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From: Paul Eggert <eggert@cs.ucla.edu>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH] regex: fix buffer read overrun in search [BZ#28470]
Date: Tue, 19 Oct 2021 11:14:07 -0700	[thread overview]
Message-ID: <a4ddcb2b-5c50-25f6-01d6-df659fbfaa30@cs.ucla.edu> (raw)
In-Reply-To: <87k0i9oxus.fsf@igel.home>

On 10/19/21 08:09, Andreas Schwab wrote:
> Why is the bug not in re_string_reconstruct?  Since string[match_first]
> exists, so should re_string_byte_at (&mctx.input, offset).

I don't know, as I lacked the time to investigate re_string_reconstruct. 
Although the patch I proposed fixes the test case that prompted it, 
possibly it is only a partial fix for a more-general problem.

  reply	other threads:[~2021-10-19 18:14 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-18 22:15 Paul Eggert
2021-10-19  7:17 ` Andreas Schwab
2021-10-19  8:13   ` Paul Eggert
2021-10-19  8:25     ` Andreas Schwab
2021-10-19  8:57       ` Paul Eggert
2021-10-19 15:09         ` Andreas Schwab
2021-10-19 18:14           ` Paul Eggert [this message]
2021-11-24 22:27             ` Paul Eggert
2021-11-24 22:45               ` Andreas Schwab
2021-11-24 23:50                 ` Paul Eggert
2021-11-25  9:01                   ` Andreas Schwab
2021-11-26 18:35                     ` Paul Eggert
2021-11-26 18:39                       ` Andreas Schwab

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