NetBSD Problem Report #59973

From www@netbsd.org  Sat Feb  7 22:39:21 2026
Return-Path: <www@netbsd.org>
Received: from mail.netbsd.org (mail.netbsd.org [199.233.217.200])
	(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
	 key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256
	 client-signature RSA-PSS (2048 bits) client-digest SHA256)
	(Client CN "mail.netbsd.org", Issuer "R13" (verified OK))
	by mollari.NetBSD.org (Postfix) with ESMTPS id DF87B1A923D
	for <gnats-bugs@gnats.NetBSD.org>; Sat,  7 Feb 2026 22:39:20 +0000 (UTC)
Message-Id: <20260207223919.DD04E1A923E@mollari.NetBSD.org>
Date: Sat,  7 Feb 2026 22:39:19 +0000 (UTC)
From: jmcneill@invisible.ca
Reply-To: jmcneill@invisible.ca
To: gnats-bugs@NetBSD.org
Subject: sntp core dump on NetBSD/evbppc
X-Send-Pr-Version: www-1.0
X-From4GNATS: "jmcneill@invisible.ca via gnats" <gnats-admin@NetBSD.org>

>Number:         59973
>Category:       bin
>Synopsis:       sntp core dump on NetBSD/evbppc
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Feb 07 22:40:00 +0000 2026
>Last-Modified:  Wed Mar 04 20:05:01 +0000 2026
>Originator:     Jared McNeill
>Release:        11.99.5
>Organization:
>Environment:
NetBSD nintendo 11.99.5 NetBSD 11.99.5 (NINTENDO.MP) #86: Sat Feb  7 14:15:29 AST 2026  jmcneill@berserk:/home/jmcneill/netbsd/obj/sys/arch/evbppc/compile/NINTENDO.MP evbppc
>Description:
nintendo# sntp time.nrc.ca
sntp 4.2.8p18-o Fri Jan 30 11:27:35 UTC 2026 (1)
kod_init_kod_db(): Cannot open KoD db file /var/db/ntp-kod: No such file or directory
[1]   Segmentation fault (core dumped) sntp time.nrc.ca

Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x053ba834 in queue_xmt ()
(gdb) bt
#0  0x053ba834 in queue_xmt ()
#1  0x053bab94 in sntp_name_resolved ()
#2  0x053c6270 in ?? ()
#3  0x053c5af8 in process_blocking_resp ()
#4  0x053b9538 in worker_resp_cb ()
#5  0xfc0e6300 in ?? () from /usr/lib/libevent.so.5
#6  0xfc0e6c20 in event_base_loop () from /usr/lib/libevent.so.5
#7  0xfc0e6fcc in event_base_dispatch () from /usr/lib/libevent.so.5
#8  0x053b9ee8 in sntp_main ()
#9  0x053e4ca4 in main ()

>How-To-Repeat:
See above
>Fix:

>Audit-Trail:
From: mlelstv@serpens.de (Michael van Elst)
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: bin/59973: sntp core dump on NetBSD/evbppc
Date: Sun, 8 Feb 2026 00:13:29 -0000 (UTC)

 gnats-admin@NetBSD.org ("jmcneill@invisible.ca via gnats") writes:

 >nintendo# sntp time.nrc.ca
 >sntp 4.2.8p18-o Fri Jan 30 11:27:35 UTC 2026 (1)
 >kod_init_kod_db(): Cannot open KoD db file /var/db/ntp-kod: No such file or directory
 >[1]   Segmentation fault (core dumped) sntp time.nrc.ca


 For some reason, a NULL pointer check was dropped with the last
 NTP update.

 Restoring the check helps.

 Index: external/bsd/ntp/dist/include/ntp_lists.h
 ===================================================================
 RCS file: /cvsroot/src/external/bsd/ntp/dist/include/ntp_lists.h,v
 retrieving revision 1.8
 diff -p -u -r1.8 ntp_lists.h
 --- external/bsd/ntp/dist/include/ntp_lists.h   1 Oct 2024 20:59:51 -0000      1.8
 +++ external/bsd/ntp/dist/include/ntp_lists.h   8 Feb 2026 00:12:50 -0000
 @@ -155,7 +155,7 @@ do {                                                       \
                                                                 \
         ppentry = &(listhead);                                  \
         while (TRUE) {                                          \
 -               if (beforecur) {                                \
 +               if (NULL == *ppentry || (beforecur)) {          \
                         (pentry)->nextlink = *ppentry;          \
                         *ppentry = (pentry);                    \
                         break;                                  \

From: "Michael van Elst" <mlelstv@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/59973 CVS commit: src/external/bsd/ntp/dist/include
Date: Sun, 8 Feb 2026 13:51:12 +0000

 Module Name:	src
 Committed By:	mlelstv
 Date:		Sun Feb  8 13:51:12 UTC 2026

 Modified Files:
 	src/external/bsd/ntp/dist/include: ntp_lists.h

 Log Message:
 Restore NULL pointer check from upstream. Should fix PR 59973.

 Pullup-11.


 To generate a diff of this commit:
 cvs rdiff -u -r1.8 -r1.9 src/external/bsd/ntp/dist/include/ntp_lists.h

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

From: "Martin Husemann" <martin@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/59973 CVS commit: [netbsd-11] src/external/bsd/ntp/dist/include
Date: Wed, 4 Mar 2026 20:02:43 +0000

 Module Name:	src
 Committed By:	martin
 Date:		Wed Mar  4 20:02:43 UTC 2026

 Modified Files:
 	src/external/bsd/ntp/dist/include [netbsd-11]: ntp_lists.h

 Log Message:
 Pull up following revision(s) (requested by mlelstv in ticket #198):

 	external/bsd/ntp/dist/include/ntp_lists.h: revision 1.9

 Restore NULL pointer check from upstream. Should fix PR 59973.


 To generate a diff of this commit:
 cvs rdiff -u -r1.8 -r1.8.2.1 src/external/bsd/ntp/dist/include/ntp_lists.h

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

Home	PR Database Search