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Date:      Wed, 15 Jul 2026 19:08:16 +0000
From:      Gleb Smirnoff <glebius@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: 3abd3d3cf3f0 - main - inpcb: return ENOMEM if bind(2) fails to allocate lbgroup
Message-ID:  <6a57daa0.38ed4.69a2a193@gitrepo.freebsd.org>
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The branch main has been updated by glebius:

URL: https://cgit.FreeBSD.org/src/commit/?id=3abd3d3cf3f034cb3d4250a95a8d6c41e72971ef

commit 3abd3d3cf3f034cb3d4250a95a8d6c41e72971ef
Author:     Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2026-07-15 18:49:32 +0000
Commit:     Gleb Smirnoff <glebius@FreeBSD.org>
CommitDate: 2026-07-15 19:07:53 +0000

    inpcb: return ENOMEM if bind(2) fails to allocate lbgroup
    
    This is exactly the same as the second part of IPv4's change
    136c5e17b61a1/D49153.
---
 sys/netinet6/in6_pcb.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/sys/netinet6/in6_pcb.c b/sys/netinet6/in6_pcb.c
index b5859777eee9..fc4cd3c9b1ad 100644
--- a/sys/netinet6/in6_pcb.c
+++ b/sys/netinet6/in6_pcb.c
@@ -137,10 +137,11 @@ in6_pcbsetport_locked(struct in6_addr *laddr, struct inpcb *inp,
 		return (error);
 
 	inp->inp_lport = lport;
-	if (in_pcbinshash(inp) != 0) {
+	if (__predict_false((error = in_pcbinshash(inp)) != 0)) {
+		MPASS(inp->inp_socket->so_options & SO_REUSEPORT_LB);
 		inp->in6p_laddr = in6addr_any;
 		inp->inp_lport = 0;
-		return (EAGAIN);
+		return (error);
 	}
 
 	inp->inp_flags |= INP_ANONPORT;
@@ -361,12 +362,13 @@ in6_pcbbind(struct inpcb *inp, struct sockaddr_in6 *sin6, int flags,
 		}
 	} else {
 		inp->inp_lport = lport;
-		if (in_pcbinshash(inp) != 0) {
+		if (__predict_false((error = in_pcbinshash(inp)) != 0)) {
+			MPASS(inp->inp_socket->so_options & SO_REUSEPORT_LB);
 			INP_HASH_WUNLOCK(inp->inp_pcbinfo);
 			inp->inp_flags &= ~INP_BOUNDFIB;
 			inp->in6p_laddr = in6addr_any;
 			inp->inp_lport = 0;
-			return (EAGAIN);
+			return (error);
 		}
 	}
 	INP_HASH_WUNLOCK(inp->inp_pcbinfo);
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