ODEBUG: object ffffc90003bb7b50 is on stack ffffc90003bb4000, but NOT annotated.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5147 at lib/debugobjects.c:557 debug_object_is_on_stack lib/debugobjects.c:557 [inline]
WARNING: CPU: 1 PID: 5147 at lib/debugobjects.c:557 lookup_object_or_alloc lib/debugobjects.c:590 [inline]
WARNING: CPU: 1 PID: 5147 at lib/debugobjects.c:557 __debug_object_init+0x1d7/0x2d0 lib/debugobjects.c:634
Modules linked in:
CPU: 1 PID: 5147 Comm: bch-copygc/loop Not tainted 6.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:debug_object_is_on_stack lib/debugobjects.c:557 [inline]
RIP: 0010:lookup_object_or_alloc lib/debugobjects.c:590 [inline]
RIP: 0010:__debug_object_init+0x1d7/0x2d0 lib/debugobjects.c:634
Code: f1 ff 06 eb 75 ff c0 89 05 2a f1 ff 06 48 c7 c0 ef d4 07 86 48 c7 c7 27 d5 07 86 84 c9 48 0f 45 f8 4c 89 fe e8 7a f0 6a 02 90 <0f> 0b 90 e9 fb fe ff ff 31 c0 ff c1 89 0d ff f0 ff 06 90 8b 53 10
RSP: 0018:ffffc90003bb7a70 EFLAGS: 00010046
RAX: 0000000000000050 RBX: ffff88810b9fe6e0 RCX: 30075fe686b18600
RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff813bc3f2 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8969a708
R13: 0000000000000286 R14: 0000000000000310 R15: ffffc90003bb7b50
FS:  0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6506a388e5 CR3: 00000001168c2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rhashtable_init+0x343/0x3a0 lib/rhashtable.c:1075
 bch2_copygc_thread+0x119/0x640 fs/bcachefs/movinggc.c:313
 kthread+0x144/0x180 kernel/kthread.c:388
 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:304
 </TASK>