------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 6006 at kernel/locking/lockdep.c:234 hlock_class kernel/locking/lockdep.c:234 [inline]
WARNING: CPU: 0 PID: 6006 at kernel/locking/lockdep.c:234 check_wait_context kernel/locking/lockdep.c:4852 [inline]
WARNING: CPU: 0 PID: 6006 at kernel/locking/lockdep.c:234 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178
Modules linked in:
CPU: 0 UID: 0 PID: 6006 Comm: syz.5.21 Not tainted 6.13.0-syzkaller-02526-gc4b9570cfb63 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
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 61 e0 9f 0e 00 75 23 90 48 c7 c7 c0 92 0a 8c 48 c7 c6 c0 95 0a 8c e8 d7 40 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:ffffc9000427f2d0 EFLAGS: 00010046
RAX: e6247d300d149b00 RBX: 0000000000000c20 RCX: 0000000000080000
RDX: dffffc0000000000 RSI: 000000000000c22a RDI: 000000000000c22b
RBP: 00000000000c0c20 R08: ffffffff81603132 R09: fffffbfff1cfa638
R10: dffffc0000000000 R11: fffffbfff1cfa638 R12: ffff8880262a46c4
R13: 000000000000000f R14: 1ffff11004c548ef R15: ffff8880262a4778
FS: 00007fc64e2a56c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3010dff8 CR3: 0000000028b36000 CR4: 0000000000350ef0
Call Trace:
<TASK>
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
_raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
sched_core_lock+0x162/0x240 kernel/sched/core.c:374
__sched_core_flip+0x176/0x440 kernel/sched/core.c:401
__sched_core_enable kernel/sched/core.c:438 [inline]
sched_core_get+0xbd/0x180 kernel/sched/core.c:456
sched_core_alloc_cookie+0x71/0xa0 kernel/sched/core_sched.c:18
sched_core_share_pid+0x298/0x7d0 kernel/sched/core_sched.c:185
__do_sys_prctl kernel/sys.c:2741 [inline]
__se_sys_prctl+0x956/0x3c80 kernel/sys.c:2467
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: 0033:0x7fc64d385d29
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:00007fc64e2a5038 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
RAX: ffffffffffffffda RBX: 00007fc64d575fa0 RCX: 00007fc64d385d29
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000003e
RBP: 00007fc64d401b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc64d575fa0 R15: 00007ffee78d06a8
</TASK>