From 8800a044c71a128633cf3febaf4780531a991334 Mon Sep 17 00:00:00 2001 From: Bob Copeland Date: Tue, 6 Jul 2010 11:16:46 -0400 Subject: omfs: sanity check cluster size A corrupt filesystem could have a bad cluster size; this could result in the filesystem allocating too much space for files if too large, or getting stuck in omfs_allocate_block if too small. The proper range is 1-8 blocks. Reported-by: Eric Sesterhenn Signed-off-by: Bob Copeland --- fs/omfs/omfs_fs.h | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/omfs/omfs_fs.h') diff --git a/fs/omfs/omfs_fs.h b/fs/omfs/omfs_fs.h index 12cca245d6e8..ee5e4327de92 100644 --- a/fs/omfs/omfs_fs.h +++ b/fs/omfs/omfs_fs.h @@ -17,6 +17,7 @@ #define OMFS_EXTENT_CONT 0x40 #define OMFS_XOR_COUNT 19 #define OMFS_MAX_BLOCK_SIZE 8192 +#define OMFS_MAX_CLUSTER_SIZE 8 struct omfs_super_block { char s_fill1[256]; -- cgit v1.2.3