------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 5228 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 1 PID: 5228 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4773 [inline] WARNING: CPU: 1 PID: 5228 at kernel/locking/lockdep.c:232 __lock_acquire+0x573/0x1fd0 kernel/locking/lockdep.c:5087 Modules linked in: CPU: 1 PID: 5228 Comm: syz.4.5 Not tainted 6.10.0-rc5-syzkaller-00253-gde0a9f448633 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4773 [inline] RIP: 0010:__lock_acquire+0x573/0x1fd0 kernel/locking/lockdep.c:5087 Code: 00 00 83 3d ce 0f 3b 0e 00 75 23 90 48 c7 c7 e0 b9 ca 8b 48 c7 c6 80 bc ca 8b e8 98 e2 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:ffffc900043d7630 EFLAGS: 00010046 RAX: 975ce81893f8e300 RBX: 0000000000000cf0 RCX: 0000000000040000 RDX: dffffc0000000000 RSI: 0000000000002d07 RDI: 0000000000002d08 RBP: 000000000000000a R08: ffffffff81585822 R09: 1ffff110172a519a R10: dffffc0000000000 R11: ffffed10172a519b R12: 0000000000000001 R13: ffff88807b741e00 R14: 000000000000000a R15: ffff88807b742950 FS: 00007fdfc90d66c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdfc90d5fa8 CR3: 000000007c0ca000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559 _double_lock_balance kernel/sched/sched.h:2715 [inline] double_lock_balance kernel/sched/sched.h:2760 [inline] find_lock_lowest_rq+0x1e1/0x670 kernel/sched/rt.c:1941 push_rt_task+0x13f/0x7e0 kernel/sched/rt.c:2074 push_rt_tasks kernel/sched/rt.c:2124 [inline] task_woken_rt+0x14c/0x220 kernel/sched/rt.c:2424 ttwu_do_activate+0x338/0x7e0 kernel/sched/core.c:3805 ttwu_queue kernel/sched/core.c:4057 [inline] try_to_wake_up+0x884/0x1470 kernel/sched/core.c:4378 wake_up_process kernel/sched/core.c:4510 [inline] wake_up_q+0xc8/0x120 kernel/sched/core.c:1029 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: 0033:0x7fdfc8375b99 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:00007fdfc90d60f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fdfc8504158 RCX: 00007fdfc8375b99 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fdfc850415c RBP: 00007fdfc8504150 R08: 7fffffffffffffff R09: 00007fdfc90d66c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdfc850415c R13: 000000000000006e R14: 00007ffe7848fe20 R15: 00007ffe7848ff08