From: Jan Kara Date: Wed, 19 Dec 2007 14:24:09 +0000 (+0100) Subject: ocfs2: Safer read_inline_data() X-Git-Tag: v2.6.25-rc1~1232^2~11 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=d2849fb294d92d6eee0a811c688f1ecb39d26800;p=linux-2.6-omap-h63xx.git ocfs2: Safer read_inline_data() In ocfs2_read_inline_data() we should store file size in loff_t. Although the file size should fit in 32 bits we cannot be sure in case filesystem is corrupted. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh --- diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 286af3a1138..bc7b4cbbe8e 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -217,7 +217,7 @@ int ocfs2_read_inline_data(struct inode *inode, struct page *page, struct buffer_head *di_bh) { void *kaddr; - unsigned int size; + loff_t size; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; if (!(le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_DATA_FL)) { @@ -231,8 +231,9 @@ int ocfs2_read_inline_data(struct inode *inode, struct page *page, if (size > PAGE_CACHE_SIZE || size > ocfs2_max_inline_data(inode->i_sb)) { ocfs2_error(inode->i_sb, - "Inode %llu has with inline data has bad size: %u", - (unsigned long long)OCFS2_I(inode)->ip_blkno, size); + "Inode %llu has with inline data has bad size: %Lu", + (unsigned long long)OCFS2_I(inode)->ip_blkno, + (unsigned long long)size); return -EROFS; }