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Add a toggle for KSM

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Signed-off-by: Tad <tad@spotco.us>
This commit is contained in:
Tad 2023-07-14 15:45:35 -04:00
parent 34f89596f9
commit 192c73146a
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GPG Key ID: B286E9F57A07424B
10 changed files with 33 additions and 20 deletions
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2
Patches/Common/android_vendor_divested/overlay/common/frameworks/base/core/res/res/values/config.xml
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@ -42,6 +42,8 @@
<item>NTP_SERVER=2.android.pool.ntp.org</item>
<item>SUPL_VER=0x20000</item>
<item>SUPL_MODE=1</item>
<item>SUPL_ES=1</item>
<item>LPP_PROFILE=0</item>
</string-array>
<!-- Flag indicating whether the IMS service can be turned off. If false then

2
Scripts/Common/Deblob.sh
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@ -430,7 +430,7 @@ echo "Deblobbing...";
blobs=$blobs"|cacert_location.pem|com.qti.location.sdk.xml|com.qualcomm.location.xml|izat.conf|izat.xt.srv.xml|lowi.conf|xtra_root_cert.pem|xtwifi.conf";
blobs=$blobs"|com.qti.location.sdk.jar|izat.xt.srv.jar";
blobs=$blobs"|com.qualcomm.location.apk|com.qualcomm.services.location.apk|xtra_t_app.apk|CACertService.apk";
blobs=$blobs"|gpsone_daemon|izat.xt.srv|location-mq|loc_launcher|lowi-server|slim_ap_daemon|slim_daemon|xtwifi-client|xtwifi-inet-agent|xtra-daemon";
blobs=$blobs"|gpsone_daemon|izat.xt.srv|location-mq|loc_launcher|lowi-server|slim_ap_daemon|slim_daemon|xtwifi-client|xtwifi-inet-agent|xtra-daemon|garden_app";
overlay=$overlay"|config_comboNetworkLocationProvider|config_enableFusedLocationOverlay|config_enableNetworkLocationOverlay|config_fusedLocationProviderPackageName|config_enableNetworkLocationOverlay|config_networkLocationProviderPackageName|com.qualcomm.location";
#Machine Learning [Qualcomm]

10
Scripts/Common/Functions.sh
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@ -403,10 +403,10 @@ processRelease() {
mkdir -vp $ARCHIVE/fastboot;
mkdir -vp $ARCHIVE/incrementals;
cp -v $OUT_DIR/$PREFIX-fastboot.zip* $ARCHIVE/fastboot/ || true;
cp -v $OUT_DIR/$PREFIX-ota.zip* $ARCHIVE/ || true;
cp -v $OUT_DIR/$PREFIX-recovery.img* $ARCHIVE/ || true;
rename -- "-ota." "." $ARCHIVE/$PREFIX-ota.zip*;
if [ "$hasRecoveryImg" == "1" ] || [ "$hasDtboImg" == "0" ]; then cp -v $OUT_DIR/$PREFIX-fastboot.zip* $ARCHIVE/fastboot/ || true; fi;
if [ "$hasRecoveryImg" == "0" ] && [ "$hasDtboImg" == "1" ]; then cp -v $OUT_DIR/$PREFIX-recovery.img* $ARCHIVE/ || true; fi;
if [ "$DOS_GENERATE_DELTAS" = true ]; then
if [[ " ${DOS_GENERATE_DELTAS_DEVICES[@]} " =~ " ${DEVICE} " ]]; then
cp -v $OUT_DIR/$PREFIX-target_files.zip* $ARCHIVE/target_files/ || true;
@ -901,6 +901,7 @@ hardenDefconfig() {
optionsYes+=("DEBUG_KERNEL" "DEBUG_CREDENTIALS" "DEBUG_LIST" "DEBUG_VIRTUAL");
optionsYes+=("DEBUG_RODATA" "DEBUG_SET_MODULE_RONX");
#optionsYes+=("DEBUG_SG"); #bootloops - https://patchwork.kernel.org/patch/8989981
if [ "$DOS_USE_KSM" = true ]; then optionsYes+=("KSM"); fi;
if [[ $kernelVersion == "3."* ]] || [[ $kernelVersion == "4.4"* ]] || [[ $kernelVersion == "4.9"* ]]; then
optionsYes+=("DEBUG_NOTIFIERS"); #(https://github.com/GrapheneOS/os-issue-tracker/issues/681)
@ -1082,7 +1083,8 @@ hardenDefconfig() {
optionsNo+=("BLK_DEV_FD" "BT_HS" "IO_URING" "IP_DCCP" "IP_SCTP" "VIDEO_VIVID" "FB_VIRTUAL" "RDS" "RDS_TCP");
optionsNo+=("HIBERNATION");
optionsNo+=("KEXEC" "KEXEC_FILE");
optionsNo+=("KSM" "UKSM");
optionsNo+=("UKSM");
if [ "$DOS_USE_KSM" = false ]; then optionsNo+=("KSM"); fi;
optionsNo+=("LIVEPATCH");
optionsNo+=("WIREGUARD"); #Requires root access, which we do not provide
if [ "$DOS_DEBLOBBER_REMOVE_IPA" = true ]; then optionsNo+=("IPA" "RMNET_IPA"); fi;
@ -1090,7 +1092,7 @@ hardenDefconfig() {
optionsNo+=("GCC_PLUGIN_RANDSTRUCT_PERFORMANCE");
optionsNo+=("HARDENED_USERCOPY_FALLBACK");
optionsNo+=("SECURITY_SELINUX_DISABLE" "SECURITY_WRITABLE_HOOKS");
optionsNo+=("SLAB_MERGE_DEFAULT");
if [ "$DOS_USE_KSM" = false ]; then optionsNo+=("SLAB_MERGE_DEFAULT"); fi;
if [[ "$DOS_VERSION" != "LineageOS-20.0" ]]; then optionsNo+=("USERFAULTFD"); fi;
#optionsNo+=("CFI_PERMISSIVE");
#misc

