From: Petr Malat Date: Sat, 9 Apr 2022 06:36:11 +0000 (+0200) Subject: sctp: Initialize daddr on peeled off socket X-Git-Tag: v4.19.239~25 X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=268d58f5400b9ca4d24c046c5281716dc0cf638a;p=wrapfs-3.14.y.git sctp: Initialize daddr on peeled off socket [ Upstream commit 8467dda0c26583547731e7f3ea73fc3856bae3bf ] Function sctp_do_peeloff() wrongly initializes daddr of the original socket instead of the peeled off socket, which makes getpeername() return zeroes instead of the primary address. Initialize the new socket instead. Fixes: d570ee490fb1 ("[SCTP]: Correctly set daddr for IPv6 sockets during peeloff") Signed-off-by: Petr Malat Acked-by: Marcelo Ricardo Leitner Link: https://lore.kernel.org/r/20220409063611.673193-1-oss@malat.biz Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- diff --git a/net/sctp/socket.c b/net/sctp/socket.c index d429d5922804..8901bb7afa2b 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5333,7 +5333,7 @@ int sctp_do_peeloff(struct sock *sk, sctp_assoc_t id, struct socket **sockp) * Set the daddr and initialize id to something more random and also * copy over any ip options. */ - sp->pf->to_sk_daddr(&asoc->peer.primary_addr, sk); + sp->pf->to_sk_daddr(&asoc->peer.primary_addr, sock->sk); sp->pf->copy_ip_options(sk, sock->sk); /* Populate the fields of the newsk from the oldsk and migrate the