[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 9.475288] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 13.650974] random: crng init done Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. executing program [ 49.798039] audit: type=1400 audit(1549934221.693:5): avc: denied { wake_alarm } for pid=2069 comm="syz-executor138" 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 [ 49.801652] ODEBUG: object ffff8801ce147d40 is on stack ffff8801ce140000, but NOT annotated. [ 49.802953] ------------[ cut here ]------------ [ 49.803606] WARNING: CPU: 1 PID: 2069 at lib/debugobjects.c:303 __debug_object_init.cold+0x6b/0x2fd [ 49.804879] Kernel panic - not syncing: panic_on_warn set ... [ 49.804879] [ 49.805876] CPU: 1 PID: 2069 Comm: syz-executor138 Not tainted 4.9.155+ #27 [ 49.806860] ffff8801ce147a58 ffffffff81b47871 0000000000000000 ffffffff82a39be0 [ 49.808266] 00000000ffffffff 0000000000000001 0000000000000009 ffff8801ce147b38 [ 49.809623] ffffffff813f746a 0000000041b58ab3 ffffffff82e35b4a ffffffff813f7291 [ 49.810881] Call Trace: [ 49.811246] [] dump_stack+0xc1/0x120 [ 49.812036] [] panic+0x1d9/0x3bd [ 49.812747] [] ? add_taint.cold+0x16/0x16 [ 49.813701] [] ? vprintk+0x28/0x30 [ 49.814465] [] ? printk+0xc2/0xf5 [ 49.815263] [] ? __warn.cold+0x14/0x2f [ 49.816051] [] ? __debug_object_init.cold+0x6b/0x2fd [ 49.817068] [] __warn.cold+0x2f/0x2f [ 49.817822] [] warn_slowpath_null+0x2d/0x40 [ 49.822056] [] __debug_object_init.cold+0x6b/0x2fd [ 49.828677] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 49.835472] [] ? debug_object_fixup+0x30/0x30 [ 49.841612] [] ? selinux_capable+0x36/0x40 [ 49.847485] [] debug_object_init+0x16/0x20 [ 49.853360] [] hrtimer_init+0x2a/0x2f0 [ 49.858896] [] alarm_timer_nsleep+0x160/0x4e0 [ 49.865044] [] ? alarmtimer_do_nsleep+0x2a0/0x2a0 [ 49.871536] [] ? handle_mm_fault+0x54a/0x2380 [ 49.877674] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 49.884570] [] ? __might_fault+0x114/0x1d0 [ 49.890463] [] SyS_clock_nanosleep+0x1be/0x280 [ 49.896696] [] ? SyS_clock_getres+0x200/0x200 [ 49.902852] [] ? do_syscall_64+0x4a/0x570 [ 49.908642] [] ? SyS_clock_getres+0x200/0x200 [ 49.914822] [] do_syscall_64+0x1ad/0x570 [ 49.920542] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 49.927957] Kernel Offset: disabled [ 49.931880] Rebooting in 86400 seconds..