This is a note to let you know that I've just added the patch titled
sctp: lack the check for ports in sctp_v6_cmp_addr
to the 3.14-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:
sctp-lack-the-check-for-ports-in-sctp_v6_cmp_addr.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Sat Apr 16 22:36:37 PDT 2016
From: Xin Long <lucien.xin@xxxxxxxxx>
Date: Sun, 28 Feb 2016 10:03:51 +0800
Subject: sctp: lack the check for ports in sctp_v6_cmp_addr
Status: RO
Content-Length: 1078
Lines: 34
From: Xin Long <lucien.xin@xxxxxxxxx>
[ Upstream commit 40b4f0fd74e46c017814618d67ec9127ff20f157 ]
As the member .cmp_addr of sctp_af_inet6, sctp_v6_cmp_addr should also check
the port of addresses, just like sctp_v4_cmp_addr, cause it's invoked by
sctp_cmp_addr_exact().
Now sctp_v6_cmp_addr just check the port when two addresses have different
family, and lack the port check for two ipv6 addresses. that will make
sctp_hash_cmp() cannot work well.
so fix it by adding ports comparison in sctp_v6_cmp_addr().
Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/sctp/ipv6.c | 2 ++
1 file changed, 2 insertions(+)
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -519,6 +519,8 @@ static int sctp_v6_cmp_addr(const union
}
return 0;
}
+ if (addr1->v6.sin6_port != addr2->v6.sin6_port)
+ return 0;
if (!ipv6_addr_equal(&addr1->v6.sin6_addr, &addr2->v6.sin6_addr))
return 0;
/* If this is a linklocal address, compare the scope_id. */
Patches currently in stable-queue which might be from lucien.xin@xxxxxxxxx are
queue-3.14/sctp-lack-the-check-for-ports-in-sctp_v6_cmp_addr.patch
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