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
sched: DL replenish lagged too much
------------[ cut here ]------------
kernel BUG at kernel/sched/deadline.c:1068!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 5622 Comm: syz-executor5 Not tainted 4.9.135+ #59
task: ffff8801cb8e17c0 task.stack: ffff8801ca498000
RIP: 0010:[<ffffffff811e8060>]  [<ffffffff811e8060>] enqueue_task_dl+0x720/0x1f20 kernel/sched/deadline.c:1093
RSP: 0018:ffff8801ca49f400  EFLAGS: 00010087
RAX: 0000000000000000 RBX: ffff8801cdd55f00 RCX: ffffed003971c40d
RDX: 1ffff10039baac4d RSI: ffff8801cdd55f00 RDI: ffff8801cdd56268
RBP: ffff8801ca49f470 R08: ffff8801cb8e2070 R09: 0000000000000001
R10: 0000000000000078 R11: 0000000b80bf9eb2 R12: ffff8801db721000
R13: ffff8801cdd56210 R14: 0000000000000000 R15: ffff8801db721000
FS:  00007fd863e5d700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004d5070 CR3: 00000001cde56000 CR4: 00000000001606b0
Stack:
 ffffffff81185ff4 ffff8801cb8e2068 ffff8801cdd55f10 ffff8801cdd55f00
 0000000000000046 ffff8801cb8e17c0 ffff8801db721018 ffff8801cdd56310
 ffff8801cdd55f00 ffff8801cdd55f00 ffff8801db721000 0000000000000000
Call Trace:
 [<ffffffff81170153>] enqueue_task kernel/sched/core.c:774 [inline]
 [<ffffffff81170153>] activate_task+0x1e3/0x290 kernel/sched/core.c:790
 [<ffffffff811e9b4d>] push_dl_task.part.10+0x2ed/0x430 kernel/sched/deadline.c:1638
 [<ffffffff811ea556>] push_dl_task kernel/sched/deadline.c:1578 [inline]
 [<ffffffff811ea556>] push_dl_tasks.part.11+0x46/0x60 kernel/sched/deadline.c:1654
 [<ffffffff811ea579>] push_dl_tasks+0x9/0x10 kernel/sched/deadline.c:1652
 [<ffffffff81151805>] __balance_callback+0x95/0xe0 kernel/sched/core.c:2865
 [<ffffffff827f3bdd>] balance_callback kernel/sched/core.c:2873 [inline]
 [<ffffffff827f3bdd>] __schedule+0x10ad/0x1b10 kernel/sched/core.c:3504
 [<ffffffff827f46bf>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff827fd6f0>] __rt_mutex_slowlock+0xb0/0x2d0 kernel/locking/rtmutex.c:1221
 [<ffffffff827fdaa7>] rt_mutex_slowlock+0x197/0x530 kernel/locking/rtmutex.c:1293
 [<ffffffff827fde6c>] rt_mutex_fastlock kernel/locking/rtmutex.c:1439 [inline]
 [<ffffffff827fde6c>] rt_mutex_lock+0x2c/0x30 kernel/locking/rtmutex.c:1499
 [<ffffffff81de250d>] process_notifier+0x9d/0x670 drivers/misc/uid_sys_stats.c:636
 [<ffffffff81147574>] notifier_call_chain+0xb4/0x1d0 kernel/notifier.c:93
 [<ffffffff811489ce>] __blocking_notifier_call_chain kernel/notifier.c:317 [inline]
 [<ffffffff811489ce>] blocking_notifier_call_chain+0x7e/0xa0 kernel/notifier.c:328
 [<ffffffff812590ae>] profile_task_exit+0x1e/0x30 kernel/profile.c:140
 [<ffffffff810e635e>] do_exit+0x9e/0x29d0 kernel/exit.c:736
 [<ffffffff810ed121>] do_group_exit+0x111/0x300 kernel/exit.c:937
 [<ffffffff8110e8c1>] get_signal+0x4e1/0x1460 kernel/signal.c:2321
 [<ffffffff81052a55>] do_signal+0x95/0x1b00 arch/x86/kernel/signal.c:807
 [<ffffffff81003e2e>] exit_to_usermode_loop+0x10e/0x150 arch/x86/entry/common.c:158
 [<ffffffff81005932>] prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 [<ffffffff81005932>] syscall_return_slowpath arch/x86/entry/common.c:263 [inline]
 [<ffffffff81005932>] do_syscall_64+0x3e2/0x550 arch/x86/entry/common.c:290
 [<ffffffff82803413>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
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 
RIP  [<ffffffff811e8060>] enqueue_task_dl+0x720/0x1f20 kernel/sched/deadline.c:1093
 RSP <ffff8801ca49f400>
---[ end trace 487854541371bcf0 ]---