24
Scripts/Common/Post.sh
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@ -24,15 +24,23 @@ echo "Post tweaks...";
#MSM_DLOAD_MODE can't be disabled as it breaks compile
sed -i 's/set_dload_mode(in_panic)/set_dload_mode(0)/' kernel/*/*/arch/arm/mach-msm/restart.c &>/dev/null || true;
#Disable slub/slab merging
sed -i 's/static int slub_nomerge;/static int slub_nomerge = 1;/' kernel/*/*/mm/slub.c &>/dev/null || true; #2.6.22-3.17
sed -i 's/static int slab_nomerge;/static int slab_nomerge = 1;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #3.18-4.12
sed -i 's/static bool slab_nomerge = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
sed -i 's/static bool slab_nomerge __ro_after_init = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge __ro_after_init = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
if [ "$DOS_USE_KSM" = true ]; then
#Enable KSM #XXX testing only
sed -i 's/unsigned int ksm_run = KSM_RUN_STOP;/unsigned int ksm_run = KSM_RUN_MERGE;/' kernel/*/*/mm/ksm.c &>/dev/null || true;
sed -i 's/unsigned long ksm_run = KSM_RUN_STOP;/unsigned long ksm_run = KSM_RUN_MERGE;/' kernel/*/*/mm/ksm.c &>/dev/null || true;
#Enable KSM #XXX testing only
#sed -i 's/unsigned int ksm_run = KSM_RUN_STOP;/unsigned int ksm_run = KSM_RUN_MERGE;/' kernel/*/*/mm/ksm.c &>/dev/null || true;
#sed -i 's/unsigned long ksm_run = KSM_RUN_STOP;/unsigned long ksm_run = KSM_RUN_MERGE;/' kernel/*/*/mm/ksm.c &>/dev/null || true;
#Enable slub/slab merging #XXX testing only
sed -i 's/static int slub_nomerge;/static int slub_nomerge = 0;/' kernel/*/*/mm/slub.c &>/dev/null || true; #2.6.22-3.17
sed -i 's/static int slab_nomerge;/static int slab_nomerge = 0;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #3.18-4.12
sed -i 's/static bool slab_nomerge = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge = false;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
sed -i 's/static bool slab_nomerge __ro_after_init = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge __ro_after_init = false;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
else
#Disable slub/slab merging
sed -i 's/static int slub_nomerge;/static int slub_nomerge = 1;/' kernel/*/*/mm/slub.c &>/dev/null || true; #2.6.22-3.17
sed -i 's/static int slab_nomerge;/static int slab_nomerge = 1;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #3.18-4.12
sed -i 's/static bool slab_nomerge = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
sed -i 's/static bool slab_nomerge __ro_after_init = !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT);/static bool slab_nomerge __ro_after_init = true;/' kernel/*/*/mm/slab_common.c &>/dev/null || true; #4.13+
fi;
#Enable page poisoning
#Commented as set by defconfig

