8 EFLAGS: 00010282 [ 76.013589][ T5] RAX: 0000000000000017 RBX: ffff8880958996f8 RCX: 0000000000000000 [ 76.021570][ T5] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed1015310f8f [ 76.029546][ T5] RBP: ffff8880a9887d30 R08: 0000000000000017 R09: ffffed1015d060d1 [ 76.037503][ T5] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff888095898f88 [ 76.045495][ T5] R13: ffff888094a40608 R14: ffff8880958996c0 R15: ffff88808a8ea040 [ 76.053477][ T5] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 76.062411][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.068995][ T5] CR2: 0000000020000040 CR3: 0000000008c6d000 CR4: 00000000001406f0 [ 76.076947][ T5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.084936][ T5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.092921][ T5] Kernel panic - not syncing: Fatal exception [ 76.100465][ T5] Kernel Offset: disabled [ 76.104838][ T5] Rebooting in 86400 seconds..