Date: Thu, 29 Feb 2024 01:54:48 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 5db5c6c87a75 - main - rtld: use generated map file to check for some leaks from libc into rtld Message-ID: <202402290154.41T1sml0048017@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=5db5c6c87a75f8b1871f021726fc4697253ae5cf commit 5db5c6c87a75f8b1871f021726fc4697253ae5cf Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2024-02-28 23:40:41 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2024-02-29 01:49:02 +0000 rtld: use generated map file to check for some leaks from libc into rtld Reviewed by: brooks, emaste (previous version) Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D44136 --- libexec/rtld-elf/Makefile | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/libexec/rtld-elf/Makefile b/libexec/rtld-elf/Makefile index cc40b839024f..37c3840538d5 100644 --- a/libexec/rtld-elf/Makefile +++ b/libexec/rtld-elf/Makefile @@ -79,6 +79,25 @@ MAPFILE= ld-elf.so.1.map LDFLAGS+= -Wl,-Map=${MAPFILE} -Wl,--cref CLEANFILES+= ${MAPFILE} +afterbuild: + @if grep __libsys_interposing ${MAPFILE} >/dev/null ; then \ + echo "libsys_interposing leaked" 1>&2 ; \ + exit 1 ; \ + fi + @if grep __libc_interposing ${MAPFILE} >/dev/null ; then \ + echo "libc_interposing leaked" 1>&2 ; \ + exit 1 ; \ + fi + @if grep xlocale ${MAPFILE} >/dev/null ; then \ + echo "xlocale leaked" 1>&2 ; \ + exit 1 ; \ + fi + @if grep fprintf ${MAPFILE} >/dev/null ; then \ + echo "stdio leaked" 1>&2 ; \ + exit 1 ; \ + fi + + # Since moving rtld-elf to /libexec, we need to create a symlink. # Fixup the existing binary that's there so we can symlink over it. beforeinstall:
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