From nobody Tue Feb 13 01:52:05 2024 X-Original-To: current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4TYkpj1dw7z59TGD for ; Tue, 13 Feb 2024 01:52:13 +0000 (UTC) (envelope-from kib@freebsd.org) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4TYkph34wBz4rc3 for ; Tue, 13 Feb 2024 01:52:12 +0000 (UTC) (envelope-from kib@freebsd.org) Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=freebsd.org (policy=none); spf=softfail (mx1.freebsd.org: 2001:470:d5e7:1::1 is neither permitted nor denied by domain of kib@freebsd.org) smtp.mailfrom=kib@freebsd.org Received: from tom.home (kib@localhost [127.0.0.1] (may be forged)) by kib.kiev.ua (8.18.1/8.18.1) with ESMTP id 41D1q5Y5008283; Tue, 13 Feb 2024 03:52:08 +0200 (EET) (envelope-from kib@freebsd.org) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua 41D1q5Y5008283 Received: (from kostik@localhost) by tom.home (8.18.1/8.18.1/Submit) id 41D1q5Aa008282; Tue, 13 Feb 2024 03:52:05 +0200 (EET) (envelope-from kib@freebsd.org) X-Authentication-Warning: tom.home: kostik set sender to kib@freebsd.org using -f Date: Tue, 13 Feb 2024 03:52:05 +0200 From: Konstantin Belousov To: Alexander Leidinger Cc: current@freebsd.org Subject: Re: segfault in ld-elf.so.1 Message-ID: References: <1707730081-90734-mlmmj-4d88f1fd@FreeBSD.org> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham autolearn_force=no version=4.0.0 X-Spam-Checker-Version: SpamAssassin 4.0.0 (2022-12-14) on tom.home X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.99 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.99)[-0.991]; DMARC_POLICY_SOFTFAIL(0.10)[freebsd.org : No valid SPF, No valid DKIM,none]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_TWO(0.00)[2]; HAS_XAW(0.00)[]; ARC_NA(0.00)[]; FREEFALL_USER(0.00)[kib]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_TO(0.00)[gmail.com]; MLMMJ_DEST(0.00)[current@freebsd.org]; RCVD_TLS_LAST(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; R_DKIM_NA(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all:c]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MISSING_XM_UA(0.00)[] X-Rspamd-Queue-Id: 4TYkph34wBz4rc3 On Tue, Feb 13, 2024 at 02:58:14AM +0200, Konstantin Belousov wrote: > On Mon, Feb 12, 2024 at 11:54:02AM +0200, Konstantin Belousov wrote: > > On Mon, Feb 12, 2024 at 10:35:56AM +0100, Alexander Leidinger wrote: > > > Hi, > > > > > > dovecot (and no other program I use on this machine... at least not that I > > > notice it) segfaults in ld-elf.so.1 after an update from 2024-01-18-092730 > > > to 2024-02-10-144617 (and now 2024-02-11-212006 in the hope the issue would > > > have been fixed by changes to libc/libsys since 2024-02-10-144617). The > > > issue shows up when I try to do an IMAP login. A successful authentication > > > starts the imap process which immediately segfaults. > > > > > > I didn't recompile dovecot for the initial update, but I did now to rule > > > out a regression in this area (and to get access via imap do my normal mail > > > account). > > > > > > > > > Backtrace: > > The backtrace looks incomplete. It might be the case of infinite recursion, > > but I cannot claim it from the trace. > > > > Does the program segfault if you run it manually? If yes, please provide > > me with the tarball of the binary and all required shared libs, including > > base system libraries, from your machine. > > Regardless of my request, you might try the following. Note that I did > not tested the patch, ensure that you have a way to recover ld-elf.so.1 > if something goes wrong. Or better https://reviews.freebsd.org/D43858