From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,RDNS_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 Received: (qmail 28965 invoked from network); 24 Mar 2020 17:42:48 -0000 Received-SPF: pass (mother.openwall.net: domain of lists.openwall.com designates 195.42.179.200 as permitted sender) receiver=inbox.vuxu.org; client-ip=195.42.179.200 envelope-from= Received: from unknown (HELO mother.openwall.net) (195.42.179.200) by inbox.vuxu.org with ESMTP; 24 Mar 2020 17:42:48 -0000 Received: (qmail 20463 invoked by uid 550); 24 Mar 2020 17:42:46 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 20445 invoked from network); 24 Mar 2020 17:42:45 -0000 Date: Tue, 24 Mar 2020 13:42:31 -0400 From: Rich Felker To: musl@lists.openwall.com Message-ID: <20200324174231.GY11469@brightrain.aerifal.cx> References: <20200323163829.GR11469@brightrain.aerifal.cx> <20200324140124.GX11469@brightrain.aerifal.cx> <3addac2b-235b-1923-c43e-d31f29f2019e@adelielinux.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <3addac2b-235b-1923-c43e-d31f29f2019e@adelielinux.org> User-Agent: Mutt/1.5.21 (2010-09-15) Subject: Re: [musl] [Bug] Do not ignore membarrier return code On Tue, Mar 24, 2020 at 11:08:10AM -0500, A. Wilcox wrote: > On 24/03/2020 09:01, Rich Felker wrote: > > On Tue, Mar 24, 2020 at 02:53:21PM +0100, Julio Guerra wrote: > >>> But I wanted to give you more details with stack traces of the > >>> segfault by retrying today with gdb but I cannot reproduce it > >>> anymore...! > >>> I'll retry later to see if I see the error again... > >> > >> The node:10.19-alpine image has been updated since yesterday! That may > >> be why I don't have the issue anymore? It updated the latest > >> alpine:3.11 image, so 3.11.5. > >> The changelog talks says "main/musl: backport fixes from 1.2.0": > >> https://www.alpinelinux.org/posts/Alpine-3.11.5-released.html > > > > I'm not aware of any changes that are at all related to your problem. > > > > Rich > > My first guess is something to do with the really egregious inspector > signal stack bug. Our patch for Node 10.x is at: > > https://code.foxkit.us/adelie/packages/blob/master/user/node/stack-silliness.patch > > Alpine doesn't patch it for Node 12 because Node 12 has this code to > purportedly "handle musl": > > https://github.com/nodejs/node/blob/master/src/inspector_agent.cc#L112 > > But I still feel like it may be wrong. I think this may be the cause. I don't think Alpine ever had the patch Adélie had to fix this bug in node, but 3.11.5 has Node 12.15.0 which has the above fix. It looks like Alpine 3.11.0 has 12.14.0 which should also have the fix though... Rich