[....] 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[ 11.194176] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 11.591305] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.131' (ECDSA) to the list of known hosts. 2019/03/06 18:44:04 parsed 1 programs 2019/03/06 18:44:07 executed programs: 0 syzkaller login: [ 43.264078] audit: type=1400 audit(1551897849.101:5): avc: denied { associate } for pid=2071 comm="syz-executor.3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 43.526415] ------------[ cut here ]------------ [ 43.531199] WARNING: CPU: 1 PID: 2950 at kernel/signal.c:343 task_participate_group_stop+0x220/0x2c0 [ 43.540446] Kernel panic - not syncing: panic_on_warn set ... [ 43.540446] [ 43.547828] CPU: 1 PID: 2950 Comm: 5 Not tainted 4.9.141+ #23 [ 43.553696] ffff8801d6f7fa50 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 43.561771] ffffffff82a3fc00 0000000000000001 0000000000000009 ffff8801d6f7fb10 [ 43.569823] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 43.577830] Call Trace: [ 43.580399] [] dump_stack+0xc1/0x128 [ 43.585749] [] panic+0x1bf/0x39f [ 43.590758] [] ? add_taint.cold.5+0x16/0x16 [ 43.596715] [] ? __warn.cold.8+0x14/0x2f [ 43.602410] [] ? task_participate_group_stop+0x220/0x2c0 [ 43.609488] [] __warn.cold.8+0x2f/0x2f [ 43.615006] [] ? entry_SYSENTER_compat+0x90/0xa2 [ 43.621390] [] warn_slowpath_null+0x2c/0x40 [ 43.627341] [] task_participate_group_stop+0x220/0x2c0 [ 43.634276] [] ? do_signal_stop+0x55c/0x7c0 [ 43.640242] [] do_signal_stop+0x373/0x7c0 [ 43.646017] [] get_signal+0x5bc/0x1460 [ 43.651536] [] do_signal+0x95/0x1b00 [ 43.656880] [] ? put_files_struct+0x1f0/0x250 [ 43.663007] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 43.669842] [] ? kmem_cache_free+0x28f/0x310 [ 43.675886] [] ? setup_sigcontext+0x7d0/0x7d0 [ 43.682009] [] ? put_files_struct+0x25/0x250 [ 43.688047] [] ? do_execveat_common.isra.14+0x23e/0x1ed0 [ 43.695219] [] ? do_execveat_common.isra.14+0x1043/0x1ed0 [ 43.702417] [] ? prepare_bprm_creds+0x110/0x110 [ 43.708712] [] ? getname_flags+0x229/0x550 [ 43.714582] [] ? exit_to_usermode_loop+0xbe/0x150 [ 43.721062] [] exit_to_usermode_loop+0x10e/0x150 [ 43.727452] [] do_fast_syscall_32+0x6dc/0xa10 [ 43.733577] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.740222] [] entry_SYSENTER_compat+0x90/0xa2 [ 43.746798] Kernel Offset: disabled [ 43.750455] Rebooting in 86400 seconds..