linux-kernel - [PATCH 02/13] Don't touch fs

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]

Date:	Mon, 22 Oct 2007 12:25:46 +0530
From:	Bharata B Rao <bharata@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Jan Blunck <jblunck@...e.de>, Andreas Gruenbacher <agruen@...e.de>,
	Christoph Hellwig <hch@....de>, viro@...iv.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: [PATCH 02/13] Don't touch fs_struct in usermodehelper

From: Jan Blunck <jblunck@...e.de>

This test seems to be unnecessary since we always have rootfs mounted before
calling a usermodehelper.

Signed-off-by: Andreas Gruenbacher <agruen@...e.de>
Signed-off-by: Jan Blunck <jblunck@...e.de>
Signed-off-by: Bharata B Rao <bharata@...ux.vnet.ibm.com>
Acked-by: Christoph Hellwig <hch@....de>
---
 kernel/kmod.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -173,10 +173,7 @@ static int ____call_usermodehelper(void 
 	 */
 	set_user_nice(current, 0);
 
-	retval = -EPERM;
-	if (current->fs->root)
-		retval = kernel_execve(sub_info->path,
-				sub_info->argv, sub_info->envp);
+	retval = kernel_execve(sub_info->path, sub_info->argv, sub_info->envp);
 
 	/* Exec failed? */
 	sub_info->retval = retval;
-
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/