[ 32.978262] audit: type=1800 audit(1561128655.154:33): pid=6966 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 [ 32.999820] audit: type=1800 audit(1561128655.154:34): pid=6966 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: [ 36.339398] random: sshd: uninitialized urandom read (32 bytes read) [ 36.682611] audit: type=1400 audit(1561128658.864:35): avc: denied { map } for pid=7139 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 [ 36.747508] random: sshd: uninitialized urandom read (32 bytes read) [ 37.334981] random: sshd: uninitialized urandom read (32 bytes read) [ 37.524745] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. [ 43.123983] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 43.242967] audit: type=1400 audit(1561128665.424:36): avc: denied { map } for pid=7151 comm="syz-executor974" path="/root/syz-executor974460641" 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 [ 43.247799] INFO: trying to register non-static key. [ 43.275061] the code is fine but needs lockdep annotation. [ 43.280769] turning off the locking correctness validator. [ 43.286376] CPU: 0 PID: 7151 Comm: syz-executor974 Not tainted 4.14.128 #22 [ 43.293461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.302887] Call Trace: [ 43.305460] dump_stack+0x138/0x19c [ 43.309081] register_lock_class+0x2fd/0x1730 [ 43.313555] ? cpuacct_charge+0x1db/0x360 [ 43.317682] ? find_held_lock+0x35/0x130 [ 43.321724] ? check_noncircular+0x20/0x20 [ 43.325941] __lock_acquire+0x147/0x45e0 [ 43.329989] ? save_trace+0x290/0x290 [ 43.333789] ? __lock_acquire+0x5f9/0x45e0 [ 43.338007] ? __lock_is_held+0xb6/0x140 [ 43.342057] ? trace_hardirqs_on+0x10/0x10 [ 43.346296] ? trace_hardirqs_on+0x10/0x10 [ 43.350521] ? save_trace+0x290/0x290 [ 43.354315] ? check_preemption_disabled+0x3c/0x250 [ 43.359315] ? finish_task_switch+0x178/0x650 [ 43.363799] ? find_held_lock+0x35/0x130 [ 43.367860] lock_acquire+0x16f/0x430 [ 43.371649] ? flush_work+0x84/0x730 [ 43.375538] flush_work+0xae/0x730 [ 43.379265] ? flush_work+0x84/0x730 [ 43.382986] ? insert_work+0x320/0x320 [ 43.386859] ? finish_task_switch+0x178/0x650 [ 43.391336] ? finish_task_switch+0x14d/0x650 [ 43.395811] ? __schedule+0x7c0/0x1cd0 [ 43.399677] ? mark_held_locks+0xb1/0x100 [ 43.403819] ? __cancel_work_timer+0x166/0x480 [ 43.408383] __cancel_work_timer+0x2f0/0x480 [ 43.412969] ? cancel_delayed_work+0x20/0x20 [ 43.417363] ? preempt_schedule+0x4b/0x60 [ 43.421509] ? smc_accept_dequeue+0x3b6/0x5e0 [ 43.425985] ? __local_bh_enable_ip+0x15e/0x1a0 [ 43.430656] cancel_work_sync+0x18/0x20 [ 43.434634] smc_close_active+0x68e/0xba0 [ 43.438873] smc_release+0x45a/0x630 [ 43.442570] __sock_release+0xce/0x2b0 [ 43.446439] ? __sock_release+0x2b0/0x2b0 [ 43.450612] sock_close+0x1b/0x30 [ 43.454046] __fput+0x275/0x7a0 [ 43.457305] ____fput+0x16/0x20 [ 43.460570] task_work_run+0x114/0x190 [ 43.464462] do_exit+0x7df/0x2c10 [ 43.467893] ? mm_update_next_owner+0x5d0/0x5d0 [ 43.472538] ? release_sock+0x14a/0x1b0 [ 43.476503] ? smc_listen+0x141/0x400 [ 43.480293] ? SyS_listen+0x181/0x230 [ 43.484081] do_group_exit+0x111/0x330 [ 43.487948] SyS_exit_group+0x1d/0x20 [ 43.491750] ? do_group_exit+0x330/0x330 [ 43.495824] do_syscall_64+0x1e8/0x640 [ 43.499690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.504519] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.509691] RIP: 0033:0x43ed88 [ 43.512863] RSP: 002b:00007ffe958d6a78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 43.520577] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ed88 [ 43.527837] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 43.535235] RBP: 00000000004be588 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 43.542614] R10: