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authorJan Kara <jack@suse.cz>2006-08-15 13:56:26 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2006-08-22 12:04:55 -0700
commit7127be29378b1230eb8dd8b84f18d6b69c56e959 (patch)
tree342758b9e597d50e73dc30c1347f253f028b49d0 /fs/udf/super.c
parent96ec9da385cf72c5f775e5f163420ea92e66ded2 (diff)
Fix possible UDF deadlock and memory corruption (CVE-2006-4145)
UDF code is not really ready to handle extents larger that 1GB. This is the easy way to forbid creating those. Also truncation code did not count with the case when there are no extents in the file and we are extending the file. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/udf/super.c')
-rw-r--r--fs/udf/super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index e45789fe38e..73fc0d8ae8b 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1653,7 +1653,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
iput(inode);
goto error_out;
}
- sb->s_maxbytes = MAX_LFS_FILESIZE;
+ sb->s_maxbytes = 1<<30;
return 0;
error_out: