[ 72.257335][ T26] audit: type=1800 audit(1565806401.950:27): pid=10238 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 72.299161][ T26] audit: type=1800 audit(1565806401.950:28): pid=10238 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 73.207030][ T26] audit: type=1800 audit(1565806402.990:29): pid=10238 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 [ 73.232449][ T26] audit: type=1800 audit(1565806402.990:30): pid=10238 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 '10.128.0.252' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 84.790094][ T5] list_del corruption. prev->next should be ffff8880901b44e0, but was ffff8880a51b56a0 [ 84.802345][ T5] ------------[ cut here ]------------ [ 84.807811][ T5] kernel BUG at lib/list_debug.c:51! [ 84.813710][ T5] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 84.819776][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.3.0-rc3+ #161 [ 84.827218][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.837314][ T5] Workqueue: krxrpcd rxrpc_local_processor [ 84.843122][ T5] RIP: 0010:__list_del_entry_valid.cold+0xf/0x4f [ 84.849444][ T5] Code: e8 e9 03 1e fe 0f 0b 48 89 f1 48 c7 c7 80 25 c6 87 4c 89 e6 e8 d5 03 1e fe 0f 0b 4c 89 f6 48 c7 c7 20 27 c6 87 e8 c4 03 1e fe <0f> 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 26 c6 87 e8 b0 03 1e fe 0f 0b [ 84.869042][ T5] RSP: 0018:ffff8880a9887cc0 EFLAGS: 00010286 [ 84.875102][ T5] RAX: 0000000000000054 RBX: ffff8880901b44f8 RCX: 0000000000000000 [ 84.883064][ T5] RDX: 0000000000000000 RSI: ffffffff815c3b96 RDI: ffffed1015310f8a [ 84.891024][ T5] RBP: ffff8880a9887cd8 R08: 0000000000000054 R09: ffffed1015d060d1 [ 84.898983][ T5] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff88809bf983f8 [ 84.906957][ T5] R13: ffff88809bf983f8 R14: ffff8880901b44e0 R15: ffff888095206a40 [ 84.914941][ T5] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 84.923853][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.930422][ T5] CR2: 00000000200000c0 CR3: 00000000960bc000 CR4: 00000000001406f0 [ 84.938382][ T5] Call Trace: [ 84.941667][ T5] rxrpc_local_processor+0x251/0x830 [ 84.946961][ T5] process_one_work+0x9af/0x1740 [ 84.951906][ T5] ? pwq_dec_nr_in_flight+0x320/0x320 [ 84.957263][ T5] ? lock_acquire+0x190/0x410 [ 84.961931][ T5] worker_thread+0x98/0xe40 [ 84.966423][ T5] kthread+0x361/0x430 [ 84.970480][ T5] ? process_one_work+0x1740/0x1740 [ 84.975662][ T5] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 84.981888][ T5] ret_from_fork+0x24/0x30 [ 84.986283][ T5] Modules linked in: [ 84.990536][ T5] ---[ end trace c5fbe2d9f1ab546d ]--- [ 84.996534][ T5] RIP: 0010:__list_del_entry_valid.cold+0xf/0x4f [ 85.002863][ T5] Code: e8 e9 03 1e fe 0f 0b 48 89 f1 48 c7 c7 80 25 c6 87 4c 89 e6 e8 d5 03 1e fe 0f 0b 4c 89 f6 48 c7 c7 20 27 c6 87 e8 c4 03 1e fe <0f> 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 26 c6 87 e8 b0 03 1e fe 0f 0b [ 85.022549][ T5] RSP: 0018:ffff8880a9887cc0 EFLAGS: 00010286 [ 85.028690][ T5] RAX: 0000000000000054 RBX: ffff8880901b44f8 RCX: 0000000000000000 [ 85.036705][ T5] RDX: 0000000000000000 RSI: ffffffff815c3b96 RDI: ffffed1015310f8a [ 85.044742][ T5] RBP: ffff8880a9887cd8 R08: 0000000000000054 R09: ffffed1015d060d1 [ 85.052710][ T5] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff88809bf983f8 [ 85.060769][ T5] R13: ffff88809bf983f8 R14: ffff8880901b44e0 R15: ffff888095206a40 [ 85.068802][ T5] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.078146][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.084760][ T5] CR2: 00000000200000c0 CR3: 00000000960bc000 CR4: 00000000001406f0 [ 85.092739][ T5] Kernel panic - not syncing: Fatal exception [ 85.099764][ T5] Kernel Offset: disabled [ 85.104091][ T5] Rebooting in 86400 seconds..