diff options
Diffstat (limited to 'test/test-llvm.sh')
| -rwxr-xr-x | test/test-llvm.sh | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/test/test-llvm.sh b/test/test-llvm.sh new file mode 100755 index 00000000..feeb3992 --- /dev/null +++ b/test/test-llvm.sh @@ -0,0 +1,230 @@ +#!/bin/sh + +. ./test-pre.sh + +$ECHO "$BLUE[*] Testing: llvm_mode, afl-showmap, afl-fuzz, afl-cmin and afl-tmin" +test -e ../afl-clang-fast -a -e ../split-switches-pass.so && { + # on FreeBSD need to set AFL_CC + test `uname -s` = 'FreeBSD' && { + if type clang >/dev/null; then + export AFL_CC=`command -v clang` + else + export AFL_CC=`$LLVM_CONFIG --bindir`/clang + fi + } + ../afl-clang-fast -o test-instr.plain ../test-instr.c > /dev/null 2>&1 + AFL_HARDEN=1 ../afl-clang-fast -o test-compcov.harden test-compcov.c > /dev/null 2>&1 + test -e test-instr.plain && { + $ECHO "$GREEN[+] llvm_mode compilation succeeded" + echo 0 | ../afl-showmap -m ${MEM_LIMIT} -o test-instr.plain.0 -r -- ./test-instr.plain > /dev/null 2>&1 + ../afl-showmap -m ${MEM_LIMIT} -o test-instr.plain.1 -r -- ./test-instr.plain < /dev/null > /dev/null 2>&1 + test -e test-instr.plain.0 -a -e test-instr.plain.1 && { + diff test-instr.plain.0 test-instr.plain.1 > /dev/null 2>&1 && { + $ECHO "$RED[!] llvm_mode instrumentation should be different on different input but is not" + CODE=1 + } || { + $ECHO "$GREEN[+] llvm_mode instrumentation present and working correctly" + TUPLES=`echo 0|../afl-showmap -m ${MEM_LIMIT} -o /dev/null -- ./test-instr.plain 2>&1 | grep Captur | awk '{print$3}'` + test "$TUPLES" -gt 3 -a "$TUPLES" -lt 8 && { + $ECHO "$GREEN[+] llvm_mode run reported $TUPLES instrumented locations which is fine" + } || { + $ECHO "$RED[!] llvm_mode instrumentation produces weird numbers: $TUPLES" + CODE=1 + } + } + } || { + $ECHO "$RED[!] llvm_mode instrumentation failed" + CODE=1 + } + rm -f test-instr.plain.0 test-instr.plain.1 + } || { + $ECHO "$RED[!] llvm_mode failed" + CODE=1 + } + test -e test-compcov.harden && test_compcov_binary_functionality ./test-compcov.harden && { + grep -Eq$GREPAOPTION 'stack_chk_fail|fstack-protector-all|fortified' test-compcov.harden > /dev/null 2>&1 && { + $ECHO "$GREEN[+] llvm_mode hardened mode succeeded and is working" + } || { + $ECHO "$RED[!] llvm_mode hardened mode is not hardened" + CODE=1 + } + rm -f test-compcov.harden + } || { + $ECHO "$RED[!] llvm_mode hardened mode compilation failed" + CODE=1 + } + # now we want to be sure that afl-fuzz is working + (test "$(uname -s)" = "Linux" && test "$(sysctl kernel.core_pattern)" != "kernel.core_pattern = core" && { + $ECHO "$YELLOW[-] we should not run afl-fuzz with enabled core dumps. Run 'sudo sh afl-system-config'.$RESET" + true + }) || + # make sure crash reporter is disabled on Mac OS X + (test "$(uname -s)" = "Darwin" && test $(launchctl list 2>/dev/null | grep -q '\.ReportCrash$') && { + $ECHO "$RED[!] we cannot run afl-fuzz with enabled crash reporter. Run 'sudo sh afl-system-config'.