[ 34.289605] audit: type=1800 audit(1565277697.815:33): pid=7012 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 [ 34.316245] audit: type=1800 audit(1565277697.815:34): pid=7012 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: [ 39.228830] random: sshd: uninitialized urandom read (32 bytes read) [ 39.499921] audit: type=1400 audit(1565277703.025:35): avc: denied { map } for pid=7186 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 [ 39.568854] random: sshd: uninitialized urandom read (32 bytes read) [ 40.156873] random: sshd: uninitialized urandom read (32 bytes read) [ 40.349555] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.25' (ECDSA) to the list of known hosts. [ 45.868516] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 45.985335] audit: type=1400 audit(1565277709.515:36): avc: denied { map } for pid=7198 comm="syz-executor373" path="/root/syz-executor373131363" 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 [ 45.990821] INFO: trying to register non-static key. [ 46.016814] the code is fine but needs lockdep annotation. [ 46.022419] turning off the locking correctness validator. [ 46.028026] CPU: 1 PID: 7198 Comm: syz-executor373 Not tainted 4.14.137 #33 [ 46.035208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.044635] Call Trace: [ 46.047253] dump_stack+0x138/0x19c [ 46.050867] register_lock_class+0x2fd/0x1730 [ 46.055340] ? cpuacct_charge+0x1db/0x360 [ 46.059644] ? find_held_lock+0x35/0x130 [ 46.063684] ? check_noncircular+0x20/0x20 [ 46.067913] __lock_acquire+0x147/0x4620 [ 46.071955] ? save_trace+0x290/0x290 [ 46.075732] ? __lock_acquire+0x5f7/0x4620 [ 46.079956] ? __lock_is_held+0xb6/0x140 [ 46.083999] ? trace_hardirqs_on+0x10/0x10 [ 46.088232] ? trace_hardirqs_on+0x10/0x10 [ 46.092466] ? save_trace+0x290/0x290 [ 46.096256] ? check_preemption_disabled+0x3c/0x250 [ 46.101270] ? finish_task_switch+0x178/0x650 [ 46.105758] ? find_held_lock+0x35/0x130 [ 46.109799] lock_acquire+0x16f/0x430 [ 46.113581] ? flush_work+0x84/0x730 [ 46.117274] flush_work+0xae/0x730 [ 46.120791] ? flush_work+0x84/0x730 [ 46.124501] ? insert_work+0x320/0x320 [ 46.128367] ? finish_task_switch+0x178/0x650 [ 46.132840] ? finish_task_switch+0x14d/0x650 [ 46.137313] ? __schedule+0x7c0/0x1cd0 [ 46.141202] ? mark_held_locks+0xb1/0x100 [ 46.145725] ? __cancel_work_timer+0x166/0x480 [ 46.150328] __cancel_work_timer+0x2f0/0x480 [ 46.154723] ? cancel_delayed_work+0x20/0x20 [ 46.159114] ? preempt_schedule+0x4b/0x60 [ 46.163248] ? smc_accept_dequeue+0x3b6/0x5e0 [ 46.167723] ? __local_bh_enable_ip+0x15e/0x1a0 [ 46.172565] cancel_work_sync+0x18/0x20 [ 46.176536] smc_close_active+0x68e/0xba0 [ 46.180696] smc_release+0x45a/0x630 [ 46.184414] __sock_release+0xce/0x2b0 [ 46.188306] ? __sock_release+0x2b0/0x2b0 [ 46.192439] sock_close+0x1b/0x30 [ 46.195871] __fput+0x275/0x7a0 [ 46.199156] ____fput+0x16/0x20 [ 46.202440] task_work_run+0x114/0x190 [ 46.206308] do_exit+0x7df/0x2c10 [ 46.209764] ? mm_update_next_owner+0x5d0/0x5d0 [ 46.214421] ? release_sock+0x14a/0x1b0 [ 46.218376] ? smc_listen+0x141/0x400 [ 46.222170] ? SyS_listen+0x181/0x230 [ 46.225957] do_group_exit+0x111/0x330 [ 46.229844] SyS_exit_group+0x1d/0x20 [ 46.233633] ? do_group_exit+0x330/0x330 [ 46.237678] do_syscall_64+0x1e8/0x640 [ 46.241571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.246431] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.251717] RIP: 0033:0x43ed88 [ 46.254896] RSP: 002b:00007ffc58464fd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 46.262593] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ed88 [ 46.269855] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 46.277119] RBP: 00000000004be588 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 46.284392] R10: 0000000