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Re: '=~' crash on NetBSD

From: Martijn Dekker
Subject: Re: '=~' crash on NetBSD
Date: Thu, 7 May 2020 15:55:50 +0100
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.8.0

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.

If it helps, sdf.org will give you a free NetBSD 8.1 user account with access to gcc.

- M.

modernish -- harness the shell

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