diff options
Diffstat (limited to 'tags/2.6.18-7/30008_ipv6_fl_socklist-no-share.patch')
| -rw-r--r-- | tags/2.6.18-7/30008_ipv6_fl_socklist-no-share.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tags/2.6.18-7/30008_ipv6_fl_socklist-no-share.patch b/tags/2.6.18-7/30008_ipv6_fl_socklist-no-share.patch new file mode 100644 index 0000000..8749435 --- /dev/null +++ b/tags/2.6.18-7/30008_ipv6_fl_socklist-no-share.patch @@ -0,0 +1,32 @@ +From: Masayuki Nakagawa <nakagawa.msy@ncos.nec.co.jp> +Date: Fri, 16 Mar 2007 23:14:03 +0000 (-0700) +Subject: [IPV6]: ipv6_fl_socklist is inadvertently shared. +X-Git-Tag: v2.6.21-rc5~72^2 +X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=d35690beda1429544d46c8eb34b2e3a8c37ab299 + +[IPV6]: ipv6_fl_socklist is inadvertently shared. + +The ipv6_fl_socklist from listening socket is inadvertently shared +with new socket created for connection. This leads to a variety of +interesting, but fatal, bugs. For example, removing one of the +sockets may lead to the other socket's encountering a page fault +when the now freed list is referenced. + +The fix is to not share the flow label list with the new socket. + +Signed-off-by: Masayuki Nakagawa <nakagawa.msy@ncos.nec.co.jp> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + +diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c +index f57a9ba..92f9992 100644 +--- a/net/ipv6/tcp_ipv6.c ++++ b/net/ipv6/tcp_ipv6.c +@@ -1453,6 +1453,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, + First: no IPv4 options. + */ + newinet->opt = NULL; ++ newnp->ipv6_fl_list = NULL; + + /* Clone RX bits */ + newnp->rxopt.all = np->rxopt.all; |