[ 35.228835] audit: type=1800 audit(1564256209.544:33): pid=6962 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 35.255451] audit: type=1800 audit(1564256209.554:34): pid=6962 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 38.695933] random: sshd: uninitialized urandom read (32 bytes read) [ 38.976116] audit: type=1400 audit(1564256213.294:35): avc: denied { map } for pid=7135 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 39.023541] random: sshd: uninitialized urandom read (32 bytes read) [ 39.598957] random: sshd: uninitialized urandom read (32 bytes read) [ 39.798889] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. [ 45.333312] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 45.454800] audit: type=1400 audit(1564256219.774:36): avc: denied { map } for pid=7147 comm="syz-executor396" path="/root/syz-executor396107099" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 45.460256] INFO: trying to register non-static key. [ 45.486359] the code is fine but needs lockdep annotation. [ 45.491957] turning off the locking correctness validator. [ 45.497559] CPU: 0 PID: 7147 Comm: syz-executor396 Not tainted 4.14.134 #30 [ 45.504809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.514158] Call Trace: [ 45.516779] dump_stack+0x138/0x19c [ 45.520424] register_lock_class+0x2fd/0x1730 [ 45.524900] ? cpuacct_charge+0x1db/0x360 [ 45.529021] ? find_held_lock+0x35/0x130 [ 45.533110] ? check_noncircular+0x20/0x20 [ 45.537324] __lock_acquire+0x147/0x45e0 [ 45.541360] ? save_trace+0x290/0x290 [ 45.545152] ? __lock_acquire+0x5f9/0x45e0 [ 45.549363] ? __lock_is_held+0xb6/0x140 [ 45.553402] ? trace_hardirqs_on+0x10/0x10 [ 45.557615] ? trace_hardirqs_on+0x10/0x10 [ 45.561825] ? save_trace+0x290/0x290 [ 45.565631] ? check_preemption_disabled+0x3c/0x250 [ 45.570628] ? finish_task_switch+0x178/0x650 [ 45.575095] ? find_held_lock+0x35/0x130 [ 45.579130] lock_acquire+0x16f/0x430 [ 45.582907] ? flush_work+0x84/0x730 [ 45.586594] flush_work+0xae/0x730 [ 45.590126] ? flush_work+0x84/0x730 [ 45.593812] ? insert_work+0x320/0x320 [ 45.597675] ? finish_task_switch+0x178/0x650 [ 45.602145] ? finish_task_switch+0x14d/0x650 [ 45.606630] ? __schedule+0x7c0/0x1cd0 [ 45.610497] ? mark_held_locks+0xb1/0x100 [ 45.614624] ? __cancel_work_timer+0x166/0x480 [ 45.619180] __cancel_work_timer+0x2f0/0x480 [ 45.623569] ? cancel_delayed_work+0x20/0x20 [ 45.627971] ? preempt_schedule+0x4b/0x60 [ 45.632099] ? smc_accept_dequeue+0x3b6/0x5e0 [ 45.636570] ? __local_bh_enable_ip+0x15e/0x1a0 [ 45.641217] cancel_work_sync+0x18/0x20 [ 45.645169] smc_close_active+0x68e/0xba0 [ 45.649304] smc_release+0x45a/0x630 [ 45.653021] __sock_release+0xce/0x2b0 [ 45.656917] ? __sock_release+0x2b0/0x2b0 [ 45.661055] sock_close+0x1b/0x30 [ 45.664523] __fput+0x275/0x7a0 [ 45.667778] ____fput+0x16/0x20 [ 45.671035] task_work_run+0x114/0x190 [ 45.674901] do_exit+0x7df/0x2c10 [ 45.678334] ? mm_update_next_owner+0x5d0/0x5d0 [ 45.683001] ? release_sock+0x14a/0x1b0 [ 45.686957] ? smc_listen+0x141/0x400 [ 45.690756] ? SyS_listen+0x181/0x230 [ 45.694532] do_group_exit+0x111/0x330 [ 45.698410] SyS_exit_group+0x1d/0x20 [ 45.702187] ? do_group_exit+0x330/0x330 [ 45.706241] do_syscall_64+0x1e8/0x640 [ 45.710108] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.714934] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.720117] RIP: 0033:0x43ed88 [ 45.723288] RSP: 002b:00007ffcc8d72488 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 45.730984] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ed88 [ 45.738229] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 45.745476] RBP: 00000000004be588 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 45.752722] R10: 0000000000000000 R1