ODEBUG: object ffffc900035fbb60 is on stack ffffc900035f8000, but NOT annotated. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3229 at lib/debugobjects.c:557 debug_object_is_on_stack lib/debugobjects.c:557 [inline] WARNING: CPU: 1 PID: 3229 at lib/debugobjects.c:557 lookup_object_or_alloc lib/debugobjects.c:590 [inline] WARNING: CPU: 1 PID: 3229 at lib/debugobjects.c:557 __debug_object_init+0x1d7/0x2d0 lib/debugobjects.c:634 Modules linked in: CPU: 1 PID: 3229 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: 7f 82 03 eb 75 ff c0 89 05 4a 7f 82 03 48 c7 c0 61 12 40 83 48 c7 c7 99 12 40 83 84 c9 48 0f 45 f8 4c 89 fe e8 8a ae e7 00 90 <0f> 0b 90 e9 fb fe ff ff 31 c0 ff c1 89 0d 1f 7f 82 03 90 8b 53 10 RSP: 0018:ffffc900035fba90 EFLAGS: 00010046 RAX: 0000000000000050 RBX: ffff8881013cc2d0 RCX: 88c991cf80827c00 RDX: ffff888237d28dc0 RSI: ffffffff834c6d36 RDI: 00000000ffffffff RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff838cce60 R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffffffff852a25d8 R13: 0000000000000282 R14: 0000000000008f50 R15: ffffc900035fbb60 FS: 0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556a9b8fe2c8 CR3: 000000010c3c4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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