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kernel BUG at kernel/sched/deadline.c:1068!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 29163 Comm: syz-executor.5 Not tainted 4.9.155+ #27
task: ffff880108594740 task.stack: ffff8801149d0000
RIP: 0010:[<ffffffff811e8be2>]  [<ffffffff811e8be2>] enqueue_task_dl+0x772/0x2050 kernel/sched/deadline.c:1068
RSP: 0018:ffff8801149d7750  EFLAGS: 00010087
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff880108594ff0
RDX: 1ffff10039d91365 RSI: ffff8801cec897c0 RDI: ffff8801cec89b28
RBP: ffff8801149d77c0 R08: ffff88021fffd01c R09: ffff88021fffd008
R10: ffff88021fffd010 R11: 0000000000000001 R12: ffff8801cec897c0
R13: 0000000000000078 R14: ffff8801db721000 R15: ffff8801cec89ad0
FS:  00007ff46fce5700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f53b000 CR3: 000000015dee6000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Stack:
 ffffffff81185de4 ffff880108594740 0000000000000000 ffff8801cec897d0
 0000000000000046 ffff8801db721018 ffff880108594740 0000000000000000
 ffff8801cec897d0 ffffffff82a4bb00 ffff8801cec897c0 ffff8801db721000
Call Trace:
 [<ffffffff8116faba>] enqueue_task kernel/sched/core.c:774 [inline]
 [<ffffffff8116faba>] activate_task+0x15a/0x290 kernel/sched/core.c:790
 [<ffffffff811ea7ce>] push_dl_task.part.0+0x30e/0x470 kernel/sched/deadline.c:1638
 [<ffffffff811eb2b6>] push_dl_task kernel/sched/deadline.c:1578 [inline]
 [<ffffffff811eb2b6>] push_dl_tasks+0x46/0x60 kernel/sched/deadline.c:1654
 [<ffffffff8115105a>] __balance_callback+0x9a/0xe0 kernel/sched/core.c:2865
 [<ffffffff828071cc>] balance_callback kernel/sched/core.c:2873 [inline]
 [<ffffffff828071cc>] __schedule+0x101c/0x1b50 kernel/sched/core.c:3504
 [<ffffffff82807d92>] schedule+0x92/0x1c0 kernel/sched/core.c:3553
 [<ffffffff8129963c>] freezable_schedule include/linux/freezer.h:171 [inline]
 [<ffffffff8129963c>] futex_wait_queue_me+0x2ec/0x5a0 kernel/futex.c:2372
 [<ffffffff8129c3d8>] futex_wait+0x208/0x5d0 kernel/futex.c:2487
 [<ffffffff812a05b9>] do_futex+0x159/0x1a70 kernel/futex.c:3270
 [<ffffffff812a2123>] SYSC_futex kernel/futex.c:3330 [inline]
 [<ffffffff812a2123>] SyS_futex+0x253/0x360 kernel/futex.c:3298
 [<ffffffff810056bd>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285
 [<ffffffff82816a93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 38 d0 7c 08 84 d2 0f 85 f6 11 00 00 41 83 bc 24 cc 03 00 00 01 0f 8e b5 f9 ff ff 4c 89 e6 4c 89 f7 e8 93 f4 ff ff e9 a5 f9 ff ff <0f> 0b 4c 89 ee 4c 89 ff e8 91 b4 ff ff 48 c7 c2 00 10 02 00 4d 
RIP  [<ffffffff811e8be2>] enqueue_task_dl+0x772/0x2050 kernel/sched/deadline.c:1093
 RSP <ffff8801149d7750>
---[ end trace 7e1aaf17f7e1fe5f ]---