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bcachefs: Fix keylist size in btree_update

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This fixes a buffer overrun, fortunately caught by a BUG_ON().

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2021-12-29 11:27:47 -05:00 committed by Kent Overstreet
parent e853692588
commit 74ef5b0d3f
1 changed files with 2 additions and 2 deletions
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4
fs/bcachefs/btree_update_interior.h
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@ -82,12 +82,12 @@ struct btree_update {
/* Nodes being freed: */
struct keylist old_keys;
u64 _old_keys[BTREE_UPDATE_NODES_MAX *
BKEY_BTREE_PTR_VAL_U64s_MAX];
BKEY_BTREE_PTR_U64s_MAX];
/* Nodes being added: */
struct keylist new_keys;
u64 _new_keys[BTREE_UPDATE_NODES_MAX *
BKEY_BTREE_PTR_VAL_U64s_MAX];
BKEY_BTREE_PTR_U64s_MAX];
/* New nodes, that will be made reachable by this update: */
struct btree *new_nodes[BTREE_UPDATE_NODES_MAX];