[{"id":1760319,"web_url":"http://patchwork.ozlabs.org/comment/1760319/","msgid":"","list_archive_url":null,"date":"2017-08-30T16:31:25","subject":"Re: [PATCH] malloc: Remove corrupt arena flag","submitter":{"id":22438,"url":"http://patchwork.ozlabs.org/api/people/22438/","name":"Carlos O'Donell","email":"carlos@redhat.com"},"content":"On 08/30/2017 11:04 AM, Florian Weimer wrote:\n> This is no longer needed because we now abort immediately\n> once heap corruption is detected.\n> \n> 2017-08-30 Florian Weimer \n> \n> \t* malloc/malloc.c (ARENA_CORRUPTION_BIT, arena_is_corrupt)\n> \t(set_arena_corrupt): Remove definitions.\n> \t(mtrim): Do not check for corrupt arena.\n> \t* malloc/arena.c (arena_lock, reused_arena, arena_get_retry):\n> \tLikewise.\nThanks for getting to the point where we can remove this.\n\nLess code in the allocator is always better.\n\nPatch looks good to me.","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list libc-alpha@sourceware.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=sourceware.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=libc-alpha-return-83880-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"efMef0M+\"; dkim-atps=neutral","sourceware.org; auth=none"],"Received":["from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xj9xm1vpVz9sNn\n\tfor ;\n\tThu, 31 Aug 2017 02:31:40 +1000 (AEST)","(qmail 4236 invoked by alias); 30 Aug 2017 16:31:33 -0000","(qmail 3385 invoked by uid 89); 30 Aug 2017 16:31:32 -0000"],"DomainKey-Signature":"a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:subject:to:references:from:message-id:date\n\t:mime-version:in-reply-to:content-type\n\t:content-transfer-encoding; q=dns; s=default; b=STXDuWQnsIyNrfRb\n\tjr5hm3tJso5T654xn2kS+XLSvlENEibbKZdb1hnnysQ4lVF1hnGEAi90U5S6sRJp\n\tn5cJvf8kHn0Qr++WU2CZP0n1s15F/r+t9xLzRUqET/4TNY87apjCEJPgcUPkssCh\n\tzFz7G55p652jykVppqglTW1ZeeQ=","DKIM-Signature":"v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:subject:to:references:from:message-id:date\n\t:mime-version:in-reply-to:content-type\n\t:content-transfer-encoding; s=default; bh=jVNMpL8nMERhQys5hlRC0s\n\tfb1ds=; b=efMef0M+n7xnbJmceBdvTmGUAVMb5fjdKvJZURTRZznh4GjN9Wg3Po\n\tx1QyxAWr8pKDOygI5GQy66g471LxCN2yTP2bFuEfRUouuca2Tk32KpNbSLBRU0BG\n\tvC/XmTZIjg5yV4ufvmlslNcqxsoV5JJ1xFv/YJNYAo27drfNKEYLU=","Mailing-List":"contact libc-alpha-help@sourceware.org; run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Subscribe":"","List-Archive":"","List-Post":"","List-Help":",\n\t","Sender":"libc-alpha-owner@sourceware.org","X-Virus-Found":"No","X-Spam-SWARE-Status":"No, score=-1.2 required=5.0 tests=AWL, BAYES_00,\n\tKAM_LAZY_DOMAIN_SECURITY, RCVD_IN_DNSWL_NONE,\n\tRCVD_IN_SORBS_SPAM autolearn=no version=3.3.2 spammy=","X-HELO":"mail-qk0-f172.google.com","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:subject:to:references:from:organization\n\t:message-id:date:user-agent:mime-version:in-reply-to\n\t:content-language:content-transfer-encoding;\n\tbh=oWyVtSfyN0xj8wLdIbWoB8iTjaxsKVrejMooX76pOZ8=;\n\tb=V4KYgqa9/JaHHmZTnQExpc2Gfxz43bTA3Z8r2srJkQ6qOt5admgR6ZPI0eQ289kQlL\n\t83u9iPu2T2PZ3rElwRLcJGTM0emjwpjCekdo+mUJiRNFJJtfRnOKMzT1e4pSMIMHn6Nx\n\tMBJFw8WmTxIbyl3EnokCYZgaOAP/K49o33w67gJrIH619nv4/VfBj7eKiioFQPXwsX36\n\tfVb4PrkfcRTxGTaQ5yIIv5Nq+lICEBQ14xdHksQ/Mo/gI3ZRtPF6nlT5CSdNazIDvhZj\n\tvNJ8LHD4HnpZ+ijI0jSX2TWa+lzcvIe4Ve4EUGaSy0xTbicdjM9ybXib+YNHwoBl4jS8\n\tHnpw==","X-Gm-Message-State":"AHYfb5imidbNkW6zGuItV8yc7NhRqHLHceF1AKwr0BFpRjTKuoDE7iCc\n\tg1X+sEK2Sds4V/jxrbMRYg==","X-Google-Smtp-Source":"ADKCNb7MVKvkEb2TKzshguyrFZIFP0Me0i5xeSwD2ygLPPKYl/EIjfVzkDZm5KlCDTJycv9Lv0eL7A==","X-Received":"by 10.55.15.75 with SMTP id z72mr10952458qkg.340.1504110689825; \n\tWed, 30 Aug 2017 09:31:29 -0700 (PDT)","Subject":"Re: [PATCH] malloc: Remove corrupt arena flag","To":"Florian Weimer , libc-alpha@sourceware.org","References":"<20170830160422.F2F1540C0E092@oldenburg.str.redhat.com>","From":"Carlos O'Donell ","Message-ID":"","Date":"Wed, 30 Aug 2017 11:31:25 -0500","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101\n\tThunderbird/52.2.1","MIME-Version":"1.0","In-Reply-To":"<20170830160422.F2F1540C0E092@oldenburg.str.redhat.com>","Content-Type":"text/plain; charset=utf-8","Content-Transfer-Encoding":"7bit"}}]