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| From | Chet Ramey <chet.ramey@case.edu> |
| 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 | <mailman.2359.1588863686.3066.bug-bash@gnu.org> (permalink) |
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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/
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Re: '=~' crash on NetBSD Chet Ramey <chet.ramey@case.edu> - 2020-05-07 11:01 -0400
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