diff options
Diffstat (limited to 'fs/hfsplus/dir.c')
| -rw-r--r-- | fs/hfsplus/dir.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index 4df5059c25d..159f5ebf519 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -146,6 +146,11 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) filp->f_pos++; /* fall through */ case 1: + if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) { + err = -EIO; + goto out; + } + hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, fd.entrylength); if (be16_to_cpu(entry.type) != HFSPLUS_FOLDER_THREAD) { @@ -177,6 +182,12 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) err = -EIO; goto out; } + + if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) { + err = -EIO; + goto out; + } + hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, fd.entrylength); type = be16_to_cpu(entry.type); |