Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 10.479874] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. D[ 11.650294] random: crng init done ebian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.231' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.066183] audit: type=1400 audit(1536665328.959:5): avc: denied { wake_alarm } for pid=2046 comm="syz-executor177" capability=35 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 [ 28.069714] ODEBUG: object ffff8801d614fd70 is on stack ffff8801d6148000, but NOT annotated [ 28.070891] ------------[ cut here ]------------ [ 28.071593] WARNING: CPU: 1 PID: 2046 at lib/debugobjects.c:303 __debug_object_init.cold.8+0x6b/0x258 [ 28.072858] Kernel panic - not syncing: panic_on_warn set ... [ 28.072858] [ 28.073850] CPU: 1 PID: 2046 Comm: syz-executor177 Not tainted 4.9.126+ #38 [ 28.074827] ffff8801d614fac8 ffffffff81af1049 ffffffff82838ba0 00000000ffffffff [ 28.076022] 0000000000000000 0000000000000001 000000000000012f ffff8801d614fb88 [ 28.077191] ffffffff813df5e5 0000000041b58ab3 ffffffff82c286e3 ffffffff813df426 [ 28.078502] Call Trace: [ 28.078870] [] dump_stack+0xc1/0x128 [ 28.079607] [] panic+0x1bf/0x39f [ 28.080278] [] ? add_taint.cold.6+0x16/0x16 [ 28.081092] [] ? vprintk_default+0x1d/0x30 [ 28.081873] [] ? __warn.cold.9+0xa6/0x17f [ 28.082680] [] ? __debug_object_init.cold.8+0x6b/0x258 [ 28.083634] [] __warn.cold.9+0xc1/0x17f [ 28.084384] [] warn_slowpath_null+0x2c/0x40 [ 28.085195] [] __debug_object_init.cold.8+0x6b/0x258 [ 28.086132] [] ? debug_object_fixup+0x30/0x30 [ 28.091390] [] ? selinux_capable+0x36/0x40 [ 28.097290] [] debug_object_init+0x16/0x20 [ 28.103159] [] hrtimer_init+0x2a/0x2e0 [ 28.108676] [] alarm_timer_nsleep+0x14d/0x4d0 [ 28.114795] [] ? alarmtimer_do_nsleep+0x2d0/0x2d0 [ 28.121264] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 28.127992] [] ? __might_fault+0x114/0x1d0 [ 28.133853] [] SyS_clock_nanosleep+0x1b9/0x270 [ 28.140059] [] ? SyS_clock_getres+0x200/0x200 [ 28.146179] [] ? do_syscall_64+0x48/0x480 [ 28.151950] [] ? SyS_clock_getres+0x200/0x200 [ 28.158072] [] do_syscall_64+0x19f/0x480 [ 28.163821] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 28.171217] Dumping ftrace buffer: [ 28.174847] (ftrace buffer empty) [ 28.178537] Kernel Offset: disabled [ 28.182349] Rebooting in 86400 seconds..