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kernel BUG at kernel/sched/deadline.c:1068!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 31079 Comm: syz-executor3 Not tainted 4.9.131+ #50
task: ffff88019f825f00 task.stack: ffff880178838000
RIP: 0010:[<ffffffff811e8120>]  [<ffffffff811e8120>] enqueue_task_dl+0x720/0x1f20 kernel/sched/deadline.c:1093
RSP: 0018:ffff88017883f690  EFLAGS: 00010087
RAX: 0000000000000000 RBX: ffff8801c5ab5f00 RCX: ffffed0033f04cf5
RDX: 1ffff10038b56c4d RSI: ffff8801c5ab5f00 RDI: ffff8801c5ab6268
RBP: ffff88017883f700 R08: ffff88019f8267b0 R09: 0000000000000001
R10: 0000000000000078 R11: 000000e61d8c5c10 R12: ffff8801db621000
R13: ffff8801c5ab6210 R14: 0000000000000000 R15: ffff8801db621000
FS:  00007fecf66ff700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004ede98 CR3: 00000001c70ab000 CR4: 00000000001606b0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 ffffffff81186114 ffff88019f8267a8 ffff8801c5ab5f10 ffff8801c5ab5f00
 0000000000000046 ffff88019f825f00 ffff8801db621018 ffff8801c5ab6310
 ffff8801c5ab5f00 ffff8801c5ab5f00 ffff8801db621000 0000000000000000
Call Trace:
 [<ffffffff81170273>] enqueue_task kernel/sched/core.c:774 [inline]
 [<ffffffff81170273>] activate_task+0x1e3/0x290 kernel/sched/core.c:790
 [<ffffffff811e9c0d>] push_dl_task.part.10+0x2ed/0x430 kernel/sched/deadline.c:1638
 [<ffffffff811ea616>] push_dl_task kernel/sched/deadline.c:1578 [inline]
 [<ffffffff811ea616>] push_dl_tasks.part.11+0x46/0x60 kernel/sched/deadline.c:1654
 [<ffffffff811ea639>] push_dl_tasks+0x9/0x10 kernel/sched/deadline.c:1652
 [<ffffffff81151925>] __balance_callback+0x95/0xe0 kernel/sched/core.c:2865
 [<ffffffff827f3f8d>] balance_callback kernel/sched/core.c:2873 [inline]
 [<ffffffff827f3f8d>] __schedule+0x10ad/0x1b10 kernel/sched/core.c:3504
 [<ffffffff827f4a6f>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff81299503>] freezable_schedule include/linux/freezer.h:171 [inline]
 [<ffffffff81299503>] futex_wait_queue_me+0x2f3/0x5c0 kernel/futex.c:2364
 [<ffffffff8129c2f2>] futex_wait+0x2a2/0x5d0 kernel/futex.c:2479
 [<ffffffff812a044b>] do_futex+0x23b/0x19f0 kernel/futex.c:3262
 [<ffffffff812a1e60>] SYSC_futex kernel/futex.c:3322 [inline]
 [<ffffffff812a1e60>] SyS_futex+0x260/0x370 kernel/futex.c:3290
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff828037d3>] 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  [<ffffffff811e8120>] enqueue_task_dl+0x720/0x1f20 kernel/sched/deadline.c:1093
 RSP <ffff88017883f690>
---[ end trace 655d6c232b06132d ]---