syzbot

ODEBUG: object 000000003b5dd6e1 is on stack 000000009e023273, but NOT annotated.
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WARNING: CPU: 1 PID: 6527 at lib/debugobjects.c:655 debug_object_is_on_stack lib/debugobjects.c:-1 [inline]
WARNING: CPU: 1 PID: 6527 at lib/debugobjects.c:655 lookup_object_or_alloc lib/debugobjects.c:688 [inline]
WARNING: CPU: 1 PID: 6527 at lib/debugobjects.c:655 __debug_object_init+0x364/0x40c lib/debugobjects.c:743
Modules linked in:
CPU: 1 UID: 0 PID: 6527 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller-g39dfc971e42d #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : debug_object_is_on_stack lib/debugobjects.c:-1 [inline]
pc : lookup_object_or_alloc lib/debugobjects.c:688 [inline]
pc : __debug_object_init+0x364/0x40c lib/debugobjects.c:743
lr : debug_object_is_on_stack lib/debugobjects.c:-1 [inline]
lr : lookup_object_or_alloc lib/debugobjects.c:688 [inline]
lr : __debug_object_init+0x364/0x40c lib/debugobjects.c:743
sp : ffff8000a20d7700
x29: ffff8000a20d7700 x28: 0000000000000000 x27: dfff800000000000
x26: ffff800097693000 x25: ffff0000d4248020 x24: 0000000000000000
x23: ffff0000ce6637a8 x22: 0000000000000000 x21: ffff8000975f03e8
x20: ffff80008af70de0 x19: ffff8000a20d7bb0 x18: 00000000ffffffff
x17: ffff80009331f000 x16: ffff80008aec8e2c x15: 0000000000000001
x14: 1ffff0001441ae58 x13: 0000000000000000 x12: 0000000000000000
x11: ffff70001441ae59 x10: 0000000000ff0100 x9 : 16a224fdfa925500
x8 : 16a224fdfa925500 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000a20d7098 x4 : ffff80008f727060 x3 : ffff8000807c0744
x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000050
Call trace:
 debug_object_is_on_stack lib/debugobjects.c:-1 [inline] (P)
 lookup_object_or_alloc lib/debugobjects.c:688 [inline] (P)
 __debug_object_init+0x364/0x40c lib/debugobjects.c:743 (P)
 debug_object_init+0x20/0x2c lib/debugobjects.c:779
 __init_work+0x58/0x68 kernel/workqueue.c:677
 rhashtable_init_noprof+0x734/0xa10 lib/rhashtable.c:1085
 bch2_copygc_thread+0xec/0xd40 fs/bcachefs/movinggc.c:353
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
irq event stamp: 20
hardirqs last  enabled at (19): [<ffff800083e7f73c>] get_random_u32+0x2d4/0x540 drivers/char/random.c:554
hardirqs last disabled at (20): [<ffff80008aeea2b4>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (20): [<ffff80008aeea2b4>] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162
softirqs last  enabled at (0): [<ffff8000803afb44>] copy_process+0x1134/0x31ec kernel/fork.c:2114
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---