[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [ 10.446638] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 11.884616] random: crng init done Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. 2018/10/24 14:05:43 parsed 1 programs 2018/10/24 14:05:45 executed programs: 0 [ 45.235084] audit: type=1400 audit(1540389950.769:5): avc: denied { associate } for pid=2068 comm="syz-executor3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2018/10/24 14:05:50 executed programs: 6 [ 45.326370] sched: DL replenish lagged too much [ 47.690422] ------------[ cut here ]------------ [ 47.695196] kernel BUG at kernel/sched/deadline.c:1068! [ 47.700550] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 47.705905] Modules linked in: [ 47.709215] CPU: 0 PID: 5622 Comm: syz-executor5 Not tainted 4.9.135+ #59 [ 47.716122] task: ffff8801cb8e17c0 task.stack: ffff8801ca498000 [ 47.722156] RIP: 0010:[] [] enqueue_task_dl+0x720/0x1f20 [ 47.730938] RSP: 0018:ffff8801ca49f400 EFLAGS: 00010087 [ 47.736373] RAX: 0000000000000000 RBX: ffff8801cdd55f00 RCX: ffffed003971c40d [ 47.743821] RDX: 1ffff10039baac4d RSI: ffff8801cdd55f00 RDI: ffff8801cdd56268 [ 47.751078] RBP: ffff8801ca49f470 R08: ffff8801cb8e2070 R09: 0000000000000001 [ 47.758352] R10: 0000000000000078 R11: 0000000b80bf9eb2 R12: ffff8801db721000 [ 47.765618] R13: ffff8801cdd56210 R14: 0000000000000000 R15: ffff8801db721000 [ 47.772964] FS: 00007fd863e5d700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 47.781172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.787036] CR2: 00000000004d5070 CR3: 00000001cde56000 CR4: 00000000001606b0 [ 47.794291] Stack: [ 47.796428] ffffffff81185ff4 ffff8801cb8e2068 ffff8801cdd55f10 ffff8801cdd55f00 [ 47.804466] 0000000000000046 ffff8801cb8e17c0 ffff8801db721018 ffff8801cdd56310 [ 47.812512] ffff8801cdd55f00 ffff8801cdd55f00 ffff8801db721000 0000000000000000 [ 47.820546] Call Trace: [ 47.823126] [] ? sched_clock_cpu+0x144/0x1c0 [ 47.829170] [] activate_task+0x1e3/0x290 [ 47.834868] [] push_dl_task.part.10+0x2ed/0x430 [ 47.841176] [] ? __balance_callback+0x19/0xe0 [ 47.847314] [] push_dl_tasks.part.11+0x46/0x60 [ 47.853535] [] push_dl_tasks+0x9/0x10 [ 47.858983] [] __balance_callback+0x95/0xe0 [ 47.864946] [] __schedule+0x10ad/0x1b10 [ 47.870565] [] ? debug_rt_mutex_print_deadlock+0x1bb/0x230 [ 47.877832] [] schedule+0x7f/0x1b0 [ 47.883015] [] __rt_mutex_slowlock+0xb0/0x2d0 [ 47.889150] [] ? rt_mutex_slowunlock+0x1c0/0x1c0 [ 47.895549] [] ? _raw_spin_unlock+0x2c/0x50 [ 47.901512] [] ? task_blocks_on_rt_mutex+0x422/0x510 [ 47.908272] [] ? try_to_take_rt_mutex+0x12d/0x480 [ 47.914758] [] rt_mutex_slowlock+0x197/0x530 [ 47.920802] [] ? __rt_mutex_slowlock+0x2d0/0x2d0 [ 47.927197] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 47.933502] [] ? __might_sleep+0x95/0x1a0 [ 47.939287] [] rt_mutex_lock+0x2c/0x30 [ 47.944814] [] process_notifier+0x9d/0x670 [ 47.950686] [] ? uid_remove_write+0x4e0/0x4e0 [ 47.956817] [] notifier_call_chain+0xb4/0x1d0 [ 47.962951] [] blocking_notifier_call_chain+0x7e/0xa0 [ 47.969784] [] profile_task_exit+0x1e/0x30 [ 47.975652] [] do_exit+0x9e/0x29d0 [ 47.980829] [] ? trace_hardirqs_on+0x10/0x10 [ 47.986875] [] ? release_task.part.4+0x14b0/0x14b0 [ 47.993446] [] ? __dequeue_signal+0x79/0x5f0 [ 47.999490] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 48.006233] [] ? recalc_sigpending+0x72/0x90 [ 48.012286] [] ? dequeue_signal+0xc4/0x4b0 [ 48.018162] [] ? check_preemption_disabled+0x3b/0x170 [ 48.024992] [] do_group_exit+0x111/0x300 [ 48.030689] [] get_signal+0x4e1/0x1460 [ 48.036217] [] do_signal+0x95/0x1b00 [ 48.041578] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 48.048321] [] ? setup_sigcontext+0x7d0/0x7d0 [ 48.054453] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 48.061192] [] ? do_futex+0x19f0/0x19f0 [ 48.066802] [] ? exit_to_usermode_loop+0xbe/0x150 [ 48.073283] [] exit_to_usermode_loop+0x10e/0x150 [ 48.079674] [] do_syscall_64+0x3e2/0x550 [ 48.085375] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 48.092280] Code: c0 03 38 d0 7c 08 84 d2 0f 85 b8 14 00 00 83 bb cc 03 00 00 01 0f 8e 05 fa ff ff 48 89 de 4c 89 ff e8 55 f5 ff ff e9 f5 f9 ff ff <0f> 0b 4c 89 e6 4c 89 ef e8 23 b5 ff ff 48 c7 45 d0 00 10 02 00 [ 48.119775] RIP [] enqueue_task_dl+0x720/0x1f20 [ 48.126212] RSP [ 48.129825] ---[ end trace 487854541371bcf0 ]--- [ 48.134565] Kernel panic - not syncing: Fatal exception [ 49.293738] Shutting down cpus with NMI [ 49.298007] Kernel Offset: disabled [ 49.301614] Rebooting in 86400 seconds..