diff options
Diffstat (limited to 'fs/ubifs/tnc_misc.c')
| -rw-r--r-- | fs/ubifs/tnc_misc.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/ubifs/tnc_misc.c b/fs/ubifs/tnc_misc.c index 6ce75999f273..d1815e959007 100644 --- a/fs/ubifs/tnc_misc.c +++ b/fs/ubifs/tnc_misc.c @@ -293,6 +293,12 @@ static int read_znode(struct ubifs_info *c, struct ubifs_zbranch *zzbr, return err; } + err = ubifs_node_check_hash(c, idx, zzbr->hash); + if (err) { + ubifs_bad_hash(c, idx, zzbr->hash, lnum, offs); + return err; + } + znode->child_cnt = le16_to_cpu(idx->child_cnt); znode->level = le16_to_cpu(idx->level); @@ -309,13 +315,14 @@ static int read_znode(struct ubifs_info *c, struct ubifs_zbranch *zzbr, } for (i = 0; i < znode->child_cnt; i++) { - const struct ubifs_branch *br = ubifs_idx_branch(c, idx, i); + struct ubifs_branch *br = ubifs_idx_branch(c, idx, i); struct ubifs_zbranch *zbr = &znode->zbranch[i]; key_read(c, &br->key, &zbr->key); zbr->lnum = le32_to_cpu(br->lnum); zbr->offs = le32_to_cpu(br->offs); zbr->len = le32_to_cpu(br->len); + ubifs_copy_hash(c, ubifs_branch_hash(c, br), zbr->hash); zbr->znode = NULL; /* Validate branch */ @@ -497,5 +504,11 @@ int ubifs_tnc_read_node(struct ubifs_info *c, struct ubifs_zbranch *zbr, return -EINVAL; } + err = ubifs_node_check_hash(c, node, zbr->hash); + if (err) { + ubifs_bad_hash(c, node, zbr->hash, zbr->lnum, zbr->offs); + return err; + } + return 0; } |