[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 10.884392] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 11.047307] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.438850] audit: type=1400 audit(1557275376.285:5): avc: denied { wake_alarm } for pid=2052 comm="syz-executor771" 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 [ 32.443024] ODEBUG: object 0000000079f0a714 is on stack 000000002e16e79d, but NOT annotated. [ 32.444216] ------------[ cut here ]------------ [ 32.444985] WARNING: CPU: 1 PID: 2052 at lib/debugobjects.c:303 __debug_object_init.cold+0x6b/0x2fd [ 32.446383] Kernel panic - not syncing: panic_on_warn set ... [ 32.446383] [ 32.447604] CPU: 1 PID: 2052 Comm: syz-executor771 Not tainted 4.9.173 #1 [ 32.448566] ffff8801d2ee7a58 ffffffff81b4fc11 0000000000000000 ffffffff82a39c20 [ 32.449831] 00000000ffffffff 0000000000000001 0000000000000009 ffff8801d2ee7b38 [ 32.451046] ffffffff813f970a 0000000041b58ab3 ffffffff82e2f182 ffffffff813f9531 [ 32.452318] Call Trace: [ 32.452838] [<00000000b6e3ebe6>] dump_stack+0xc1/0x120 [ 32.453562] [<00000000ded2da93>] panic+0x1d9/0x3bd [ 32.454276] [<00000000cc7e374c>] ? add_taint.cold+0x16/0x16 [ 32.455112] [<000000007879085f>] ? vprintk+0x28/0x30 [ 32.455838] [<00000000f27047c0>] ? printk+0xc2/0xf5 [ 32.456722] [<00000000d6c96c40>] ? __warn.cold+0x14/0x2f [ 32.457549] [<00000000ebfa1acd>] ? __debug_object_init.cold+0x6b/0x2fd [ 32.458507] [<0000000086076782>] __warn.cold+0x2f/0x2f [ 32.460899] [<0000000067efd6bb>] warn_slowpath_null+0x2d/0x40 [ 32.466855] [<00000000ebfa1acd>] __debug_object_init.cold+0x6b/0x2fd [ 32.473413] [<0000000090c5b73f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 32.480146] [<0000000054172788>] ? debug_object_fixup+0x30/0x30 [ 32.486268] [<00000000e9f39251>] ? selinux_capable+0x36/0x40 [ 32.492197] [<000000008cf97d36>] debug_object_init+0x16/0x20 [ 32.498076] [<00000000508c4277>] hrtimer_init+0x2a/0x2f0 [ 32.503623] [<0000000093a09361>] alarm_timer_nsleep+0x160/0x4e0 [ 32.509762] [<00000000ec75b311>] ? alarmtimer_do_nsleep+0x2a0/0x2a0 [ 32.516250] [<000000005726e330>] ? handle_mm_fault+0x546/0x2420 [ 32.522385] [<0000000090c5b73f>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 32.529129] [<000000002c7f21e9>] ? __might_fault+0x114/0x1d0 [ 32.535001] [<00000000a0577015>] SyS_clock_nanosleep+0x1be/0x280 [ 32.541230] [<000000002cbf8398>] ? SyS_clock_getres+0x200/0x200 [ 32.547358] [<00000000dfe46900>] ? do_syscall_64+0x4a/0x570 [ 32.553139] [<000000002cbf8398>] ? SyS_clock_getres+0x200/0x200 [ 32.559266] [<000000001d9b2bc7>] do_syscall_64+0x1ad/0x570 [ 32.564961] [<000000006b47235c>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 32.572351] Kernel Offset: disabled [ 32.576181] Rebooting in 86400 seconds..