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posix: Fix double-free after allocation failure in regcomp (bug 33185)
authorFlorian Weimer <fweimer@redhat.com>
Mon, 21 Jul 2025 19:43:49 +0000 (21:43 +0200)
committerFlorian Weimer <fweimer@redhat.com>
Thu, 24 Jul 2025 07:19:27 +0000 (09:19 +0200)
commit2eb180377b96771b8368b0915669c8c7b267e739
tree48f9e5c869c64235c6f9ba5a6857802917ccf57ctree | snapshot
parentdbc83657e290bdad3245259be80fb84cbe10304ccommit | diff
posix: Fix double-free after allocation failure in regcomp (bug 33185)

If a memory allocation failure occurs during bracket expression
parsing in regcomp, a double-free error may result.

Reported-by: Anastasia Belova <abelova@astralinux.ru>
Co-authored-by: Paul Eggert <eggert@cs.ucla.edu>
Reviewed-by: Andreas K. Huettel <dilfridge@gentoo.org>
(cherry picked from commit 7ea06e994093fa0bcca0d0ee2c1db271d8d7885d)
NEWS diff | blob | blame | history
posix/Makefile diff | blob | blame | history
posix/regcomp.c diff | blob | blame | history
posix/tst-regcomp-bracket-free.c [new file with mode: 0644] blob
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