ODEBUG: object 0000000092e5e49c is on stack 000000002ffc5bd1, but NOT annotated. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6496 at lib/debugobjects.c:655 debug_object_is_on_stack lib/debugobjects.c:-1 [inline] WARNING: CPU: 1 PID: 6496 at lib/debugobjects.c:655 lookup_object_or_alloc lib/debugobjects.c:688 [inline] WARNING: CPU: 1 PID: 6496 at lib/debugobjects.c:655 __debug_object_init+0x364/0x40c lib/debugobjects.c:743 Modules linked in: CPU: 1 UID: 0 PID: 6496 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller-g19272b37aa4f #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 : ffff8000a5757700 x29: ffff8000a5757700 x28: 0000000000000000 x27: dfff800000000000 x26: ffff800097589000 x25: ffff0000ddbd1ea0 x24: 0000000000000000 x23: ffff0000defdb3b8 x22: 0000000000000000 x21: ffff80009751ccf8 x20: ffff80008af00de0 x19: ffff8000a5757bb0 x18: 00000000ffffffff x17: ffff800093215000 x16: ffff80008ae5617c x15: 0000000000000001 x14: 1ffff00014aeae58 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700014aeae59 x10: 0000000000ff0100 x9 : be533da410896400 x8 : be533da410896400 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a5757098 x4 : ffff80008f657060 x3 : ffff8000807bb744 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: 18 hardirqs last enabled at (17): [] get_random_u32+0x2d4/0x540 drivers/char/random.c:554 hardirqs last disabled at (18): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (18): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162 softirqs last enabled at (0): [] copy_process+0x1134/0x31ec kernel/fork.c:2114 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]---