2
Scripts/LineageOS-16.0/Patch.sh
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@ -66,7 +66,7 @@ applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-1.patch";
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-2.patch"; #Replace brk and sbrk with stubs (GrapheneOS) #XXX: some vendor blobs use sbrk
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-3.patch"; #Use blocking getrandom and avoid urandom fallback (GrapheneOS) #XXX: some kernels do not have (working) getrandom
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-4.patch"; #Fix undefined out-of-bounds accesses in sched.h (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-5.patch"; #Stop implicitly marking mappings as mergeable (GrapheneOS)
if [ "$DOS_USE_KSM" = false ]; then applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-5.patch"; fi; #Stop implicitly marking mappings as mergeable (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-6.patch"; #Replace VLA formatting buffer with dprintf (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-7.patch"; #Increase default pthread stack to 8MiB on 64-bit (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-8.patch"; #Make __stack_chk_guard read-only at runtime (GrapheneOS)

2
Scripts/LineageOS-17.1/Patch.sh
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@ -71,7 +71,7 @@ applyPatch "$DOS_PATCHES/android_bionic/0003-Graphene_Bionic_Hardening-1.patch";
#applyPatch "$DOS_PATCHES/android_bionic/0003-Graphene_Bionic_Hardening-2.patch"; #Replace brk and sbrk with stubs (GrapheneOS) #XXX: some vendor blobs use sbrk
#applyPatch "$DOS_PATCHES/android_bionic/0003-Graphene_Bionic_Hardening-3.patch"; #Use blocking getrandom and avoid urandom fallback (GrapheneOS) #XXX: some kernels do not have (working) getrandom
applyPatch "$DOS_PATCHES/android_bionic/0003-Graphene_Bionic_Hardening-4.patch"; #Fix undefined out-of-bounds accesses in sched.h (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0003-Graphene_Bionic_Hardening-5.patch"; #Stop implicitly marking mappings as mergeable (GrapheneOS)
if [ "$DOS_USE_KSM" = false ]; then applyPatch "$DOS_PATCHES/android_bionic/0003-Graphene_Bionic_Hardening-5.patch"; fi; #Stop implicitly marking mappings as mergeable (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0003-Graphene_Bionic_Hardening-6.patch"; #Replace VLA formatting buffer with dprintf (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0003-Graphene_Bionic_Hardening-7.patch"; #Increase default pthread stack to 8MiB on 64-bit (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0003-Graphene_Bionic_Hardening-8.patch"; #Make __stack_chk_guard read-only at runtime (GrapheneOS)

2
Scripts/LineageOS-18.1/Patch.sh
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@ -66,7 +66,7 @@ applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-1.patch";
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-2.patch"; #Replace brk and sbrk with stubs (GrapheneOS) #XXX: some vendor blobs use sbrk
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-3.patch"; #Use blocking getrandom and avoid urandom fallback (GrapheneOS) #XXX: some kernels do not have (working) getrandom
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-4.patch"; #Fix undefined out-of-bounds accesses in sched.h (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-5.patch"; #Stop implicitly marking mappings as mergeable (GrapheneOS)
if [ "$DOS_USE_KSM" = false ]; then applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-5.patch"; fi; #Stop implicitly marking mappings as mergeable (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-6.patch"; #Replace VLA formatting with dprintf-like function (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-7.patch"; #Increase default pthread stack to 8MiB on 64-bit (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-8.patch"; #Make __stack_chk_guard read-only at runtime (GrapheneOS)

