[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 10.549596] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 11.514967] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.134' (ECDSA) to the list of known hosts. 2019/10/18 15:45:45 parsed 1 programs 2019/10/18 15:45:47 executed programs: 0 syzkaller login: [ 26.801631] audit: type=1400 audit(1571413547.506:5): avc: denied { sys_admin } for pid=2054 comm="syz-executor.1" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 26.830900] audit: type=1400 audit(1571413547.536:6): avc: denied { net_admin } for pid=2064 comm="syz-executor.4" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 27.158001] audit: type=1400 audit(1571413547.866:7): avc: denied { sys_chroot } for pid=2064 comm="syz-executor.4" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 27.186682] audit: type=1400 audit(1571413547.896:8): avc: denied { associate } for pid=2064 comm="syz-executor.4" name="syz4" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 28.083138] ------------[ cut here ]------------ [ 28.087926] WARNING: CPU: 1 PID: 2219 at kernel/locking/rtmutex-debug.c:142 debug_rt_mutex_unlock+0xda/0x100 [ 28.097865] DEBUG_LOCKS_WARN_ON(rt_mutex_owner(lock) != current)[ 28.103810] Kernel panic - not syncing: panic_on_warn set ... [ 28.103810] [ 28.111169] CPU: 1 PID: 2219 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 28.118070] ffff8801cbaf7680 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 28.126081] ffffffff82a55a00 0000000000000001 0000000000000009 ffff8801cbaf7740 [ 28.134088] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 28.142108] Call Trace: [ 28.144685] [] dump_stack+0xc1/0x128 [ 28.150028] [] panic+0x1bf/0x39f [ 28.155036] [] ? add_taint.cold.5+0x16/0x16 [ 28.160993] [] ? __warn.cold.8+0x14/0x2f [ 28.166683] [] ? debug_rt_mutex_unlock+0xda/0x100 [ 28.173150] [] __warn.cold.8+0x2f/0x2f [ 28.178665] [] warn_slowpath_fmt+0xc2/0x100 [ 28.184612] [] ? __warn+0x1b0/0x1b0 [ 28.189866] [] ? rt_mutex_slowunlock+0x16/0x1c0 [ 28.196168] [] debug_rt_mutex_unlock+0xda/0x100 [ 28.202474] [] rt_mutex_slowunlock+0x21/0x1c0 [ 28.208596] [] rt_mutex_unlock+0x6e/0xc0 [ 28.214286] [] ? rt_mutex_trylock+0x180/0x180 [ 28.220406] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.227224] [] exit_pi_state_list+0x34c/0x500 [ 28.233344] [] ? futex_wait_requeue_pi.constprop.8+0x970/0x970 [ 28.240952] [] mm_release+0x2ee/0x410 [ 28.246380] [] do_exit+0x399/0x2a50 [ 28.251631] [] ? trace_hardirqs_on+0x10/0x10 [ 28.257685] [] ? release_task.part.4+0x14b0/0x14b0 [ 28.264241] [] ? clockevents_program_event+0x17a/0x3e0 [ 28.271145] [] ? __dequeue_signal+0x79/0x5f0 [ 28.277180] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 28.283907] [] ? recalc_sigpending+0x72/0x90 [ 28.289940] [] ? dequeue_signal+0xc4/0x4b0 [ 28.295800] [] ? check_preemption_disabled+0x3b/0x200 [ 28.302615] [] do_group_exit+0x111/0x300 [ 28.308304] [] get_signal+0x4e1/0x1460 [ 28.313816] [] do_signal+0x95/0x1b00 [ 28.319156] [] ? check_preemption_disabled+0x3b/0x200 [ 28.325969] [] ? retint_kernel+0x2d/0x2d [ 28.331655] [] ? common_timer_create+0x50/0x50 [ 28.337862] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 28.344591] [] ? setup_sigcontext+0x7d0/0x7d0 [ 28.350710] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 28.357439] [] ? do_futex+0x1a30/0x1a30 [ 28.363042] [] ? exit_to_usermode_loop+0xbe/0x150 [ 28.369512] [] exit_to_usermode_loop+0x10e/0x150 [ 28.375891] [] do_syscall_64+0x3e2/0x550 [ 28.381577] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.533683] Shutting down cpus with NMI [ 29.538279] Kernel Offset: disabled [ 29.541911] Rebooting in 86400 seconds..