From: Yann Collet <cyan@fb.com>
Date: Fri, 19 Feb 2021 18:42:05 +0000 (-0800)
Subject: fix ubsan test errors
X-Git-Tag: v1.4.9^2~9^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b0772177c51a8296467e9b57a8fcdf4f38f4909;p=thirdparty%2Fzstd.git

fix ubsan test errors

allows recovering from pointer overflow
---

diff --git a/.github/workflows/generic-dev.yml b/.github/workflows/generic-dev.yml
index 1632101c7..8d9fd839a 100644
--- a/.github/workflows/generic-dev.yml
+++ b/.github/workflows/generic-dev.yml
@@ -81,7 +81,7 @@ jobs:
         make libc6install
         CFLAGS="-Werror -m32" make -j all32
         make clean
-        make -j uasan-test-zstd32
+        make -j uasan-test-zstd32 V=1
 
   clang-msan-testzstd:
     runs-on: ubuntu-latest
diff --git a/Makefile b/Makefile
index 9f94baaa1..d2bc63027 100644
--- a/Makefile
+++ b/Makefile
@@ -309,10 +309,10 @@ asan32: clean
 	$(MAKE) -C $(TESTDIR) test32 CC=clang MOREFLAGS="-g -fsanitize=address"
 
 uasan: clean
-	$(MAKE) test CC=clang MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize=address,undefined -Werror"
+	$(MAKE) test CC=clang MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize-recover=pointer-overflow -fsanitize=address,undefined -Werror"
 
 uasan-%: clean
-	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize=address,undefined -Werror" $(MAKE) -C $(TESTDIR) $*
+	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize-recover=signed-integer-overflow -fsanitize-recover=pointer-overflow -fsanitize=address,undefined -Werror" $(MAKE) -C $(TESTDIR) $*
 
 tsan-%: clean
 	LDFLAGS=-fuse-ld=gold MOREFLAGS="-g -fno-sanitize-recover=all -fsanitize=thread -Werror" $(MAKE) -C $(TESTDIR) $* FUZZER_FLAGS=--no-big-tests