2
Scripts/LineageOS-19.1/Patch.sh
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@ -66,7 +66,7 @@ applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-1.patch";
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-2.patch"; #Replace brk and sbrk with stubs (GrapheneOS) #XXX: some vendor blobs use sbrk
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-3.patch"; #Use blocking getrandom and avoid urandom fallback (GrapheneOS) #XXX: some kernels do not have (working) getrandom
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-4.patch"; #Fix undefined out-of-bounds accesses in sched.h (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-5.patch"; #Stop implicitly marking mappings as mergeable (GrapheneOS)
if [ "$DOS_USE_KSM" = false ]; then applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-5.patch"; fi; #Stop implicitly marking mappings as mergeable (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-6.patch"; #Replace VLA formatting with dprintf-like function (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-7.patch"; #Increase default pthread stack to 8MiB on 64-bit (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-8.patch"; #Make __stack_chk_guard read-only at runtime (GrapheneOS)

2
Scripts/LineageOS-20.0/Patch.sh
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@ -66,7 +66,7 @@ applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-1.patch";
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-2.patch"; #Replace brk and sbrk with stubs (GrapheneOS) #XXX: some vendor blobs use sbrk
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-3.patch"; #Use blocking getrandom and avoid urandom fallback (GrapheneOS) #XXX: some kernels do not have (working) getrandom
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-4.patch"; #Fix undefined out-of-bounds accesses in sched.h (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-5.patch"; #Stop implicitly marking mappings as mergeable (GrapheneOS)
if [ "$DOS_USE_KSM" = false ]; then applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-5.patch"; fi; #Stop implicitly marking mappings as mergeable (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-6.patch"; #Replace VLA formatting with dprintf-like function (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-7.patch"; #Increase default pthread stack to 8MiB on 64-bit (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-8.patch"; #Make __stack_chk_guard read-only at runtime (GrapheneOS)

5
Scripts/init.sh
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@ -49,7 +49,7 @@ export DOS_DEBLOBBER_REMOVE_DPP=false; #Set true to remove all Display Post Proc
export DOS_DEBLOBBER_REMOVE_FP=false; #Set true to remove all fingerprint reader blobs
export DOS_DEBLOBBER_REMOVE_GRAPHICS=false; #Set true to remove all graphics blobs and use SwiftShader CPU renderer #TODO: Needs work
export DOS_DEBLOBBER_REMOVE_EUICC=true; #Set true to remove all eUICC blobs
export DOS_DEBLOBBER_REMOVE_IMS=false; #Set true to remove all IMS blobs XXX: Carriers are phasing out 3G, making IMS mandatory for calls
export DOS_DEBLOBBER_REMOVE_IMS=false; #Set true to remove all IMS blobs #XXX: Carriers are phasing out 3G, making IMS mandatory for calls
export DOS_DEBLOBBER_REMOVE_IPA=false; #Set true to remove all IPA blobs
export DOS_DEBLOBBER_REMOVE_IR=false; #Set true to remove all IR blobs
export DOS_DEBLOBBER_REMOVE_RCS=true; #Set true to remove all RCS blobs
@ -67,7 +67,8 @@ export DOS_HOSTS_BLOCKING=true; #Set false to prevent inclusion of a HOSTS file
export DOS_HOSTS_BLOCKING_LIST="https://divested.dev/hosts-wildcards"; #Must be in the format "127.0.0.1 bad.domain.tld"
export DOS_MICROG_SUPPORT=true; #Opt-in unprivileged microG support on 17.1+18.1+19.1+20.0
export DOS_SENSORS_PERM=false; #Set true to provide a per-app sensors permission for 14.1/15.1 #XXX: can break things like camera
export DOS_STRONG_ENCRYPTION_ENABLED=false; #Set true to enable AES 256-bit FDE encryption on 14.1+15.1 XXX: THIS WILL **DESTROY** EXISTING INSTALLS!
export DOS_STRONG_ENCRYPTION_ENABLED=false; #Set true to enable AES 256-bit FDE encryption on 14.1+15.1 #XXX: THIS WILL **DESTROY** EXISTING INSTALLS!
export DOS_USE_KSM=false; #Set true to use KSM for increased memory efficiency at the cost of easier side-channel attacks and increased CPU usage #XXX: testing only
export DOS_WEBVIEW_LFS=true; #Whether to `git lfs pull` in the WebView repository
#alias DOS_WEBVIEW_CHERRYPICK='git pull "https://github.com/LineageOS/android_external_chromium-webview" refs/changes/00/316600/2';