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add an extra test for afl-gcc and check for -B support

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hexcoder-
2020-12-12 11:21:13 +01:00
parent dbbbeea36e
commit 54f59c7403
2 changed files with 16 additions and 6 deletions
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18
GNUmakefile
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@ -510,15 +510,25 @@ code-format:
.PHONY: test_build .PHONY: test_build
ifndef AFL_NO_X86 ifndef AFL_NO_X86
test_build: afl-cc afl-as afl-showmap test_build: afl-cc afl-gcc afl-as afl-showmap
@echo "[*] Testing the CC wrapper and instrumentation output..." @echo "[*] Testing the CC wrapper afl-cc and its instrumentation output..."
@unset AFL_MAP_SIZE AFL_USE_UBSAN AFL_USE_CFISAN AFL_USE_ASAN AFL_USE_MSAN AFL_CC; AFL_INST_RATIO=100 AFL_PATH=. ./afl-cc test-instr.c -o test-instr 2>&1 || (echo "Oops, afl-cc failed"; exit 1 ) @unset AFL_MAP_SIZE AFL_USE_UBSAN AFL_USE_CFISAN AFL_USE_ASAN AFL_USE_MSAN AFL_CC; AFL_INST_RATIO=100 AFL_PATH=. ./afl-cc test-instr.c -o test-instr 2>&1 || (echo "Oops, afl-cc failed"; exit 1 )
ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null
echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr
@rm -f test-instr @rm -f test-instr
@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue."; echo; exit 1; fi @cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation of afl-cc does not seem to be behaving correctly!"; echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue."; echo; exit 1; fi
@echo @echo
@echo "[+] All right, the instrumentation seems to be working!" @echo "[+] All right, the instrumentation of afl-cc seems to be working!"
@echo "[*] Testing the CC wrapper afl-gcc and its instrumentation output..."
@unset AFL_MAP_SIZE AFL_USE_UBSAN AFL_USE_CFISAN AFL_USE_ASAN AFL_USE_MSAN AFL_CC; AFL_INST_RATIO=100 AFL_PATH=. ./afl-gcc test-instr.c -o test-instr 2>&1 || (echo "Oops, afl-gcc failed"; exit 1 )
ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null
echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr
@rm -f test-instr
@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation of afl-gcc does not seem to be behaving correctly!"; \
gcc -v 2>&1 | grep -q -- --with-as= && ( echo; echo "Gcc is configured not to use an external assembler with the -B option."; echo "See docs/INSTALL.md section 5 how to build a -B enabled gcc." ) || \
( echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue." ); echo; exit 1; fi
@echo
@echo "[+] All right, the instrumentation of afl-gcc seems to be working!"
else else
test_build: afl-cc afl-as afl-showmap test_build: afl-cc afl-as afl-showmap
@echo "[!] Note: skipping build tests (you may need to use LLVM or QEMU mode)." @echo "[!] Note: skipping build tests (you may need to use LLVM or QEMU mode)."

4
docs/INSTALL.md
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@ -4,7 +4,7 @@
issues for a variety of platforms. See README.md for the general instruction issues for a variety of platforms. See README.md for the general instruction
manual. manual.
## 1) Linux on x86 ## 1. Linux on x86
--------------- ---------------
This platform is expected to work well. Compile the program with: This platform is expected to work well. Compile the program with:
@ -34,7 +34,7 @@ You may have to change several settings to get optimal results (most notably,
disable crash reporting utilities and switch to a different CPU governor), but disable crash reporting utilities and switch to a different CPU governor), but
afl-fuzz will guide you through that if necessary. afl-fuzz will guide you through that if necessary.
## OpenBSD, FreeBSD, NetBSD on x86 ## 2. OpenBSD, FreeBSD, NetBSD on x86
Similarly to Linux, these platforms are expected to work well and are Similarly to Linux, these platforms are expected to work well and are
regularly tested. Compile everything with GNU make: regularly tested. Compile everything with GNU make: