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nixos: unset vm.mmap_rnd_compat_bits on loongarch64 (#515236)

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This commit is contained in:
Florian Klink
2026-05-01 03:10:11 +00:00
committed by GitHub
parent cb4581243c 002648b782
commit 94df3a60ed
1 changed files with 19 additions and 14 deletions
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nixos/modules/config/sysctl.nix
+19 -14
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@@ -72,20 +72,25 @@ in
{
inherit (config.boot.kernelPackages.kernel) configfile;
}
''
mmap_rnd_bits_max=$(grep "^CONFIG_ARCH_MMAP_RND_BITS_MAX=" $configfile | grep --only-matching "[0-9]*$")
if [[ -z "$mmap_rnd_bits_max" ]]; then
echo "Unable to determine mmap_rnd_bits_max. Check your kernel configfile is valid."
exit 1
fi
mmap_rnd_compat_bits_max=$(grep "^CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=" $configfile | grep --only-matching "[0-9]*$")
if [[ -z "$mmap_rnd_compat_bits_max" ]]; then
echo "Unable to determine mmap_rnd_compat_bits_max. Check your kernel configfile is valid."
exit 1
fi
echo "vm.mmap_rnd_bits=$mmap_rnd_bits_max" >> $out
echo "vm.mmap_rnd_compat_bits=$mmap_rnd_compat_bits_max" >> $out
'';
(
''
mmap_rnd_bits_max=$(grep "^CONFIG_ARCH_MMAP_RND_BITS_MAX=" $configfile | grep --only-matching "[0-9]*$")
if [[ -z "$mmap_rnd_bits_max" ]]; then
echo "Unable to determine mmap_rnd_bits_max. Check your kernel configfile is valid."
exit 1
fi
echo "vm.mmap_rnd_bits=$mmap_rnd_bits_max" >> $out
''
# HAVE_ARCH_MMAP_RND_COMPAT_BITS is not defined for LoongArch64
+ lib.optionalString (!pkgs.stdenv.hostPlatform.isLoongArch64) ''
mmap_rnd_compat_bits_max=$(grep "^CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=" $configfile | grep --only-matching "[0-9]*$")
if [[ -z "$mmap_rnd_compat_bits_max" ]]; then
echo "Unable to determine mmap_rnd_compat_bits_max. Check your kernel configfile is valid."
exit 1
fi
echo "vm.mmap_rnd_compat_bits=$mmap_rnd_compat_bits_max" >> $out
''
);
"sysctl.d/60-nixos.conf".text = lib.concatStrings (
lib.mapAttrsToList (
n: v: lib.optionalString (v != null) "${n}=${if v == false then "0" else toString v}\n"