Patch "proc: snmp6: Use correct type in memset" has been added to the 4.9-stable tree

Patch "proc: snmp6: Use correct type in memset" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    proc: snmp6: Use correct type in memset

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     proc-snmp6-use-correct-type-in-memset.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Jun 29 18:57:46 CEST 2017
From: Christian Perle <christian.perle@secunet.com>
Date: Mon, 12 Jun 2017 10:06:57 +0200
Subject: proc: snmp6: Use correct type in memset

From: Christian Perle <christian.perle@secunet.com>


[ Upstream commit 3500cd73dff48f28f4ba80c171c4c80034d40f76 ]

Reading /proc/net/snmp6 yields bogus values on 32 bit kernels.
Use "u64" instead of "unsigned long" in sizeof().

Fixes: 4a4857b1c81e ("proc: Reduce cache miss in snmp6_seq_show")
Signed-off-by: Christian Perle <christian.perle@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/ipv6/proc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -219,7 +219,7 @@ static void snmp6_seq_show_item64(struct
 	u64 buff64[SNMP_MIB_MAX];
 	int i;
 
-	memset(buff64, 0, sizeof(unsigned long) * SNMP_MIB_MAX);
+	memset(buff64, 0, sizeof(u64) * SNMP_MIB_MAX);
 
 	snmp_get_cpu_field64_batch(buff64, itemlist, mib, syncpoff);
 	for (i = 0; itemlist[i].name; i++)


Patches currently in stable-queue which might be from christian.perle@secunet.com are

queue-4.9/proc-snmp6-use-correct-type-in-memset.patch