Date: Sun, 2 Jan 2022 19:08:19 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 4d0b07d001a5 - stable/13 - Enforce that vdso does not consume too much from the shared page Message-ID: <202201021908.202J8J2M057915@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=4d0b07d001a55cde50797f3e462a9c32826a028e commit 4d0b07d001a55cde50797f3e462a9c32826a028e Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-11-18 01:20:08 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2022-01-02 16:43:01 +0000 Enforce that vdso does not consume too much from the shared page (cherry picked from commit b0e0b4e7b3795e9beb0cddcfd75261cc9327b5b0) --- sys/tools/amd64_ia32_vdso.sh | 6 ++++++ sys/tools/amd64_vdso.sh | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/sys/tools/amd64_ia32_vdso.sh b/sys/tools/amd64_ia32_vdso.sh index 15ad866b4471..7ef630dbaac5 100644 --- a/sys/tools/amd64_ia32_vdso.sh +++ b/sys/tools/amd64_ia32_vdso.sh @@ -40,6 +40,12 @@ ${LD} --shared -Bsymbolic -soname="elf-vdso32.so.1" \ --hash-style=sysv --fatal-warnings --strip-all \ -o elf-vdso32.so.1 ia32_sigtramp.pico +if [ "$(wc -c elf-vdso32.so.1 | ${AWK} '{print $1}')" -gt 2048 ] +then + echo "elf-vdso32.so.1 too large" 1>&2 + exit 1 +fi + ${CC} -x assembler-with-cpp -DLOCORE -fPIC -nostdinc -c \ -o elf-vdso32.so.o -I. -I"${S}" -include opt_global.h \ -DVDSO_NAME=elf_vdso32_so_1 -DVDSO_FILE=elf-vdso32.so.1 \ diff --git a/sys/tools/amd64_vdso.sh b/sys/tools/amd64_vdso.sh index 6a4111ffabc8..0bb351192407 100644 --- a/sys/tools/amd64_vdso.sh +++ b/sys/tools/amd64_vdso.sh @@ -49,6 +49,12 @@ ${LD} --shared -Bsymbolic -soname="elf-vdso.so.1" \ --hash-style=sysv --fatal-warnings --strip-all \ -o elf-vdso.so.1 sigtramp.pico +if [ "$(wc -c elf-vdso.so.1 | ${AWK} '{print $1}')" -gt 2048 ] +then + echo "elf-vdso.so.1 too large" 1>&2 + exit 1 +fi + ${CC} -x assembler-with-cpp -DLOCORE -fPIC -nostdinc -c \ -o elf-vdso.so.o -I. -I"${S}" -include opt_global.h \ -DVDSO_NAME=elf_vdso_so_1 -DVDSO_FILE=elf-vdso.so.1 \
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