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kernel BUG at kernel/sched/deadline.c:1068!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 27310 Comm: syz-executor1 Not tainted 4.9.122-g54068d6 #26
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d870e000 task.stack: ffff88019a908000
RIP: 0010:[<ffffffff8121e4bf>]  [<ffffffff8121e4bf>] __enqueue_dl_entity kernel/sched/deadline.c:987 [inline]
RIP: 0010:[<ffffffff8121e4bf>]  [<ffffffff8121e4bf>] enqueue_dl_entity kernel/sched/deadline.c:1039 [inline]
RIP: 0010:[<ffffffff8121e4bf>]  [<ffffffff8121e4bf>] enqueue_task_dl+0x31f/0x1f40 kernel/sched/deadline.c:1090
RSP: 0018:ffff88019a90f6a8  EFLAGS: 00010087
RAX: 0000000000000000 RBX: ffff8801d8274800 RCX: 1ffff1003b04e96d
RDX: 0000000000000000 RSI: ffff8801d8274800 RDI: ffff8801d8274b68
RBP: ffff88019a90f718 R08: ffff88021fffd018 R09: 0000000000000008
R10: 0000000000000001 R11: 0000000000000078 R12: ffff8801db321c00
R13: ffff8801d8274b10 R14: ffff8801db321c00 R15: 0000000000000000
FS:  00007fdbaa620700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdfeb7fefc CR3: 00000001cb40e000 CR4: 00000000001606f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Stack:
 0000000000000001 ffff88019a90f6f0 ffffffff812324a2 ffff8801d870e8c0
 0000000000000046 ffff8801d870e000 ffff8801db321c18 ffff8801d8274c18
 ffff8801d8274800 ffff8801d8274800 ffff8801db321c00 0000000000000000
Call Trace:
 [<ffffffff811ccce3>] enqueue_task kernel/sched/core.c:774 [inline]
 [<ffffffff811ccce3>] activate_task+0x153/0x280 kernel/sched/core.c:790
 [<ffffffff8121d524>] push_dl_task.part.36+0x2e4/0x430 kernel/sched/deadline.c:1638
 [<ffffffff8121d6b6>] push_dl_task kernel/sched/deadline.c:1578 [inline]
 [<ffffffff8121d6b6>] push_dl_tasks.part.37+0x46/0x60 kernel/sched/deadline.c:1654
 [<ffffffff8121d6d9>] push_dl_tasks+0x9/0x10 kernel/sched/deadline.c:1652
 [<ffffffff811ae2c5>] __balance_callback+0x95/0xe0 kernel/sched/core.c:2865
 [<ffffffff839f0828>] balance_callback kernel/sched/core.c:2873 [inline]
 [<ffffffff839f0828>] __schedule+0x10a8/0x1bd0 kernel/sched/core.c:3504
 [<ffffffff839f13cf>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff812d3853>] freezable_schedule include/linux/freezer.h:171 [inline]
 [<ffffffff812d3853>] futex_wait_queue_me+0x2f3/0x5c0 kernel/futex.c:2364
 [<ffffffff812d6902>] futex_wait+0x2a2/0x5d0 kernel/futex.c:2479
 [<ffffffff812da14d>] do_futex+0x23d/0x17c0 kernel/futex.c:3262
 [<ffffffff812db8ce>] SYSC_futex kernel/futex.c:3322 [inline]
 [<ffffffff812db8ce>] SyS_futex+0x1fe/0x310 kernel/futex.c:3290
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff83a00cd3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 48 c1 e8 03 80 3c 10 00 0f 85 c2 11 00 00 41 80 39 00 49 8b 47 48 0f 85 df 11 00 00 48 39 83 58 03 00 00 79 ad 49 8d 47 10 eb ae <0f> 0b 4c 8d 53 3c 48 c7 c6 00 1c 02 00 48 bf 00 00 00 00 00 fc 
RIP  [<ffffffff8121e4bf>] __enqueue_dl_entity kernel/sched/deadline.c:987 [inline]
RIP  [<ffffffff8121e4bf>] enqueue_dl_entity kernel/sched/deadline.c:1039 [inline]
RIP  [<ffffffff8121e4bf>] enqueue_task_dl+0x31f/0x1f40 kernel/sched/deadline.c:1090
 RSP <ffff88019a90f6a8>
---[ end trace 40f097469e8e08a3 ]---