Re: [PATCH v4 03/36] arm64/gcs: Document the ABI for Guarded Control Stacks

From: Mark Brown
Date: Thu Oct 19 2023 - 13:08:26 EST


On Thu, Oct 05, 2023 at 06:23:10PM +0100, Catalin Marinas wrote:

> I haven't checked how many clone() or clone3() uses outside the libc are
> (I tried some quick search in Debian but did not dig into the specifics
> to see how generic that code is). I agree that having to change valid
> cases outside of libc is not ideal. Even if we have the same clone3()
> interface for x86 and arm64, we'd have other architectures that need
> #ifdef'ing.

FTR the set of Debian source packages that have references to the string
__NR_clone (which picks up clone3 too) is below. At least some (eg,
kore) just have things that look like a copy of the syscall table rather
than things that look like calls, though equally it's likely we're
missing some.

aflplusplus
android-platform-tools
binutils-avr
box64
brltty
bubblewrap
chromium
chrony
crash
criu
crun
dietlibc
elogind
emscripten
fakeroot-ng
falcosecurity-libs
firefox
firefox-esr
flatpak
gcc-9
gcc-10
gcc-11
gcc-12
gcc-13
gcc-arm-none-eabi
gcc-snapshot
gdb-msp430
glibc
gnumach
hurd
klibc
kore
libpod
libseccomp
linux
llvm-toolchain-14
llvm-toolchain-15
llvm-toolchain-16
lxc
lxcfs
lxd
musl
newlib
notcurses
purelibc
pwntools
qemu
qt6-base
qt6-webengine
qtbase-opensource-src
qtbase-opensource-src-gles
qtwebengine-opensource-src
radare2
rumur
rustc
rust-linux-raw-sys
rust-rustix
strace
stress-ng
swtpm
systemd
systemtap
termpaint
thunderbird
tor
uclibc
umview
valgrind
vsftpd
wasi-libc
webkit2gtk
wpewebkit

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