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: '=~' crash on NetBSD Date: Thu, 7 May 2020 11:01:08 -0400 Organization: ITS, Case Western Reserve University Lines: 29 Approved: bug-bash@gnu.org Message-ID: References: <9f5a02eb-6e79-e369-5106-579060a6f946@inlv.org> <5278b79b-f4ed-96b7-248a-6f5d86d5fde1@case.edu> <9c7b0e18-932a-6d98-8784-9dbb6ad8eea6@inlv.org> <702f219f-a08d-fb45-fa49-ddafa97267e0@case.edu> 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 1588863687 10876 209.51.188.17 (7 May 2020 15:01:27 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: Martijn Dekker , Bug reports for the GNU Bourne Again SHell Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; 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envelope-from=chet.ramey@case.edu; helo=mpv4-2015.case.edu X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/07 11:01:18 X-ACL-Warn: Detected OS = Linux 2.4.x-2.6.x [generic] [fuzzy] X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: <702f219f-a08d-fb45-fa49-ddafa97267e0@case.edu> X-Mailman-Original-References: <9f5a02eb-6e79-e369-5106-579060a6f946@inlv.org> <5278b79b-f4ed-96b7-248a-6f5d86d5fde1@case.edu> <9c7b0e18-932a-6d98-8784-9dbb6ad8eea6@inlv.org> Xref: csiph.com gnu.bash.bug:16289 On 5/7/20 10:55 AM, Martijn Dekker wrote: > Op 07-05-20 om 14:20 schreef Chet Ramey: >> On 5/6/20 2:08 PM, Martijn Dekker wrote: >>> On NetBSD, bash (all versions, including current git) dumps core when using >>> [[ to match against an ERE containing certain UTF-8 characters, for >>> example, É ($'\303\211'). >>> >>> | $ bin/bash-5.0-debug -c "[[ c =~ $'\303\211' ]]" >>> | >>> | malloc: unknown:0: assertion botched >>> | malloc: 0x81ba08: allocated: last allocated from unknown:0 >>> | free: start and end chunk sizes differ >>> | Aborting...Abort trap (core dumped) >> >> What version of NetBSD? I don't run NetBSD, and I can't reproduce this on >> other platforms, so I'll have to go searching for something. > > Sorry about that omission. I've tested NetBSD 8.0, 8.1 and 9.0 (all amd64) > and the bug occurs on all of these. It dies in regfree(). The pattern is correct at entry ("\303\211"), and none of the allocations and frees in sh_regmatch fail. I'm calling it a NetBSD bug. -- ``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/