[ 83.468567][ T27] audit: type=1800 audit(1579687069.793:25): pid=9585 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 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. [ 84.562846][ T27] kauditd_printk_skb: 3 callbacks suppressed [ 84.562858][ T27] audit: type=1800 audit(1579687070.883:29): pid=9585 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 [ 84.590366][ T27] audit: type=1800 audit(1579687070.883:30): pid=9585 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 '10.128.0.41' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 94.040619][ T2867] ------------[ cut here ]------------ [ 94.046565][ T2867] name 'šþ/]uwo,"¹cðacýµ‚•´[²$ð“5x~µsþ&æ¡tw}ùª™zºcp(' [ 94.053814][ T2867] WARNING: CPU: 1 PID: 2867 at fs/proc/generic.c:178 __xlate_proc_name+0xe7/0x110 [ 94.063012][ T2867] Kernel panic - not syncing: panic_on_warn set ... [ 94.069602][ T2867] CPU: 1 PID: 2867 Comm: kworker/1:21 Not tainted 5.5.0-rc7-syzkaller #0 [ 94.078003][ T2867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.088073][ T2867] Workqueue: afs afs_manage_cell [ 94.093002][ T2867] Call Trace: [ 94.096287][ T2867] dump_stack+0x197/0x210 [ 94.100626][ T2867] ? __xlate_proc_name+0x50/0x110 [ 94.105769][ T2867] panic+0x2e3/0x75c [ 94.109663][ T2867] ? add_taint.cold+0x16/0x16 [ 94.114340][ T2867] ? __kasan_check_write+0x14/0x20 [ 94.119445][ T2867] ? __warn.cold+0x14/0x3e [ 94.123874][ T2867] ? __warn+0xd9/0x1cf [ 94.128149][ T2867] ? __xlate_proc_name+0xe7/0x110 [ 94.133727][ T2867] __warn.cold+0x2f/0x3e [ 94.137963][ T2867] ? __xlate_proc_name+0xe7/0x110 [ 94.143087][ T2867] report_bug+0x289/0x300 [ 94.147458][ T2867] do_error_trap+0x11b/0x200 [ 94.152115][ T2867] do_invalid_op+0x37/0x50 [ 94.156650][ T2867] ? __xlate_proc_name+0xe7/0x110 [ 94.161795][ T2867] invalid_op+0x23/0x30 [ 94.165937][ T2867] RIP: 0010:__xlate_proc_name+0xe7/0x110 [ 94.171552][ T2867] Code: af 09 91 ff 44 89 e0 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 98 09 91 ff 4c 89 fe 48 c7 c7 40 07 39 88 e8 88 b9 61 ff <0f> 0b 41 bc fe ff ff ff eb cb 4c 89 f7 e8 b7 c9 ce ff e9 3d ff ff [ 94.191146][ T2867] RSP: 0018:ffffc9000884f9d0 EFLAGS: 00010282 [ 94.197211][ T2867] RAX: 0000000000000000 RBX: ffff88809530113b RCX: 0000000000000000 [ 94.205191][ T2867] RDX: 0000000000000000 RSI: ffffffff815e5326 RDI: fffff52001109f2c [ 94.213345][ T2867] RBP: ffffc9000884fa00 R08: ffff88809f2a8200 R09: ffffed1015d245c9 [ 94.221578][ T2867] R10: ffffed1015d245c8 R11: ffff8880ae922e43 R12: 0000000000000000 [ 94.229628][ T2867] R13: ffff888095301139 R14: ffffc9000884fb08 R15: ffff888095301139 [ 94.237711][ T2867] ? vprintk_func+0x86/0x189 [ 94.242330][ T2867] __proc_create+0xac/0x860 [ 94.246823][ T2867] ? pde_free+0x110/0x110 [ 94.251151][ T2867] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 94.257308][ T2867] proc_mkdir_data+0xbc/0x1b0 [ 94.262018][ T2867] ? proc_symlink+0x1c0/0x1c0 [ 94.266684][ T2867] ? fscache_free_cookie+0x110/0x1c0 [ 94.272001][ T2867] afs_proc_cell_setup+0x95/0x190 [ 94.277028][ T2867] afs_manage_cell+0x54b/0x1410 [ 94.282017][ T2867] ? afs_put_cell.part.0+0x180/0x180 [ 94.287314][ T2867] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.292860][ T2867] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 94.298861][ T2867] ? trace_hardirqs_on+0x67/0x240 [ 94.304068][ T2867] process_one_work+0x9af/0x1740 [ 94.309021][ T2867] ? pwq_dec_nr_in_flight+0x320/0x320 [ 94.314403][ T2867] ? lock_acquire+0x190/0x410 [ 94.319177][ T2867] worker_thread+0x98/0xe40 [ 94.323713][ T2867] kthread+0x361/0x430 [ 94.327775][ T2867] ? process_one_work+0x1740/0x1740 [ 94.332973][ T2867] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 94.338689][ T2867] ret_from_fork+0x24/0x30 [ 94.344821][ T2867] Kernel Offset: disabled [ 94.349232][ T2867] Rebooting in 86400 seconds..