------------[ cut here ]------------
WARNING: CPU: 0 PID: 7580 at kernel/sched/deadline.c:662 __enqueue_dl_entity kernel/sched/deadline.c:1414 [inline]
WARNING: CPU: 0 PID: 7580 at kernel/sched/deadline.c:662 enqueue_dl_entity kernel/sched/deadline.c:1466 [inline]
WARNING: CPU: 0 PID: 7580 at kernel/sched/deadline.c:662 enqueue_task_dl+0x1b61/0x2930 kernel/sched/deadline.c:1534
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 7580 Comm: syz-executor.3 Not tainted 5.8.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x134/0x187 lib/dump_stack.c:118
 panic+0x22a/0x4e3 kernel/panic.c:231
 __warn.cold.12+0x25/0x27 kernel/panic.c:600
 report_bug+0x1b5/0x260 lib/bug.c:198
 exc_invalid_op+0x1be/0x370 arch/x86/kernel/traps.c:235
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563
RIP: 0010:setup_new_dl_entity kernel/sched/deadline.c:662 [inline]
RIP: 0010:enqueue_dl_entity kernel/sched/deadline.c:1463 [inline]
RIP: 0010:enqueue_task_dl+0x1b61/0x2930 kernel/sched/deadline.c:1534
Code: 89 45 c8 e8 b1 b7 52 00 b9 ff ff 37 00 4c 8b 4d a8 48 8b 55 b0 48 c1 e1 2a 4c 8b 5d b8 44 8b 55 c0 48 8b 45 c8 e9 b8 e7 ff ff <0f> 0b e9 0e f5 ff ff 0f 0b e9 73 f5 ff ff 48 89 d7 4c 89 4d b0 44
RSP: 0018:ffff888088cd7cb0 EFLAGS: 00010002
RAX: 0000000000000000 RBX: ffff8880a141a2c0 RCX: ffffffff898d5414
RDX: ffff8880a141a580 RSI: 0000000000000002 RDI: ffffffff88792920
RBP: ffff888088cd7d28 R08: 000000160d38a8a8 R09: 1ffffffff10f2524
R10: ffff8880aea36bdb R11: ffffed1015d46d7b R12: ffff8880a141a58c
R13: ffff8880aea35d00 R14: ffff8880a141a538 R15: ffff8880aea35d00
 enqueue_task+0xad/0x2c0 kernel/sched/core.c:1295
 __sched_setscheduler+0xf03/0x2270 kernel/sched/core.c:5072
 sched_setattr kernel/sched/core.c:5138 [inline]
 __do_sys_sched_setattr kernel/sched/core.c:5300 [inline]
 __se_sys_sched_setattr kernel/sched/core.c:5273 [inline]
 __x64_sys_sched_setattr+0x1c7/0x330 kernel/sched/core.c:5273
 do_syscall_64+0x64/0xe0 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x459819
Code: Bad RIP value.
RSP: 002b:00007fae79eb1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fae79eb26d4
R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff
Kernel Offset: disabled