git: d62e8c5c6fdc - main - inpcb: update inpcb multipath routing information only on success

The branch main has been updated by glebius:

URL: https://cgit.FreeBSD.org/src/commit/?id=d62e8c5c6fdc9e3b006bf126e1fb863e8bdd6c51

commit d62e8c5c6fdc9e3b006bf126e1fb863e8bdd6c51
Author:     Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2026-05-26 16:02:06 +0000
Commit:     Gleb Smirnoff <glebius@FreeBSD.org>
CommitDate: 2026-05-28 04:46:38 +0000

    inpcb: update inpcb multipath routing information only on success
    
    This is very similar to IPv4 change 24e5c2ee2a18.  Don't modify inpcb
    until we are sure connect(2) will be successful.
    
    Fixes:  0c325f53f16731f608919a4489f96fbbe28d2344
---
 sys/netinet6/in6_pcb.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/sys/netinet6/in6_pcb.c b/sys/netinet6/in6_pcb.c
index 8132899bb0d9..0cf6be2f9b33 100644
--- a/sys/netinet6/in6_pcb.c
+++ b/sys/netinet6/in6_pcb.c
@@ -465,15 +465,6 @@ in6_pcbconnect(struct inpcb *inp, struct sockaddr_in6 *sin6, struct ucred *cred,
 	bzero(&laddr6, sizeof(laddr6));
 	laddr6.sin6_family = AF_INET6;
 
-	if (V_fib_hash_outbound) {
-		uint32_t hash_type, hash_val;
-
-		hash_val = fib6_calc_software_hash(&inp->in6p_laddr,
-		    &sin6->sin6_addr, 0, sin6->sin6_port,
-		    inp->inp_socket->so_proto->pr_protocol, &hash_type);
-		inp->inp_flowid = hash_val;
-		inp->inp_flowtype = hash_type;
-	}
 	/*
 	 * Call inner routine, to assign local interface address.
 	 * in6_pcbladdr() may automatically fill in sin6_scope_id.
@@ -520,6 +511,16 @@ in6_pcbconnect(struct inpcb *inp, struct sockaddr_in6 *sin6, struct ucred *cred,
 		in_pcbrehash(inp);
 	INP_HASH_WUNLOCK(pcbinfo);
 
+	if (V_fib_hash_outbound) {
+		uint32_t hash_type, hash_val;
+
+		hash_val = fib6_calc_software_hash(&inp->in6p_laddr,
+		    &sin6->sin6_addr, 0, sin6->sin6_port,
+		    inp->inp_socket->so_proto->pr_protocol, &hash_type);
+		inp->inp_flowid = hash_val;
+		inp->inp_flowtype = hash_type;
+	}
+
 	return (0);
 }