diff options
| author | David S. Miller <davem@davemloft.net> | 2012-05-16 22:17:37 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-16 22:17:37 -0400 |
| commit | 028940342a906db8da014a7603a0deddc2c323dd (patch) | |
| tree | 688dbc38a3e218f2493d311b1d70a67668837347 /fs/hfsplus/dir.c | |
| parent | be3eed2e96340d3c7a4d1ea1d63e7bd6095d1e34 (diff) | |
| parent | 0e93b4b304ae052ba1bc73f6d34a68556fe93429 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
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 88e155f895c..26b53fb09f6 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -150,6 +150,11 @@ 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) { @@ -181,6 +186,12 @@ 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); |