linux-kernel - [PATCH 6/9] Unionfs: debugging updates

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <11949486303151-git-send-email-ezk@cs.sunysb.edu>
Date:	Tue, 13 Nov 2007 05:10:25 -0500
From:	Erez Zadok <ezk@...sunysb.edu>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	viro@....linux.org.uk, hch@...radead.org,
	Erez Zadok <ezk@...sunysb.edu>
Subject: [PATCH 6/9] Unionfs: debugging updates

Don't perform dentry+inode checks unless both are valid.

Signed-off-by: Erez Zadok <ezk@...sunysb.edu>
---
 fs/unionfs/debug.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/unionfs/debug.c b/fs/unionfs/debug.c
index 0066ccd..8464fbb 100644
--- a/fs/unionfs/debug.c
+++ b/fs/unionfs/debug.c
@@ -299,7 +299,7 @@ check_inode:
 	 * be NULL.  But, check that all three are NULL: lower dentry, mnt,
 	 * and inode.
 	 */
-	if (S_ISDIR(inode->i_mode))
+	if (dstart >= 0 && dend >= 0 && S_ISDIR(inode->i_mode))
 		for (bindex = dstart+1; bindex < dend; bindex++) {
 			lower_inode = unionfs_lower_inode_idx(inode, bindex);
 			lower_dentry = unionfs_lower_dentry_idx(dentry,
-- 
1.5.2.2

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/