$RESET" + CODE=1 + true + }) || { + mkdir -p in + echo 0 > in/in + $ECHO "$GREY[*] running afl-fuzz for llvm_mode, this will take approx 10 seconds" + { + ../afl-fuzz -V10 -m ${MEM_LIMIT} -i in -o out -- ./test-instr.plain >>errors 2>&1 + } >>errors 2>&1 + test -n "$( ls out/queue/id:000002* 2>/dev/null )" && { + $ECHO "$GREEN[+] afl-fuzz is working correctly with llvm_mode" + } || { + echo CUT------------------------------------------------------------------CUT + cat errors + echo CUT------------------------------------------------------------------CUT + $ECHO "$RED[!] afl-fuzz is not working correctly with llvm_mode" + CODE=1 + } + test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc" || { + echo 000000000000000000000000 > in/in2 + echo 111 > in/in3 + mkdir -p in2 + ../afl-cmin -m ${MEM_LIMIT} -i in -o in2 -- ./test-instr.plain >/dev/null 2>&1 # why is afl-forkserver writing to stderr? + CNT=`ls in2/* 2>/dev/null | wc -l` + case "$CNT" in + *2) $ECHO "$GREEN[+] afl-cmin correctly minimized the number of testcases" ;; + *) $ECHO "$RED[!] afl-cmin did not correctly minimize the number of testcases ($CNT)" + CODE=1 + ;; + esac + rm -f in2/in* + export AFL_QUIET=1 + if type bash >/dev/null ; then { + ../afl-cmin.bash -m ${MEM_LIMIT} -i in -o in2 -- ./test-instr.plain >/dev/null + CNT=`ls in2/* 2>/dev/null | wc -l` + case "$CNT" in + *2) $ECHO "$GREEN[+] afl-cmin.bash correctly minimized the number of testcases" ;; + *) $ECHO "$RED[!] afl-cmin.bash did not correctly minimize the number of testcases ($CNT)" + CODE=1 + ;; + esac + } else { + $ECHO "$YELLOW[-] no bash available, cannot test afl-cmin.bash" + INCOMPLETE=1 + } + fi + ../afl-tmin -m ${MEM_LIMIT} -i in/in2 -o in2/in2 -- ./test-instr.plain > /dev/null 2>&1 + SIZE=`ls -l in2/in2 2>/dev/null | awk '{print$5}'` + test "$SIZE" = 1 && $ECHO "$GREEN[+] afl-tmin correctly minimized the testcase" + test "$SIZE" = 1 || { + $ECHO "$RED[!] afl-tmin did incorrectly minimize the testcase to $SIZE" + CODE=1 + } + rm -rf in2 + } + rm -rf in out errors + } + rm -f test-instr.plain + + # now for the special llvm_mode things + test -e ../libLLVMInsTrim.so && { + AFL_LLVM_INSTRUMENT=CFG AFL_LLVM_INSTRIM_LOOPHEAD=1 ../afl-clang-fast -o test-instr.instrim ../test-instr.c > /dev/null 2>test.out + test -e test-instr.instrim && { + TUPLES=`echo 0|../afl-showmap -m ${MEM_LIMIT} -o /dev/null -- ./test-instr.instrim 2>&1 | grep Captur | awk '{print$3}'` + test "$TUPLES" -gt 2 -a "$TUPLES" -lt 5 && { + $ECHO "$GREEN[+] llvm_mode InsTrim reported $TUPLES instrumented locations which is fine" + } || { + $ECHO "$RED[!] llvm_mode InsTrim instrumentation produces weird numbers: $TUPLES" + CODE=1 + } + rm -f test-instr.instrim test.out + } || { + $ECHO "$RED[!] llvm_mode InsTrim compilation failed" + CODE=1 + } + } || { + $ECHO "$YELLOW[-] llvm_mode InsTrim not compiled, cannot test" + INCOMPLETE=1 + } + AFL_LLVM_INSTRUMENT=AFL AFL_DEBUG=1 AFL_LLVM_LAF_SPLIT_SWITCHES=1 AFL_LLVM_LAF_TRANSFORM_COMPARES=1 AFL_LLVM_LAF_SPLIT_COMPARES=1 ../afl-clang-fast -o test-compcov.compcov test-compcov.c > test.out 2>&1 + test -e test-compcov.compcov && test_compcov_binary_functionality ./test-compcov.compcov && { + grep --binary-files=text -Eq " [ 123][0-9][0-9] location| [3-9][0-9] location" test.out && { + $ECHO "$GREEN[+] llvm_mode laf-intel/compcov feature works correctly" + } || { + $ECHO "$RED[!] llvm_mode