ODEBUG: object ffffc90002aa3b60 is on stack ffffc90002aa0000, but NOT annotated.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3245 at lib/debugobjects.c:557 debug_object_is_on_stack lib/debugobjects.c:557 [inline]
WARNING: CPU: 0 PID: 3245 at lib/debugobjects.c:557 lookup_object_or_alloc lib/debugobjects.c:590 [inline]
WARNING: CPU: 0 PID: 3245 at lib/debugobjects.c:557 __debug_object_init+0x1d7/0x2d0 lib/debugobjects.c:634
Modules linked in:
CPU: 0 PID: 3245 Comm: bch-copygc/loop Not tainted 6.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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: 74 82 03 eb 75 ff c0 89 05 5a 74 82 03 48 c7 c0 a9 16 40 83 48 c7 c7 e1 16 40 83 84 c9 48 0f 45 f8 4c 89 fe e8 9a b3 e7 00 90 <0f> 0b 90 e9 fb fe ff ff 31 c0 ff c1 89 0d 2f 74 82 03 90 8b 53 10
RSP: 0018:ffffc90002aa3a90 EFLAGS: 00010046
RAX: 0000000000000050 RBX: ffff88810137a7a8 RCX: 36da21e76205d300
RDX: 0000000000000000 RSI: ffffffff834c717e RDI: 00000000ffffffff
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff838cce60
R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffffffff85260530
R13: 0000000000000282 R14: 00000000000019e8 R15: ffffc90002aa3b60
FS:  0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2a8f800000 CR3: 0000000108738000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rhashtable_init+0x27f/0x2e0 lib/rhashtable.c:1075
 bch2_copygc_thread+0x114/0x460 fs/bcachefs/movinggc.c:313
 kthread+0xf4/0x110 kernel/kthread.c:388
 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:304
 </TASK>