diff options
Diffstat (limited to 'fs/hfsplus/bnode.c')
| -rw-r--r-- | fs/hfsplus/bnode.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c index 87974d5e6791..079ea80534f7 100644 --- a/fs/hfsplus/bnode.c +++ b/fs/hfsplus/bnode.c @@ -67,6 +67,12 @@ void hfs_bnode_read_key(struct hfs_bnode *node, void *key, int off) else key_len = tree->max_key_len + 2; + if (key_len > sizeof(hfsplus_btree_key) || key_len < 1) { + memset(key, 0, sizeof(hfsplus_btree_key)); + pr_err("hfsplus: Invalid key length: %d\n", key_len); + return; + } + hfs_bnode_read(node, key, off, key_len); } |