[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 30.859236] random: sshd: uninitialized urandom read (32 bytes read) [ 31.162760] kauditd_printk_skb: 11 callbacks suppressed [ 31.162769] audit: type=1400 audit(1562169192.716:35): avc: denied { map } for pid=6965 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 [ 31.219186] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 31.797494] random: sshd: uninitialized urandom read (32 bytes read) [ 31.993960] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. [ 37.630011] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 37.753826] audit: type=1400 audit(1562169199.306:36): avc: denied { map } for pid=6979 comm="syz-executor312" path="/root/syz-executor312287512" 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 [ 37.758859] INFO: trying to register non-static key. [ 37.785167] the code is fine but needs lockdep annotation. [ 37.790768] turning off the locking correctness validator. [ 37.796384] CPU: 1 PID: 6979 Comm: syz-executor312 Not tainted 4.14.132 #26 [ 37.803462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.812811] Call Trace: [ 37.815388] dump_stack+0x138/0x19c [ 37.818995] register_lock_class+0x2fd/0x1730 [ 37.823471] ? cpuacct_charge+0x1db/0x360 [ 37.827602] ? find_held_lock+0x35/0x130 [ 37.831642] ? check_noncircular+0x20/0x20 [ 37.835868] __lock_acquire+0x147/0x45e0 [ 37.839931] ? save_trace+0x290/0x290 [ 37.843720] ? __lock_acquire+0x5f9/0x45e0 [ 37.847932] ? __lock_is_held+0xb6/0x140 [ 37.851971] ? trace_hardirqs_on+0x10/0x10 [ 37.856198] ? trace_hardirqs_on+0x10/0x10 [ 37.860411] ? save_trace+0x290/0x290 [ 37.864196] ? check_preemption_disabled+0x3c/0x250 [ 37.869190] ? finish_task_switch+0x178/0x650 [ 37.873663] ? find_held_lock+0x35/0x130 [ 37.877704] lock_acquire+0x16f/0x430 [ 37.881487] ? flush_work+0x84/0x730 [ 37.885178] flush_work+0xae/0x730 [ 37.888692] ? flush_work+0x84/0x730 [ 37.892398] ? insert_work+0x320/0x320 [ 37.896264] ? finish_task_switch+0x178/0x650 [ 37.900743] ? finish_task_switch+0x14d/0x650 [ 37.905216] ? __schedule+0x7c0/0x1cd0 [ 37.909080] ? mark_held_locks+0xb1/0x100 [ 37.913215] ? __cancel_work_timer+0x166/0x480 [ 37.917793] __cancel_work_timer+0x2f0/0x480 [ 37.922203] ? cancel_delayed_work+0x20/0x20 [ 37.926595] ? preempt_schedule+0x4b/0x60 [ 37.930723] ? smc_accept_dequeue+0x3b6/0x5e0 [ 37.935331] ? __local_bh_enable_ip+0x15e/0x1a0 [ 37.940000] cancel_work_sync+0x18/0x20 [ 37.944260] smc_close_active+0x68e/0xba0 [ 37.948391] smc_release+0x45a/0x630 [ 37.952109] __sock_release+0xce/0x2b0 [ 37.955977] ? __sock_release+0x2b0/0x2b0 [ 37.960108] sock_close+0x1b/0x30 [ 37.963544] __fput+0x275/0x7a0 [ 37.966798] ____fput+0x16/0x20 [ 37.970078] task_work_run+0x114/0x190 [ 37.973974] do_exit+0x7df/0x2c10 [ 37.977411] ? mm_update_next_owner+0x5d0/0x5d0 [ 37.982061] ? release_sock+0x14a/0x1b0 [ 37.986100] ? smc_listen+0x141/0x400 [ 37.989895] ? SyS_listen+0x181/0x230 [ 37.993691] do_group_exit+0x111/0x330 [ 37.997562] SyS_exit_group+0x1d/0x20 [ 38.001358] ? do_group_exit+0x330/0x330 [ 38.005399] do_syscall_64+0x1e8/0x640 [ 38.009287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.014134] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 38.019324] RIP: 0033:0x43eda8 [ 38.022492] RSP: 002b:00007ffc336ec238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.030178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eda8 [ 38.037425] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 38.044683] RBP: 00000000004be5a8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 38.051950] R10: 0000000000000000 R