Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: Chet Ramey Newsgroups: gnu.bash.bug Subject: Re: expand_prompt_string segmentation faults Date: Sun, 16 Sep 2018 19:24:13 -0400 Organization: ITS, Case Western Reserve University Lines: 20 Approved: bug-bash@gnu.org Message-ID: References: <20180914072655.GC18613@ubuntu> <20180916081228.GA31037@ubuntu> <89da4b51-fd95-3f1b-45df-a6ca68fa4840@case.edu> <20180916211528.GB31037@ubuntu> Reply-To: chet.ramey@case.edu NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: usenet.stanford.edu 1537140266 24797 208.118.235.17 (16 Sep 2018 23:24:26 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: bug-bash@gnu.org Envelope-to: bug-bash@gnu.org X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:cc:subject:to:references:from :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=Q7sseeInfvJ66S8Z7P2u/XYWZOWUTLPcGQ3uYXyjMTU=; b=cp2H3zfixH7BBMNUZnAn8UPLrQXVvSeDnJlGzZ1I1sc7yhseoKBE2qa/OeDqY4M7q7 +nn/v7rB+/14trFdfIh3lN0dWL6MebWY+4dznyq4y2LFaU6vkcGAFQyUoi05GdG1Haqn FTZCKaHAUK00r9OHg8NOAWGa90s3xNDRh/RGZ7zPZ5X6zOvAyzxTDXUAyyet3LAJUR2s 095LEAFs8KKS+8ug+nRMkwiEK48pUMgsa6jbf0B8KdGCJfDBtOKWERtzJRYK/vt4QTdb wtht8sUokQ8aRUfrOhvhtA7UWQfdbWSweZBwviMs/owA+Ep0z8WLMTPAmnfYJaNQ0I4/ lkLg== X-Gm-Message-State: APzg51B8/fK0PJftJrcZZW22VdL9hJrfOojFrA2eGYLRmHeCFEmUxZDK ognky/d6RnD3CgwF5vlPCra7k+WDwTltMiwDrKwMpHc8r3p4FyodM+Qmgm5oqV4eawl+Jk+Mynl Ys1VE6E0t3jk= X-Received: by 2002:a24:c303:: with SMTP id s3-v6mr5130706itg.10.1537140255912; Sun, 16 Sep 2018 16:24:15 -0700 (PDT) X-Google-Smtp-Source: ANB0VdYjBjQKI9ReMRLoz/mSRWaASJZIbeiCHEtfypQG8gEAYmkkVPMHubMMNIaTED2Z0uAD5d8Xag== X-Received: by 2002:a24:c303:: with SMTP id s3-v6mr5130701itg.10.1537140255674; Sun, 16 Sep 2018 16:24:15 -0700 (PDT) User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 In-Reply-To: <20180916211528.GB31037@ubuntu> Content-Language: en-US X-Junkmail-Status: score=7/90, host=mpv3-2015.case.edu X-Junkmail-PrAS-Raw: score=7/90, refid=2.7.2:2018.9.16.225416:17:7.944, ip=, rules=__YOUTUBE_RCVD, __X_GOOGLE_DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __SUBJ_REPLY, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __SUBJ_ALPHA_END, __TO_MALFORMED_2, __TO_NO_NAME, __REFERENCES, __HAS_FROM, FROM_EDU_TLD, __HAS_MSGID, __SANE_MSGID, DATE_TZ_NA, __USER_AGENT, __MOZILLA_USER_AGENT, __MIME_VERSION, __IN_REP_TO, __CT, __CT_TEXT_PLAIN, __CTE, __REPLYTO_SAMEAS_FROM_ADDY, __REPLYTO_SAMEAS_FROM_ACC, __FROM_DOMAIN_IN_ANY_CC1, __FROM_DOMAIN_IN_ANY_CC2, __REPLYTO_SAMEAS_FROM_DOMAIN, __ANY_URI, __URI_WITH_PATH, __URI_NO_WWW, __CP_URI_IN_BODY, __FRAUD_MONEY_CURRENCY_DOLLAR, __SUBJ_ALPHA_NEGATE, __URI_IN_BODY, __URI_NOT_IMG, __FORWARDED_MSG, __NO_HTML_TAG_RAW, BODY_SIZE_700_799, BODYTEXTP_SIZE_3000_LESS, __MIME_TEXT_P1, __MIME_TEXT_ONLY, __URI_NS, HTML_00_01, HTML_00_10, __FRAUD_MONEY_CURRENCY, BODY_SIZE_5000_LESS, IN_REP_TO, MSG_THREAD, [TRUNCATED], so=2010-03-03 19:42:08, dmn=2016-08-03-0138 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 129.22.103.194 X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com gnu.bash.bug:14594 On 9/16/18 5:15 PM, Eduardo A. Bustamante López wrote: > On Sun, Sep 16, 2018 at 02:39:07PM -0400, Chet Ramey wrote: >> On 9/16/18 4:12 AM, Eduardo A. Bustamante López wrote: >>> Here's another interesting crash: >>> >>> $ base64 < 53 >>> MBgFEBAQMBgFEBAfEA== >>> >>> $ gdb -batch -ex=r -ex=bt --args ./bash --noprofile --norc -c 'PATH=; set -o emacs; IFS= read -re' < 53 >> >> I can't reproduce this on Mac OS X or Fedora 28. OK, let me look around some more with your debugging hints. If I find it, it will be in the next devel branch push. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/