From: Chris Wright <chrisw@sous-sol.org>
Date: Tue, 23 May 2006 22:08:13 +0000 (-0700)
Subject: [NETFILTER]: SNMP NAT: fix memleak in snmp_object_decode
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4a063739138e2c4e933188d641f1593e01ce8285;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[NETFILTER]: SNMP NAT: fix memleak in snmp_object_decode

If kmalloc fails, error path leaks data allocated from asn1_oid_decode().

Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/netfilter/ip_nat_snmp_basic.c b/net/ipv4/netfilter/ip_nat_snmp_basic.c
index 688a2f29fad..c33244263b9 100644
--- a/net/ipv4/netfilter/ip_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/ip_nat_snmp_basic.c
@@ -768,6 +768,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 			len *= sizeof(unsigned long);
 			*obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
 			if (*obj == NULL) {
+				kfree(lp);
 				kfree(id);
 				if (net_ratelimit())
 					printk("OOM in bsalg (%d)\n", __LINE__);