Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > gnu.bash.bug > #14594

Re: expand_prompt_string segmentation faults

Path csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail
From Chet Ramey <chet.ramey@case.edu>
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 <mailman.864.1537140265.1284.bug-bash@gnu.org> (permalink)
References <20180914072655.GC18613@ubuntu> <e8ac720a-276a-86d3-aaa7-7371df0737ce@case.edu> <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 <bug-bash.gnu.org>
List-Unsubscribe <https://lists.gnu.org/mailman/options/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=unsubscribe>
List-Archive <http://lists.gnu.org/archive/html/bug-bash/>
List-Post <mailto:bug-bash@gnu.org>
List-Help <mailto:bug-bash-request@gnu.org?subject=help>
List-Subscribe <https://lists.gnu.org/mailman/listinfo/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=subscribe>
Xref csiph.com gnu.bash.bug:14594

Show key headers only | View raw


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/

Back to gnu.bash.bug | Previous | Next | Find similar | Unroll thread


Thread

Re: expand_prompt_string segmentation faults Chet Ramey <chet.ramey@case.edu> - 2018-09-16 19:24 -0400

csiph-web