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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-05-13 13:32:54 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-05-13 13:32:54 +0100
commitdc2af52c0d6d00fd530e4a5e300834cdb1bb1c1c (patch)
tree4573b99fb11e5b93bd011045039b370ddafe45e6 /fs/hfsplus/dir.c
parentf1992dde7fef6713a469a5a142b86812b8a47f9e (diff)
parent36be50515fe2aef61533b516fa2576a2c7fe7664 (diff)
Merge tag 'v3.4-rc7' into for-3.5
Linux 3.4-rc7 Conflicts): drivers/base/regmap/regmap.c (overlap with bug fixes) sound/soc/blackfin/bf5xx-ssm2602.c (overlap with bug fixes)
Diffstat (limited to 'fs/hfsplus/dir.c')
-rw-r--r--fs/hfsplus/dir.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index 88e155f895c6..26b53fb09f68 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);