From: Dave Jones <davej@redhat.com>
To: aia21@cantab.net
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: NTFS null dereference x2
Date: Fri, 16 Apr 2004 22:47:43 +0100 [thread overview]
Message-ID: <20040416214743.GU20937@redhat.com> (raw)
if vol is NULL, everything falls apart..
Dave
--- linux-2.6.5/fs/ntfs/attrib.c~ 2004-04-16 22:45:53.000000000 +0100
+++ linux-2.6.5/fs/ntfs/attrib.c 2004-04-16 22:46:47.000000000 +0100
@@ -1235,16 +1235,19 @@
u8 *al_end = al + initialized_size;
run_list_element *rl;
struct buffer_head *bh;
- struct super_block *sb = vol->sb;
+ struct super_block *sb;
unsigned long block_size = sb->s_blocksize;
unsigned long block, max_block;
int err = 0;
- unsigned char block_size_bits = sb->s_blocksize_bits;
+ unsigned char block_size_bits;
ntfs_debug("Entering.");
if (!vol || !run_list || !al || size <= 0 || initialized_size < 0 ||
initialized_size > size)
return -EINVAL;
+ sb = vol->sb;
+ block_size_bits = sb->s_blocksize_bits;
+
if (!initialized_size) {
memset(al, 0, size);
return 0;
next reply other threads:[~2004-04-16 21:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-16 21:47 Dave Jones [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-04-17 13:47 NTFS null dereference x2 Szakacsits Szabolcs
2004-04-23 11:04 ` Anton Altaparmakov
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