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linux/fs/bcachefs/backpointers.c
Kent Overstreet 03cc1e67a2 bcachefs: Fix null ptr deref in bch2_backpointer_get_node() 
bch2_btree_iter_peek_node() can return a NULL ptr (when the tree is
shorter than the search depth); handle this with an early return.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Fixes: https://lore.kernel.org/linux-bcachefs/5fc3c28b-c232-4ec7-b0ac-4ef220ddf976@moroto.mountain/T/
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-11-13 21:42:22 -05:00

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