laf-intel/compcov feature failed" + CODE=1 + } + } || { + $ECHO "$RED[!] llvm_mode laf-intel/compcov feature compilation failed" + CODE=1 + } + rm -f test-compcov.compcov test.out + AFL_LLVM_INSTRUMENT=AFL AFL_LLVM_LAF_SPLIT_FLOATS=1 ../afl-clang-fast -o test-floatingpoint test-floatingpoint.c >errors 2>&1 + test -e test-floatingpoint && { + mkdir -p in + echo ZZZZ > in/in + $ECHO "$GREY[*] running afl-fuzz with floating point splitting, this will take max. 30 seconds" + { + AFL_BENCH_UNTIL_CRASH=1 AFL_NO_UI=1 ../afl-fuzz -s 1 -V30 -m ${MEM_LIMIT} -i in -o out -- ./test-floatingpoint >>errors 2>&1 + } >>errors 2>&1 + test -n "$( ls out/crashes/id:* 2>/dev/null )" && { + $ECHO "$GREEN[+] llvm_mode laf-intel floatingpoint splitting feature works correctly" + } || { + cat errors + $ECHO "$RED[!] llvm_mode laf-intel floatingpoint splitting feature failed" + CODE=1 + } + } || { + $ECHO "$RED[!] llvm_mode laf-intel floatingpoint splitting feature compilation failed" + CODE=1 + } + rm -f test-floatingpoint test.out in/in errors core.* + echo foobar.c > instrumentlist.txt + AFL_DEBUG=1 AFL_LLVM_INSTRUMENT_FILE=instrumentlist.txt ../afl-clang-fast -o test-compcov test-compcov.c > test.out 2>&1 + test -e test-compcov && test_compcov_binary_functionality ./test-compcov && { + grep -q "No instrumentation targets found" test.out && { + $ECHO "$GREEN[+] llvm_mode instrumentlist feature works correctly" + } || { + $ECHO "$RED[!] llvm_mode instrumentlist feature failed" + CODE=1 + } + } || { + $ECHO "$RED[!] llvm_mode instrumentlist feature compilation failed" + CODE=1 + } + rm -f test-compcov test.out instrumentlist.txt + AFL_LLVM_CMPLOG=1 ../afl-clang-fast -o test-cmplog test-cmplog.c > /dev/null 2>&1 + test -e test-cmplog && { + $ECHO "$GREY[*] running afl-fuzz for llvm_mode cmplog, this will take approx 10 seconds" + { + mkdir -p in + echo 0000000000000000000000000 > in/in + AFL_BENCH_UNTIL_CRASH=1 ../afl-fuzz -m none -V60 -i in -o out -c./test-cmplog -- ./test-cmplog >>errors 2>&1 + } >>errors 2>&1 + test -n "$( ls out/crashes/id:000000* out/hangs/id:000000* 2>/dev/null )" & { + $ECHO "$GREEN[+] afl-fuzz is working correctly with llvm_mode cmplog" + } || { + echo CUT------------------------------------------------------------------CUT + cat errors + echo CUT------------------------------------------------------------------CUT + $ECHO "$RED[!] afl-fuzz is not working correctly with llvm_mode cmplog" + CODE=1 + } + } || { + $ECHO "$YELLOW[-] we cannot test llvm_mode cmplog because it is not present" + INCOMPLETE=1 + } + rm -rf errors test-cmplog in core.* + ../afl-clang-fast -o test-persistent ../examples/persistent_demo/persistent_demo.c > /dev/null 2>&1 + test -e test-persistent && { + echo foo | ../afl-showmap -m ${MEM_LIMIT} -o /dev/null -q -r ./test-persistent && { + $ECHO "$GREEN[+] llvm_mode persistent mode feature works correctly" + } || { + $ECHO "$RED[!] llvm_mode persistent mode feature failed to work" + CODE=1 + } + } || { + $ECHO "$RED[!] llvm_mode persistent mode feature compilation failed" + CODE=1 + } + rm -f test-persistent +} || { + $ECHO "$YELLOW[-] llvm_mode not compiled, cannot test" + INCOMPLETE=1 +} + +. ./test-post.sh |