Commit 74ef5b0d authored by Kent Overstreet's avatar Kent Overstreet Committed by Kent Overstreet
Browse files

bcachefs: Fix keylist size in btree_update 



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

Signed-off-by: default avatarKent Overstreet <kent.overstreet@gmail.com>
parent e8536925

fs/bcachefs/btree_update_interior.h

+2 −2
Original line number Diff line number Diff line
@@ -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];