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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-30 10:08:09 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-30 10:08:09 +0200 |
| commit | d2fc88a61b4ea99f574bde16e92718e22f312136 (patch) | |
| tree | f256841ebcbc3b90fc29d7fa751610ba9aac5a2b /fs/ext4/extents.c | |
| parent | base: core: Remove WARN_ON from link dependencies check (diff) | |
| parent | Linux 4.18-rc7 (diff) | |
| download | linux-d2fc88a61b4ea99f574bde16e92718e22f312136.tar.xz linux-d2fc88a61b4ea99f574bde16e92718e22f312136.zip | |
Merge 4.18-rc7 into driver-core-next
We need the driver core changes in here as well for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 0057fe3f248d..8ce6fd5b10dd 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -869,6 +869,12 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block, eh = ext_inode_hdr(inode); depth = ext_depth(inode); + if (depth < 0 || depth > EXT4_MAX_EXTENT_DEPTH) { + EXT4_ERROR_INODE(inode, "inode has invalid extent depth: %d", + depth); + ret = -EFSCORRUPTED; + goto err; + } if (path) { ext4_ext_drop_refs(path); |