From: Angus Sawyer <angus.sawyer@dsl.pipex.com>
To: linux-kernel@vger.kernel.org
Subject: [PATCH] EXT3 fs divide by 0 in ext3_fill_super (2.5.44)
Date: Mon, 28 Oct 2002 13:17:16 +0000 [thread overview]
Message-ID: <200210281317.16268.angus.sawyer@dsl.pipex.com> (raw)
problem:
attempting to mount an ext3 fs on a stopped md/raid1 array caused a divide by
0 error in ext3_fill_super.
Fix duplicates check already in ext2.
patch:
--- linux-2.5.44/fs/ext3/super.c Wed Oct 23 16:19:08 2002
+++ linux/fs/ext3/super.c Mon Oct 28 11:29:33 2002
@@ -986,6 +986,10 @@
goto out_fail;
blocksize = sb_min_blocksize(sb, EXT3_MIN_BLOCK_SIZE);
+ if (!blocksize) {
+ printk(KERN_ERR "EXT3-fs: unable to set blocksize\n");
+ goto out_fail;
+ }
/*
* The ext3 superblock will not be buffer aligned for other than 1kB
reply other threads:[~2002-10-28 13:10 UTC|newest]
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