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bug#19563: grep -F: fix a heap buffer (read) overrun
From: |
Norihiro Tanaka |
Subject: |
bug#19563: grep -F: fix a heap buffer (read) overrun |
Date: |
Mon, 12 Jan 2015 09:31:09 +0900 |
On Sat, 10 Jan 2015 15:43:02 -0800
Jim Meyering <address@hidden> wrote:
> Colleagues Nima Aghdaii and Yuliy Pisetsky found and fixed a heap
> buffer overrun in grep's kwset.c. The underlying bug, already hard to
> trigger, would most often result in a "mere" heap UMR (uninitialized
> memory read), but Yuliy constructed inputs (see the new test) that
> cause a buffer overrun.
>
> I'm attaching two other related patches:
> - grep: avoid false-positive UMR
> - tests: add support for ASAN memory poisoning
>
> I expect to push these by Monday.
How about the attachments instead for the second patch?
0002-grep-F-fix-a-heap-buffer-read-overrun.patch
Description: Text document