diff options
Diffstat (limited to 'fs/squashfs/sqfs_inode.c')
| -rw-r--r-- | fs/squashfs/sqfs_inode.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/squashfs/sqfs_inode.c b/fs/squashfs/sqfs_inode.c index d25cfb53e75..bb3ccd37e33 100644 --- a/fs/squashfs/sqfs_inode.c +++ b/fs/squashfs/sqfs_inode.c @@ -78,11 +78,16 @@ int sqfs_inode_size(struct squashfs_base_inode *inode, u32 blk_size) case SQFS_SYMLINK_TYPE: case SQFS_LSYMLINK_TYPE: { + int size; + struct squashfs_symlink_inode *symlink = (struct squashfs_symlink_inode *)inode; - return sizeof(*symlink) + - get_unaligned_le32(&symlink->symlink_size); + if (__builtin_add_overflow(sizeof(*symlink), + get_unaligned_le32(&symlink->symlink_size), &size)) + return -EINVAL; + + return size; } case SQFS_BLKDEV_TYPE: |