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[3.13.y.z,extended,stable] Patch "dns_resolver: Null-terminate the right string" has been added to staging queue

Message ID 1407525960-2089-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa Aug. 8, 2014, 7:26 p.m. UTC
This is a note to let you know that I have just added a patch titled

    dns_resolver: Null-terminate the right string

to the linux-3.13.y-queue branch of the 3.13.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue

This patch is scheduled to be released in version 3.13.11.6.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

From 92eaebf5b6393ef1ef059441ccbc2b13cb6bb573 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Mon, 21 Jul 2014 00:06:48 +0100
Subject: dns_resolver: Null-terminate the right string

[ Upstream commit 640d7efe4c08f06c4ae5d31b79bd8740e7f6790a ]

*_result[len] is parsed as *(_result[len]) which is not at all what we
want to touch here.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Fixes: 84a7c0b1db1c ("dns_resolver: assure that dns_query() result is null-terminated")
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 net/dns_resolver/dns_query.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
1.9.1
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Patch

diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c
index ede0e2d..2022b46 100644
--- a/net/dns_resolver/dns_query.c
+++ b/net/dns_resolver/dns_query.c
@@ -151,7 +151,7 @@  int dns_query(const char *type, const char *name, size_t namelen,
 		goto put;

 	memcpy(*_result, upayload->data, len);
-	*_result[len] = '\0';
+	(*_result)[len] = '\0';

 	if (_expiry)
 		*_expiry = rkey->expiry;