diff options
| author | jon ernst | 2014-04-18 11:50:35 -0400 |
|---|---|---|
| committer | Theodore Ts'o | 2014-04-18 11:50:35 -0400 |
| commit | 6c5e73d3a26b73bfcac0b4a932cb918177d067f2 (patch) | |
| tree | d6d2b924970c973bf1dc948f54f556cfd1156829 | |
| parent | 6dd834effc12ba71092d9d1e4944530234b58ab1 (diff) | |
ext4: enforce we are operating on a regular file in ext4_zero_range()
Signed-off-by: Jon Ernst <jonernst07@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| -rw-r--r-- | fs/ext4/extents.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index d0860f2d36d0..2f49b12a4c40 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4741,6 +4741,9 @@ static long ext4_zero_range(struct file *file, loff_t offset, trace_ext4_zero_range(inode, offset, len, mode); + if (!S_ISREG(inode->i_mode)) + return -EINVAL; + /* * Write out all dirty pages to avoid race conditions * Then release them. |