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kernel BUG at kernel/sched/rt.c:1035!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5393 Comm: syz.4.21 Not tainted 6.11.0-rc4-next-20240821-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:dequeue_top_rt_rq kernel/sched/rt.c:1035 [inline]
RIP: 0010:dequeue_rt_stack+0xb93/0xbc0 kernel/sched/rt.c:1434
Code: 00 00 00 fc ff df e9 0d f5 ff ff 48 c7 c7 00 e0 7f 8e 48 89 de e8 3d 29 83 03 48 ba 00 00 00 00 00 fc ff df e9 fb fd ff ff 90 <0f> 0b f3 0f 1e fa 8b 74 24 10 f7 de 4c 89 f7 e8 59 93 f8 ff 48 ba
RSP: 0018:ffffc9000635f730 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff816d636b
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881412821e0
RBP: 1ffff11017227d50 R08: ffff8881412821e7 R09: 1ffff1102825043c
R10: dffffc0000000000 R11: ffffed102825043d R12: ffff8880b913ea80
R13: 1ffff11017227e77 R14: ffff8880b913ea40 R15: ffff8880b913f3b8
FS:  00007fe08ffbc6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe08ff9af98 CR3: 00000000208fa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dequeue_rt_entity kernel/sched/rt.c:1455 [inline]
 dequeue_task_rt+0x12a/0x740 kernel/sched/rt.c:1491
 block_task kernel/sched/core.c:2079 [inline]
 __schedule+0x5d9/0x4b30 kernel/sched/core.c:6627
 __schedule_loop kernel/sched/core.c:6754 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6769
 futex_wait_queue+0x14e/0x1d0 kernel/futex/waitwake.c:370
 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669
 futex_wait+0x101/0x360 kernel/futex/waitwake.c:697
 do_futex+0x33b/0x560 kernel/futex/syscalls.c:102
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex+0x3f9/0x480 kernel/futex/syscalls.c:160
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe08f179e79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe08ffbc0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fe08f315f88 RCX: 00007fe08f179e79
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe08f315f88
RBP: 00007fe08f315f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe08f315f8c
R13: 0000000000000000 R14: 00007ffd2ba288c0 R15: 00007ffd2ba289a8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dequeue_top_rt_rq kernel/sched/rt.c:1035 [inline]
RIP: 0010:dequeue_rt_stack+0xb93/0xbc0 kernel/sched/rt.c:1434
Code: 00 00 00 fc ff df e9 0d f5 ff ff 48 c7 c7 00 e0 7f 8e 48 89 de e8 3d 29 83 03 48 ba 00 00 00 00 00 fc ff df e9 fb fd ff ff 90 <0f> 0b f3 0f 1e fa 8b 74 24 10 f7 de 4c 89 f7 e8 59 93 f8 ff 48 ba
RSP: 0018:ffffc9000635f730 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff816d636b
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881412821e0
RBP: 1ffff11017227d50 R08: ffff8881412821e7 R09: 1ffff1102825043c
R10: dffffc0000000000 R11: ffffed102825043d R12: ffff8880b913ea80
R13: 1ffff11017227e77 R14: ffff8880b913ea40 R15: ffff8880b913f3b8
FS:  00007fe08ffbc6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe08ff9af98 CR3: 00000000208fa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400