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| author | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 18:07:35 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-03 17:52:25 -0800 |
| commit | a5b21d8d791cd4db609d0bbcaa9e0c7e019888d1 (patch) | |
| tree | a3f4ef2bd300eb947cd195b52e0efd7e162114dc /fs/squashfs | |
| parent | 388bc034d91d480efa88abc5c8d6e6c8a878b1ab (diff) | |
| download | lwn-a5b21d8d791cd4db609d0bbcaa9e0c7e019888d1.tar.gz lwn-a5b21d8d791cd4db609d0bbcaa9e0c7e019888d1.zip | |
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
This fix was nacked by Philip, for reasons identified in the email linked
below.
Link: https://lkml.kernel.org/r/68f15d67-8945-2728-1f17-5b53a80ec52d@squashfs.org.uk
Fixes: 72e544b1b28325 ("squashfs: harden sanity check in squashfs_read_xattr_id_table")
Cc: Alexey Khoroshilov <khoroshilov@ispras.ru>
Cc: Fedor Pchelkin <pchelkin@ispras.ru>
Cc: Phillip Lougher <phillip@squashfs.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/squashfs')
| -rw-r--r-- | fs/squashfs/xattr_id.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/squashfs/xattr_id.c b/fs/squashfs/xattr_id.c index b88d19e9581e..c8469c656e0d 100644 --- a/fs/squashfs/xattr_id.c +++ b/fs/squashfs/xattr_id.c @@ -76,7 +76,7 @@ __le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 table_start, /* Sanity check values */ /* there is always at least one xattr id */ - if (*xattr_ids <= 0) + if (*xattr_ids == 0) return ERR_PTR(-EINVAL); len = SQUASHFS_XATTR_BLOCK_BYTES(*xattr_ids); |