------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 5866 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 0 PID: 5866 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4850 [inline] WARNING: CPU: 0 PID: 5866 at kernel/locking/lockdep.c:232 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5176 Modules linked in: CPU: 0 UID: 0 PID: 5866 Comm: syz-executor Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4850 [inline] RIP: 0010:__lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5176 Code: 00 00 83 3d e1 60 ac 0e 00 75 23 90 48 c7 c7 40 d7 0a 8c 48 c7 c6 40 da 0a 8c e8 77 64 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:ffffc90002fff610 EFLAGS: 00010046 RAX: 39033eecf0534a00 RBX: 0000000000000ed8 RCX: ffff88805f070000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000c0ed8 R08: ffffffff815688b2 R09: 1ffff110170c519a R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88805f070ac4 R13: 0000000000000014 R14: 1ffff1100be0e174 R15: ffff88805f070ba0 FS: 0000555578f32500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c230000 CR3: 000000007e4da000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 _double_lock_balance kernel/sched/sched.h:2980 [inline] double_lock_balance kernel/sched/sched.h:3025 [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:3732 ttwu_queue kernel/sched/core.c:3993 [inline] try_to_wake_up+0x89b/0x1470 kernel/sched/core.c:4321 signal_wake_up_state+0xb4/0x120 kernel/signal.c:733 signal_wake_up include/linux/sched/signal.h:445 [inline] complete_signal+0xb36/0xcf0 kernel/signal.c:1022 __send_signal_locked+0xbd4/0xe90 kernel/signal.c:1152 do_send_sig_info kernel/signal.c:1268 [inline] group_send_sig_info+0x292/0x310 kernel/signal.c:1418 __kill_pgrp_info kernel/signal.c:1434 [inline] kill_something_info kernel/signal.c:1584 [inline] __do_sys_kill kernel/signal.c:3937 [inline] __se_sys_kill+0x431/0x5d0 kernel/signal.c:3931 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: 0033:0x7fa4c511a3b7 Code: 48 83 c4 08 c3 66 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff 64 89 02 b8 ff ff ff ff eb e4 0f 1f 80 00 00 00 00 b8 3e 00 00 00 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:00007ffcc4cb4808 EFLAGS: 00000283 ORIG_RAX: 000000000000003e RAX: ffffffffffffffda RBX: 0000000000000150 RCX: 00007fa4c511a3b7 RDX: 00000000000007ad RSI: 0000000000000009 RDI: 00000000fffffeb0 RBP: 00007ffcc4cb483c R08: 00000000321da6e3 R09: 7fffffffffffffff R10: 00007fa4c5fe7038 R11: 0000000000000283 R12: 0000000000000064 R13: 00000000000385db R14: 00000000000381cd R15: 00007ffcc4cb4890