eda47481b9
kpatch_process: fix possible double free. ptrace: fix NULL pointer access problem fix patched process crashing when acccess the global var fix probably restore cc symbol link fail when kill patch building uncourteous optimize: Remove unnecessary comparison code Signed-off-by: yezengruan <yezengruan@huawei.com> (cherry picked from commit f3d59711105eb667fa2f920958fcbdbb7068afd2)
101 lines
2.6 KiB
Diff
101 lines
2.6 KiB
Diff
From c4f9d59c62454d255af4a5c3933eebf6942dbd99 Mon Sep 17 00:00:00 2001
|
|
From: ctyunsystem <ctyuncommiter05@chinatelecom.cn>
|
|
Date: Wed, 11 May 2022 10:32:45 +0800
|
|
Subject: [PATCH 4/5] fix probably restore cc symbol link fail when kill patch
|
|
building uncourteous
|
|
|
|
---
|
|
src/libcare-patch-make | 45 ++++--------------------------------------
|
|
1 file changed, 4 insertions(+), 41 deletions(-)
|
|
|
|
diff --git a/src/libcare-patch-make b/src/libcare-patch-make
|
|
index 03aa1d6..41e5926 100755
|
|
--- a/src/libcare-patch-make
|
|
+++ b/src/libcare-patch-make
|
|
@@ -83,32 +83,6 @@ restore_origs() {
|
|
|
|
trap "restore_origs" 0
|
|
|
|
-replace_qemu_ld_flags() {
|
|
- local qemu_ld_flags_old=$1
|
|
- ret=$(echo $qemu_ld_flags_old | grep "\-Wl,-q")
|
|
- if [[ "$ret" == "" ]]; then
|
|
- local qemu_ld_flags="${qemu_ld_flags_old} -Wl,-q"
|
|
- echo "replace QEMU_LDFLAGS to '${qemu_ld_flags}'"
|
|
- sed -i "/^QEMU_LDFLAGS=/c\\${qemu_ld_flags}" config-host.mak
|
|
- fi
|
|
-}
|
|
-
|
|
-recover_qemu_ld_flags() {
|
|
- local qemu_ld_flags=$1
|
|
- echo "recover QEMU_LDFLAGS to '${qemu_ld_flags}'"
|
|
- sed -i "/^QEMU_LDFLAGS=/c\\${qemu_ld_flags}" config-host.mak
|
|
-}
|
|
-
|
|
-replace_cc_symbolink() {
|
|
- unlink $SYMBOLINK_CC
|
|
- ln -s $LIBCARE_CC $SYMBOLINK_CC
|
|
-}
|
|
-
|
|
-recover_cc_symbolink() {
|
|
- unlink $SYMBOLINK_CC
|
|
- ln -s $REAL_CC $SYMBOLINK_CC
|
|
-}
|
|
-
|
|
build_objects() {
|
|
restore_origs
|
|
|
|
@@ -124,7 +98,8 @@ build_objects() {
|
|
export KPCC_DBGFILTER_ARGS=""
|
|
|
|
echo "${green}BUILDING ORIGINAL CODE${reset}"
|
|
- make $LPMAKEFILE $JOBS_MAKE >$MAKE_OUTPUT 2>&1
|
|
+ local lp_make_env_original="CC=${CC}"
|
|
+ make $LPMAKEFILE $JOBS_MAKE ${lp_make_env_original} >$MAKE_OUTPUT 2>&1
|
|
|
|
echo "${green}INSTALLING ORIGINAL OBJECTS INTO $LPMAKE_ORIGINAL_DIR${reset}"
|
|
make $LPMAKEFILE $JOBS_MAKE install \
|
|
@@ -149,20 +124,14 @@ build_objects() {
|
|
export KPATCH_STAGE=patched
|
|
export KPCC_APPEND_ARGS="-Wl,-q"
|
|
|
|
- qemu_ld_flags_bak=$(grep "^QEMU_LDFLAGS=" config-host.mak)
|
|
- #add '-Wl,-q' to LD_FLAGS
|
|
- replace_qemu_ld_flags "$qemu_ld_flags_bak"
|
|
-
|
|
echo "${green}BUILDING PATCHED CODE${reset}"
|
|
- make $LPMAKEFILE $JOBS_MAKE >$MAKE_OUTPUT 2>&1
|
|
+ local lp_make_env_patched="CC=${CC}"
|
|
+ make $LPMAKEFILE $JOBS_MAKE ${lp_make_env_patched} >$MAKE_OUTPUT 2>&1
|
|
|
|
echo "${green}INSTALLING PATCHED OBJECTS INTO $LPMAKE_PATCHED_DIR${reset}"
|
|
make $LPMAKEFILE $JOBS_MAKE install \
|
|
"$destdir=$LPMAKE_PATCHED_DIR" \
|
|
>$MAKE_OUTPUT 2>&1
|
|
-
|
|
- # recover LD_FLAGS
|
|
- recover_qemu_ld_flags "$qemu_ld_flags_bak"
|
|
}
|
|
|
|
build_kpatches() {
|
|
@@ -274,16 +243,10 @@ main() {
|
|
|
|
prepare_env
|
|
|
|
- # replace cc
|
|
- replace_cc_symbolink
|
|
-
|
|
if test -z "$only_update"; then
|
|
build_objects "$@"
|
|
fi
|
|
build_kpatches
|
|
-
|
|
- # recover cc
|
|
- recover_cc_symbolink
|
|
}
|
|
|
|
main "$@"
|
|
--
|
|
2.27.0
|
|
|