------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 6332 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 1 PID: 6332 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4850 [inline] WARNING: CPU: 1 PID: 6332 at kernel/locking/lockdep.c:232 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5176 Modules linked in: CPU: 1 UID: 0 PID: 6332 Comm: syz.0.124 Not tainted 6.13.0-syzkaller-00603-g3d3a9c8b89d4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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 61 d2 9f 0e 00 75 23 90 48 c7 c7 e0 97 0a 8c 48 c7 c6 e0 9a 0a 8c e8 a7 65 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:ffffc9000c18f7b0 EFLAGS: 00010046 RAX: 819137b1bdce3e00 RBX: 0000000000001cd8 RCX: ffff88802780bc00 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000c1cd8 R08: ffffffff81602982 R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88802780c6c4 R13: 0000000000000005 R14: 1ffff11004f018e5 R15: ffff88802780c728 FS: 00005555833b1500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fad4a0dff98 CR3: 0000000012082000 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+0xb0/0x140 kernel/sched/core.c:606 raw_spin_rq_lock kernel/sched/sched.h:1523 [inline] rq_lock kernel/sched/sched.h:1822 [inline] ttwu_queue kernel/sched/core.c:3991 [inline] try_to_wake_up+0x7e2/0x1470 kernel/sched/core.c:4321 wake_up_process kernel/sched/core.c:4454 [inline] wake_up_q+0xc8/0x120 kernel/sched/core.c:1066 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: 0033:0x7fa01a385d29 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:00007ffeaa5b1708 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fa01a575fa8 RCX: 00007fa01a385d29 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fa01a575fa8 RBP: 00007fa01a575fac R08: 000000000000001d R09: 00007ffeaa5b19ff R10: 00007fa01a575fa0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa01a575fa0 R14: 0000000000000003 R15: 0000000000001113