netdev - [PATCH 2.6.26-rc4] fix double call of kfree_skb in net/llc/llc

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 for Android: free password hash cracker in your pocket

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

Date:	Tue, 27 May 2008 13:09:53 +0600
From:	"Dmitry Petukhov" <dmgenp@...il.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, acme@...stprotocols.net
Subject: [PATCH 2.6.26-rc4] fix double call of kfree_skb in net/llc/llc_sap.c

in function llc_sap_state_proces there was lack of return statement,
and finalizing kfree_skb might be called after skb was already freed
or queued to the user.

following patch adds the necessary return.

---

--- a/net/llc/llc_sap.c 2008-05-27 12:52:01.000000000 +0600
+++ b/net/llc/llc_sap.c 2008-05-27 12:52:37.000000000 +0600
@@ -223,6 +223,7 @@
                        if (sock_queue_rcv_skb(skb->sk, skb))
                                kfree_skb(skb);
                }
+               return;
        }
        kfree_skb(skb);
 }
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html