------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 6014 at kernel/locking/lockdep.c:238 hlock_class kernel/locking/lockdep.c:238 [inline]
WARNING: CPU: 0 PID: 6014 at kernel/locking/lockdep.c:238 check_wait_context kernel/locking/lockdep.c:4854 [inline]
WARNING: CPU: 0 PID: 6014 at kernel/locking/lockdep.c:238 __lock_acquire+0x379/0xd20 kernel/locking/lockdep.c:5187
Modules linked in:
CPU: 0 UID: 0 PID: 6014 Comm: syz.0.20 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:hlock_class kernel/locking/lockdep.c:238 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4854 [inline]
RIP: 0010:__lock_acquire+0x379/0xd20 kernel/locking/lockdep.c:5187
Code: eb 33 90 e8 c9 29 18 03 85 c0 74 22 83 3d 12 64 81 0d 00 75 19 90 48 c7 c7 ba 7b 21 8d 48 c7 c6 d1 69 11 8d e8 98 37 e7 ff 90 <0f> 0b 90 90 90 31 c0 48 8b 3c 24 0f b6 98 c4 00 00 00 41 8b 46 20
RSP: 0018:ffffc90003a67770 EFLAGS: 00010046
RAX: e21a353069bb2e00 RBX: ffff8880b883b530 RCX: ffff8880343a5940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000dfa R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017104863 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880343a6500 R15: ffff8880343a6460
FS: 00007f39a6a5d6c0(0000) GS:ffff8881268c2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f39a6a5cf98 CR3: 000000004302e000 CR4: 00000000003526f0
Call Trace:
<TASK>
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:557 [inline]
try_to_wake_up+0x67/0x12b0 kernel/sched/core.c:4216
requeue_pi_wake_futex+0x24b/0x2f0 kernel/futex/requeue.c:249
futex_proxy_trylock_atomic kernel/futex/requeue.c:340 [inline]
futex_requeue+0x135f/0x1870 kernel/futex/requeue.c:498
do_futex+0x362/0x420 kernel/futex/syscalls.c:-1
__do_sys_futex kernel/futex/syscalls.c:179 [inline]
__se_sys_futex+0x36f/0x400 kernel/futex/syscalls.c:160
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f39a740ebe9
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:00007f39a6a5d038 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f39a7646090 RCX: 00007f39a740ebe9
RDX: 0000000000000001 RSI: 000000000000000c RDI: 000020000000cffc
RBP: 00007f39a7491e19 R08: 0000200000048000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f39a7646128 R14: 00007f39a7646090 R15: 00007ffd222b4528
</TASK>