ODEBUG: object 000000005153f537 is on stack 0000000041f72377, but NOT annotated. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7348 at lib/debugobjects.c:655 debug_object_is_on_stack lib/debugobjects.c:-1 [inline] WARNING: CPU: 1 PID: 7348 at lib/debugobjects.c:655 lookup_object_or_alloc lib/debugobjects.c:688 [inline] WARNING: CPU: 1 PID: 7348 at lib/debugobjects.c:655 __debug_object_init+0x364/0x40c lib/debugobjects.c:743 Modules linked in: CPU: 1 UID: 0 PID: 7348 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 : ffff80009f657700 x29: ffff80009f657700 x28: 0000000000000000 x27: dfff800000000000 x26: ffff800097693000 x25: ffff0000c6093d20 x24: 0000000000000000 x23: ffff0000f6673620 x22: 0000000000000000 x21: ffff80009762ca90 x20: ffff80008af70de0 x19: ffff80009f657bb0 x18: 00000000ffffffff x17: ffff80009331f000 x16: ffff80008ae31308 x15: ffff700011ed61d4 x14: 1ffff00011ed61d4 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff700011ed61d4 x10: 0000000000ff0100 x9 : 6510623569d8a000 x8 : 6510623569d8a000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009f657098 x4 : ffff80008f727060 x3 : ffff80008054db48 x2 : 0000000000000000 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: 44 hardirqs last enabled at (43): [] get_random_u32+0x2d4/0x540 drivers/char/random.c:554 hardirqs last disabled at (44): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (44): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162 softirqs last enabled at (38): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (38): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (29): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- bcachefs (loop4): Detected missing backpointers in bucket 34, now have 1/128 with missing running recovery pass check_extents_to_backpointers (17), currently at check_subvol_children (25)