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Message-ID: <20260908172902.GT3542221@port70.net>
Date: Tue, 8 Sep 2026 19:29:02 +0200
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: regex fixes from upstream
some bug fixes i found in upstream tre repo.
btw while looking at regex code i've seen low hanging
fruits to do cleanup if anybody wants a pet project..
- optimize memory use by more compact struct layout or
better malloc pattern.
- upstream has some algorithmic changes that may save
a bit too, i havent seen anything big.
- better usage of the tre stack for ast traversal is
likely possible.
- long code_min/max should be int (?) drop casts.
- would be useful to collect tests / try upstream ones
(we dont support all upstream features though).
- make it easy to build outside musl see mallocng glue.h
(helps with fuzzing/static analisys)
- or just write a new one.
View attachment "0001-regex-fix-BRE-with-backref-to-repetition.patch" of type "text/x-diff" (1103 bytes)
View attachment "0002-regex-a-regcomp-assert-was-always-true.patch" of type "text/x-diff" (922 bytes)
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