------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 9112 at kernel/locking/lockdep.c:234 hlock_class kernel/locking/lockdep.c:234 [inline] WARNING: CPU: 0 PID: 9112 at kernel/locking/lockdep.c:234 check_wait_context kernel/locking/lockdep.c:4852 [inline] WARNING: CPU: 0 PID: 9112 at kernel/locking/lockdep.c:234 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178 Modules linked in: CPU: 0 UID: 0 PID: 9112 Comm: syz.0.818 Not tainted 6.14.0-rc7-syzkaller-00196-g88d324e69ea9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 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 b1 4f a0 0e 00 75 23 90 48 c7 c7 40 b2 2a 8c 48 c7 c6 40 b5 2a 8c e8 47 bd e4 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:ffffc90004d57490 EFLAGS: 00010046 RAX: 589827d88abe0900 RBX: 0000000000001b20 RCX: 0000000000080000 RDX: dffffc0000000000 RSI: 0000000000002e72 RDI: 0000000000002e73 RBP: 00000000000c1b20 R08: ffffffff81819e52 R09: 1ffff110170c519a R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff888061bba8d4 R13: 0000000000000000 R14: 1ffff1100c377522 R15: ffff888061bba910 FS: 00007fc898c226c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc898c21f98 CR3: 000000005e484000 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 raw_spin_rq_lock kernel/sched/sched.h:1521 [inline] rq_lock kernel/sched/sched.h:1852 [inline] __schedule+0x357/0x4c90 kernel/sched/core.c:6688 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6944 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6968 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 class_preempt_destructor include/linux/preempt.h:480 [inline] try_to_wake_up+0x9c3/0x1470 kernel/sched/core.c:4337 wake_up_process kernel/sched/core.c:4463 [inline] wake_up_q+0xc8/0x120 kernel/sched/core.c:1075 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: 0033:0x7fc897d8d169 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:00007fc898c220e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fc897fa6168 RCX: 00007fc897d8d169 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc897fa616c RBP: 00007fc897fa6160 R08: 7fffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc897fa616c R13: 0000000000000000 R14: 00007ffe1da01c30 R15: 00007ffe1da01d18