[ 109.650936][ T27] audit: type=1800 audit(1579812954.322:36): pid=10503 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 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 mcstransd: [ 110.522988][ T27] audit: type=1400 audit(1579812955.312:37): avc: denied { watch } for pid=10591 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.33' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 119.082392][ T27] kauditd_printk_skb: 4 callbacks suppressed [ 119.082409][ T27] audit: type=1400 audit(1579812963.872:42): avc: denied { map } for pid=10693 comm="syz-executor846" path="/root/syz-executor846966055" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 119.088795][ T3184] ------------[ cut here ]------------ [ 119.121371][ T3184] name 'šþ/]uwo,"¹cðacýµ‚•´[²$ð“5x~µsþ&æ¡tw}ùª™zºcp(' [ 119.128951][ T3184] WARNING: CPU: 1 PID: 3184 at fs/proc/generic.c:178 __xlate_proc_name+0xe7/0x110 [ 119.138493][ T3184] Kernel panic - not syncing: panic_on_warn set ... [ 119.145081][ T3184] CPU: 1 PID: 3184 Comm: kworker/1:113 Not tainted 5.5.0-rc7-syzkaller #0 [ 119.153596][ T3184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.163781][ T3184] Workqueue: afs afs_manage_cell [ 119.168767][ T3184] Call Trace: [ 119.172059][ T3184] dump_stack+0x197/0x210 [ 119.176474][ T3184] ? __xlate_proc_name+0x30/0x110 [ 119.181542][ T3184] panic+0x2e3/0x75c [ 119.185438][ T3184] ? add_taint.cold+0x16/0x16 [ 119.190140][ T3184] ? __kasan_check_write+0x14/0x20 [ 119.195250][ T3184] ? __warn.cold+0x14/0x3e [ 119.199663][ T3184] ? __warn+0xd9/0x1cf [ 119.203731][ T3184] ? __xlate_proc_name+0xe7/0x110 [ 119.208886][ T3184] __warn.cold+0x2f/0x3e [ 119.213132][ T3184] ? __xlate_proc_name+0xe7/0x110 [ 119.218158][ T3184] report_bug+0x289/0x300 [ 119.222488][ T3184] do_error_trap+0x11b/0x200 [ 119.227076][ T3184] do_invalid_op+0x37/0x50 [ 119.231483][ T3184] ? __xlate_proc_name+0xe7/0x110 [ 119.236500][ T3184] invalid_op+0x23/0x30 [ 119.240701][ T3184] RIP: 0010:__xlate_proc_name+0xe7/0x110 [ 119.246330][ T3184] Code: 8f 09 91 ff 44 89 e0 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 78 09 91 ff 4c 89 fe 48 c7 c7 40 07 39 88 e8 68 b9 61 ff <0f> 0b 41 bc fe ff ff ff eb cb 4c 89 f7 e8 97 c9 ce ff e9 3d ff ff [ 119.266271][ T3184] RSP: 0018:ffffc90008aff9d0 EFLAGS: 00010282 [ 119.272422][ T3184] RAX: 0000000000000000 RBX: ffff88809f1b9d3b RCX: 0000000000000000 [ 119.280404][ T3184] RDX: 0000000000000000 RSI: ffffffff815e5326 RDI: fffff5200115ff2c [ 119.288457][ T3184] RBP: ffffc90008affa00 R08: ffff88809e276340 R09: ffffed1015d26621 [ 119.296426][ T3184] R10: ffffed1015d26620 R11: ffff8880ae933107 R12: 0000000000000000 [ 119.304473][ T3184] R13: ffff88809f1b9d39 R14: ffffc90008affb08 R15: ffff88809f1b9d39 [ 119.312707][ T3184] ? vprintk_func+0x86/0x189 [ 119.317310][ T3184] __proc_create+0xac/0x860 [ 119.321813][ T3184] ? pde_free+0x110/0x110 [ 119.326195][ T3184] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 119.332356][ T3184] proc_mkdir_data+0xbc/0x1b0 [ 119.337089][ T3184] ? proc_symlink+0x1c0/0x1c0 [ 119.341836][ T3184] ? fscache_free_cookie+0x110/0x1c0 [ 119.347233][ T3184] afs_proc_cell_setup+0x95/0x190 [ 119.352259][ T3184] afs_manage_cell+0x54b/0x1410 [ 119.357220][ T3184] ? afs_put_cell.part.0+0x180/0x180 [ 119.362515][ T3184] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.368070][ T3184] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 119.374096][ T3184] ? trace_hardirqs_on+0x67/0x240 [ 119.379188][ T3184] process_one_work+0x9af/0x1740 [ 119.384168][ T3184] ? pwq_dec_nr_in_flight+0x320/0x320 [ 119.389594][ T3184] ? lock_acquire+0x190/0x410 [ 119.394300][ T3184] worker_thread+0x98/0xe40 [ 119.398801][ T3184] kthread+0x361/0x430 [ 119.402870][ T3184] ? process_one_work+0x1740/0x1740 [ 119.408059][ T3184] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 119.413799][ T3184] ret_from_fork+0x24/0x30 [ 119.419842][ T3184] Kernel Offset: disabled [ 119.424252][ T3184] Rebooting in 86400 seconds..