[....] Starting OpenBSD Secure Shell server: sshd[ 9.544295] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.716884] random: sshd: uninitialized urandom read (32 bytes read) [ 26.952808] audit: type=1400 audit(1550203777.755:6): avc: denied { map } for pid=1753 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 [ 26.980857] random: sshd: uninitialized urandom read (32 bytes read) [ 27.416685] random: sshd: uninitialized urandom read (32 bytes read) [ 54.983564] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. [ 60.513060] random: sshd: uninitialized urandom read (32 bytes read) [ 60.597256] audit: type=1400 audit(1550203811.395:7): avc: denied { map } for pid=1789 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/02/15 04:10:12 parsed 1 programs [ 61.366161] audit: type=1400 audit(1550203812.165:8): avc: denied { map } for pid=1789 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=5005 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 62.203273] random: cc1: uninitialized urandom read (8 bytes read) 2019/02/15 04:10:15 executed programs: 0 [ 64.700116] audit: type=1400 audit(1550203815.495:9): avc: denied { map } for pid=1789 comm="syz-execprog" path="/root/syzkaller-shm699417864" dev="sda1" ino=16095 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 64.730193] [ 64.731841] ===================================== [ 64.736663] WARNING: bad unlock balance detected! [ 64.741478] 4.14.99+ #12 Not tainted [ 64.745171] ------------------------------------- [ 64.749994] migration/1/16 is trying to release lock (&rq->lock) at: [ 64.756521] [] migration_cpu_stop+0x2dd/0x430 [ 64.762562] but there are no more locks to release! [ 64.767558] [ 64.767558] other info that might help us debug this: [ 64.774203] 1 lock held by migration/1/16: [ 64.778418] #0: (&p->pi_lock){-.-.}, at: [] migration_cpu_stop+0xe1/0x430 [ 64.787068] [ 64.787068] stack backtrace: [ 64.791541] CPU: 1 PID: 16 Comm: migration/1 Not tainted 4.14.99+ #12 [ 64.798096] Call Trace: [ 64.800668] dump_stack+0xb9/0x10e [ 64.804196] ? migration_cpu_stop+0x2dd/0x430 [ 64.808747] print_unlock_imbalance_bug.cold+0x110/0x11f [ 64.814182] ? lock_set_class+0x3b6/0x570 [ 64.818311] ? migration_cpu_stop+0x2dd/0x430 [ 64.822782] ? reacquire_held_locks+0x3f0/0x3f0 [ 64.827436] ? set_task_cpu+0x30b/0x9f0 [ 64.831403] ? move_queued_task+0x382/0x970 [ 64.835714] ? migration_cpu_stop+0x2dd/0x430 [ 64.840187] ? cpu_stopper_thread+0x130/0x320 [ 64.844664] ? sched_ttwu_pending+0x2a0/0x2a0 [ 64.849135] ? cpu_stopper_thread+0x215/0x320 [ 64.853704] ? _raw_spin_unlock_irq+0x24/0x50 [ 64.858198] ? sched_ttwu_pending+0x2a0/0x2a0 [ 64.862785] ? cpu_stopper_thread+0x19b/0x320 [ 64.867268] ? cpu_stop_create+0x80/0x80 [ 64.871317] ? smpboot_thread_fn+0x5ca/0x900 [ 64.875706] ? sort_range+0x30/0x30 [ 64.879310] ? sort_range+0x30/0x30 [ 64.882916] ? kthread+0x310/0x420 [ 64.886434] ? kthread_create_on_node+0xf0/0xf0 [ 64.891252] ? ret_from_fork+0x3a/0x50 [ 66.012255] input: syz0 as /devices/virtual/input/input4 [ 66.061072] input: syz0 as /devices/virtual/input/input5 [ 66.080022] hrtimer: interrupt took 18433 ns [ 66.199799] input: syz0 as /devices/virtual/input/input6 [ 66.216575] input: syz0 as /devices/virtual/input/input7 [ 66.232806] input: syz0 as /devices/virtual/input/input8 [ 66.300872] input: syz0 as /devices/virtual/input/input9 [ 66.384602] input: syz0 as /devices/virtual/input/input10 [ 66.390915] input: syz0 as /devices/virtual/input/input11 [ 66.488595] input: syz0 as /devices/virtual/input/input12 [ 66.574856] input: syz0 as /devices/virtual/input/input14 [ 66.588215] input: syz0 as /devices/virtual/input/input13 [ 66.644597] input: syz0 as /devices/virtual/input/input15 [ 66.671748] input: syz0 as /devices/virtual/input/input16 [ 66.724460] input: syz0 as /devices/virtual/input/input17 [ 66.737900] input: syz0 as /devices/virtual/input/input18 [ 66.824108] input: syz0 as /devices/virtual/input/input20 [ 66.837383] input: syz0 as /devices/virtual/input/input19 [ 66.915790] input: syz0 as /devices/virtual/input/input21 [ 66.951716] input: syz0 as /devices/virtual/input/input23 [ 66.976409] input: syz0 as /devices/virtual/input/input22 [ 67.021513] input: syz0 as /devices/virtual/input/input26 [ 67.033577] input: syz0 as /devices/virtual/input/input24 [ 67.058783] input: syz0 as /devices/virtual/input/input25 [ 67.135887] input: syz0 as /devices/virtual/input/input27 [ 67.135984] input: syz0 as /devices/virtual/input/input28 [ 67.383239] input: syz0 as /devices/virtual/input/input29 [ 67.529045] input: syz0 as /devices/virtual/input/input30 [ 67.553311] input: syz0 as /devices/virtual/input/input31 [ 67.983167] input: syz0 as /devices/virtual/input/input32 [ 68.184667] input: syz0 as /devices/virtual/input/input33 [ 68.287698] input: syz0 as /devices/virtual/input/input34 [ 68.382985] input: syz0 as /devices/virtual/input/input35 [ 68.681767] input: syz0 as /devices/virtual/input/input36 [ 68.721795] input: syz0 as /devices/virtual/input/input37 [ 68.832650] input: syz0 as /devices/virtual/input/input39 [ 68.837820] input: syz0 as /devices/virtual/input/input38 [ 68.866143] input: syz0 as /devices/virtual/input/input40 [ 68.882653] input: syz0 as /devices/virtual/input/input41 [ 68.882800] input: syz0 as /devices/virtual/input/input42 [ 68.947759] input: syz0 as /devices/virtual/input/input43 [ 69.590922] input: syz0 as /devices/virtual/input/input45 [ 69.628147] input: syz0 as /devices/virtual/input/input46 [ 69.635222] input: syz0 as /devices/virtual/input/input44 [ 69.663135] input: syz0 as /devices/virtual/input/input48 [ 69.673158] input: syz0 as /devices/virtual/input/input47 [ 69.691305] input: syz0 as /devices/virtual/input/input49 2019/02/15 04:10:20 executed programs: 23 [ 70.002191] input: syz0 as /devices/virtual/input/input50 [ 70.053116] input: syz0 as /devices/virtual/input/input51 [ 70.103725] input: syz0 as /devices/virtual/input/input52 [ 70.221274] input: syz0 as /devices/virtual/input/input53 [ 70.247729] input: syz0 as /devices/virtual/input/input54 [ 70.267103] input: syz0 as /devices/virtual/input/input55