------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 6497 at kernel/locking/lockdep.c:234 hlock_class kernel/locking/lockdep.c:234 [inline] WARNING: CPU: 0 PID: 6497 at kernel/locking/lockdep.c:234 check_wait_context kernel/locking/lockdep.c:4852 [inline] WARNING: CPU: 0 PID: 6497 at kernel/locking/lockdep.c:234 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178 Modules linked in: CPU: 0 UID: 0 PID: 6497 Comm: syz.0.139 Not tainted 6.13.0-syzkaller-08265-g9c5968db9e62 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:hlock_class kernel/locking/lockdep.c:234 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4852 [inline] RIP: 0010:__lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178 Code: 00 00 83 3d f1 e0 80 0e 00 75 23 90 48 c7 c7 c0 8e 0a 8c 48 c7 c6 c0 91 0a 8c e8 77 45 e5 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 81 c3 c4 00 00 00 48 89 d8 48 c1 e8 03 0f RSP: 0018:ffffc900052b7610 EFLAGS: 00010046 RAX: 01aec6649aa10b00 RBX: 0000000000000c80 RCX: ffff8880353e0000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000c0c80 R08: ffffffff81802842 R09: 1ffff110170c519a R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff8880353e0ad4 R13: 000000000000000a R14: 1ffff11006a7c16c R15: ffff8880353e0b60 FS: 00005555621bd500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c382143 CR3: 0000000030b6e000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:606 _double_lock_balance kernel/sched/sched.h:3006 [inline] double_lock_balance kernel/sched/sched.h:3051 [inline] find_lock_lowest_rq+0x1e1/0x670 kernel/sched/rt.c:1914 push_rt_task+0x144/0x790 kernel/sched/rt.c:2048 push_rt_tasks kernel/sched/rt.c:2096 [inline] task_woken_rt+0x14c/0x220 kernel/sched/rt.c:2394 ttwu_do_activate+0x30c/0x760 kernel/sched/core.c:3740 ttwu_queue kernel/sched/core.c:4001 [inline] try_to_wake_up+0x89b/0x1470 kernel/sched/core.c:4329 wake_up_process kernel/sched/core.c:4462 [inline] wake_up_q+0xc8/0x120 kernel/sched/core.c:1074 futex_wake+0x523/0x5c0 kernel/futex/waitwake.c:199 do_futex+0x392/0x560 kernel/futex/syscalls.c:107 __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: 0033:0x7f0412d8cd29 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:00007ffc4727c758 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f0412fa6168 RCX: 00007f0412d8cd29 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0412fa6168 RBP: 00007f0412fa616c R08: 0000000000000003 R09: 00007ffc4727ca4f R10: 00007f0412fa5fa0 R11: 0000000000000246 R12: 0000000000000002 R13: 00007f0412fa6160 R14: 0000000000000005 R15: 00000000000014de