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Date:      Fri, 24 Apr 2026 00:54:31 +0000
From:      Jose Luis Duran <jlduran@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Cc:        Christos Longros <chris.longros@gmail.com>
Subject:   git: 2d2f92194f07 - stable/14 - ping6: treat setsockopt failures as fatal
Message-ID:  <69eabf47.213df.65263a01@gitrepo.freebsd.org>

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The branch stable/14 has been updated by jlduran:

URL: https://cgit.FreeBSD.org/src/commit/?id=2d2f92194f0776c89afcbc1244fcc8e1de69107e

commit 2d2f92194f0776c89afcbc1244fcc8e1de69107e
Author:     Christos Longros <chris.longros@gmail.com>
AuthorDate: 2026-04-17 18:19:24 +0000
Commit:     Jose Luis Duran <jlduran@FreeBSD.org>
CommitDate: 2026-04-24 00:52:26 +0000

    ping6: treat setsockopt failures as fatal
    
    ping6 needs IPV6_RECVPKTINFO and IPV6_RECVHOPLIMIT to process
    incoming replies. When these options fail, replies are silently
    dropped and ping6 appears to hang. Use err(3) instead of warn(3)
    so the user gets a clear error and immediate exit.
    
    Signed-off-by: Christos Longros <chris.longros@gmail.com>
    
    Reviewed by:    pouria, jlduran, glebius
    MFC after:      1 week
    Differential Revision:  https://reviews.freebsd.org/D56237
    
    (cherry picked from commit 9a4a9f623bbaf991b3ba580593d47f2ee9f7b03b)
---
 sbin/ping/ping6.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sbin/ping/ping6.c b/sbin/ping/ping6.c
index afbaba33e4f7..de2f34dd78db 100644
--- a/sbin/ping/ping6.c
+++ b/sbin/ping/ping6.c
@@ -1096,21 +1096,21 @@ ping6(int argc, char *argv[])
 #ifdef IPV6_RECVPKTINFO
 	if (setsockopt(srecv, IPPROTO_IPV6, IPV6_RECVPKTINFO, &optval,
 	    sizeof(optval)) < 0)
-		warn("setsockopt(IPV6_RECVPKTINFO)"); /* XXX err? */
+		err(1, "setsockopt(IPV6_RECVPKTINFO)");
 #else  /* old adv. API */
 	if (setsockopt(srecv, IPPROTO_IPV6, IPV6_PKTINFO, &optval,
 	    sizeof(optval)) < 0)
-		warn("setsockopt(IPV6_PKTINFO)"); /* XXX err? */
+		err(1, "setsockopt(IPV6_PKTINFO)");
 #endif
 #endif /* USE_SIN6_SCOPE_ID */
 #ifdef IPV6_RECVHOPLIMIT
 	if (setsockopt(srecv, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &optval,
 	    sizeof(optval)) < 0)
-		warn("setsockopt(IPV6_RECVHOPLIMIT)"); /* XXX err? */
+		err(1, "setsockopt(IPV6_RECVHOPLIMIT)");
 #else  /* old adv. API */
 	if (setsockopt(srecv, IPPROTO_IPV6, IPV6_HOPLIMIT, &optval,
 	    sizeof(optval)) < 0)
-		warn("setsockopt(IPV6_HOPLIMIT)"); /* XXX err? */
+		err(1, "setsockopt(IPV6_HOPLIMIT)");
 #endif
 
 	cap_rights_clear(&rights_srecv, CAP_SETSOCKOPT);


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