[....] Starting OpenBSD Secure Shell server: sshd[ 10.946943] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 22.128241] random: sshd: uninitialized urandom read (32 bytes read) [ 22.497215] audit: type=1400 audit(1550219661.397:6): avc: denied { map } for pid=1761 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 [ 22.530487] random: sshd: uninitialized urandom read (32 bytes read) [ 22.966970] random: sshd: uninitialized urandom read (32 bytes read) [ 81.393264] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.104' (ECDSA) to the list of known hosts. [ 87.029944] random: sshd: uninitialized urandom read (32 bytes read) [ 87.117310] audit: type=1400 audit(1550219726.017:7): avc: denied { map } for pid=1809 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 08:35:26 parsed 1 programs [ 87.856947] audit: type=1400 audit(1550219726.757:8): avc: denied { map } for pid=1809 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 [ 88.649987] random: cc1: uninitialized urandom read (8 bytes read) 2019/02/15 08:35:29 executed programs: 0 [ 90.523317] audit: type=1400 audit(1550219729.427:9): avc: denied { map } for pid=1809 comm="syz-execprog" path="/root/syzkaller-shm265511499" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 2019/02/15 08:35:34 executed programs: 44 2019/02/15 08:35:39 executed programs: 107 2019/02/15 08:35:44 executed programs: 167 2019/02/15 08:35:49 executed programs: 228 INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes [ 115.789767] [ 115.791656] ===================================== [ 115.796475] WARNING: bad unlock balance detected! [ 115.801291] 4.14.99+ #13 Not tainted [ 115.804979] ------------------------------------- [ 115.809794] migration/1/16 is trying to release lock (&rq->lock) at: [ 115.816276] [] migration_cpu_stop+0x2dd/0x430 [ 115.822306] but there are no more locks to release! [ 115.827292] [ 115.827292] other info that might help us debug this: [ 115.833955] 1 lock held by migration/1/16: [ 115.838162] #0: (&p->pi_lock){-.-.}, at: [] migration_cpu_stop+0xe1/0x430 [ 115.846810] [ 115.846810] stack backtrace: [ 115.851280] CPU: 1 PID: 16 Comm: migration/1 Not tainted 4.14.99+ #13 [ 115.857927] Call Trace: [ 115.860503] dump_stack+0xb9/0x10e [ 115.864029] ? migration_cpu_stop+0x2dd/0x430 [ 115.868503] print_unlock_imbalance_bug.cold+0x110/0x11f [ 115.873928] ? lock_set_class+0x3b6/0x570 [ 115.878052] ? migration_cpu_stop+0x2dd/0x430 [ 115.882522] ? reacquire_held_locks+0x3f0/0x3f0 [ 115.887176] ? set_task_cpu+0x30b/0x9f0 [ 115.891129] ? move_queued_task+0x382/0x970 [ 115.895428] ? migration_cpu_stop+0x2dd/0x430 [ 115.900118] ? cpu_stopper_thread+0x130/0x320 [ 115.904596] ? sched_ttwu_pending+0x2a0/0x2a0 [ 115.909074] ? cpu_stopper_thread+0x215/0x320 [ 115.913591] ? _raw_spin_unlock_irq+0x24/0x50 [ 115.918067] ? sched_ttwu_pending+0x2a0/0x2a0 [ 115.922554] ? cpu_stopper_thread+0x19b/0x320 [ 115.927138] ? cpu_stop_create+0x80/0x80 [ 115.931182] ? smpboot_thread_fn+0x5ca/0x900 [ 115.935563] ? sort_range+0x30/0x30 [ 115.939162] ? sort_range+0x30/0x30 [ 115.942766] ? kthread+0x310/0x420 [ 115.946282] ? kthread_create_on_node+0xf0/0xf0 [ 115.950927] ? ret_from_fork+0x3a/0x50 2019/02/15 08:35:54 executed programs: 295 2019/02/15 08:36:00 executed programs: 363