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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2018-08-03 17:55:12 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-08-03 17:55:12 +0800 |
| commit | c5f5aeef9b55b362ad5a0e04e4b41cd63b208842 (patch) | |
| tree | 0ee2bb561e879db0a990d998359f6516dff3393b /fs/ext4/extents.c | |
| parent | a4789089937941959be6c18fa53e1fc0189257fd (diff) | |
| parent | c7513c2a2714204d3588ecaa170ae628fd0d217e (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge mainline to pick up c7513c2a2714 ("crypto/arm64: aes-ce-gcm -
add missing kernel_neon_begin/end pair").
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); |