Merge branch 'AFLplusplus:stable' into stable

12 files changed, 162 insertions, 63 deletions

diff --git a/test/test-all.sh b/test/test-all.sh
index 3cb692ca..65cfb812 100755
--- a/test/test-all.sh
+++ b/test/test-all.sh
@@ -16,6 +16,8 @@
 
 . ./test-frida-mode.sh
 
+. ./test-nyx-mode.sh
+
 . ./test-unicorn-mode.sh
 
 . ./test-custom-mutators.sh
diff --git a/test/test-basic.sh b/test/test-basic.sh
index 5bb2ca28..7005d3ce 100755
--- a/test/test-basic.sh
+++ b/test/test-basic.sh
@@ -2,6 +2,7 @@
 
 . ./test-pre.sh
 
+OS=$(uname -s)
 
 AFL_GCC=afl-gcc
 $ECHO "$BLUE[*] Testing: ${AFL_GCC}, afl-showmap, afl-fuzz, afl-cmin and afl-tmin"
@@ -28,7 +29,7 @@ test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc
     rm -f test-instr.plain.0 test-instr.plain.1
     SKIP=
     TUPLES=`echo 1|AFL_QUIET=1 ../afl-showmap -m ${MEM_LIMIT} -o /dev/null -- ./test-instr.plain 2>&1 | grep Captur | awk '{print$3}'`
-    test "$TUPLES" -gt 1 -a "$TUPLES" -lt 12 && {
+    test "$TUPLES" -gt 1 -a "$TUPLES" -lt 22 && {
       $ECHO "$GREEN[+] ${AFL_GCC} run reported $TUPLES instrumented locations which is fine"
     } || {
       $ECHO "$RED[!] ${AFL_GCC} instrumentation produces weird numbers: $TUPLES"
@@ -61,7 +62,7 @@ test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc
    }
    # now we want to be sure that afl-fuzz is working
    # make sure crash reporter is disabled on Mac OS X
-   (test "$(uname -s)" = "Darwin" && test $(launchctl list 2>/dev/null | grep -q '\.ReportCrash$') && {
+   (test "$OS" = "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'.$RESET"
     true
    }) || {
@@ -84,16 +85,20 @@ test "$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 ($CNT)"
-          CODE=1
-          ;;
-    esac
-    rm -f in2/in*
+    test "$OS" = "Darwin" && {
+      $ECHO "$GREY[*] afl-cmin not available on macOS, cannot test afl-cmin"
+    } || {
+      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 command -v bash >/dev/null ; then {
       ../afl-cmin.bash -m ${MEM_LIMIT} -i in -o in2 -- ./test-instr.plain >/dev/null
@@ -152,7 +157,7 @@ test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc
     }
     rm -f test-instr.plain.0 test-instr.plain.1
     TUPLES=`echo 1|AFL_QUIET=1 ../afl-showmap -m ${MEM_LIMIT} -o /dev/null -- ./test-instr.plain 2>&1 | grep Captur | awk '{print$3}'`
-    test "$TUPLES" -gt 1 -a "$TUPLES" -lt 12 && {
+    test "$TUPLES" -gt 1 -a "$TUPLES" -lt 22 && {
       $ECHO "$GREEN[+] ${AFL_CLANG} run reported $TUPLES instrumented locations which is fine"
     } || {
       $ECHO "$RED[!] ${AFL_CLANG} instrumentation produces weird numbers: $TUPLES"
@@ -182,7 +187,7 @@ test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc
    }
    # now we want to be sure that afl-fuzz is working
    # make sure crash reporter is disabled on Mac OS X
-   (test "$(uname -s)" = "Darwin" && test $(launchctl list 2>/dev/null | grep -q '\.ReportCrash$') && {
+   (test "$OS" = "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'.$RESET"
     true
    }) || {
@@ -204,25 +209,29 @@ test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc
       }
     }
     echo 000000000000000000000000 > in/in2
-    echo AAA > 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" ;;
-      \ *1|1)  { # allow leading whitecase for portability
-            test -s in2/* && $ECHO "$YELLOW[?] afl-cmin did minimize to one testcase. This can be a bug or due compiler optimization."
-            test -s in2/* || {
-		$ECHO "$RED[!] afl-cmin did not correctly minimize the number of testcases ($CNT)"
-          	CODE=1
+    echo AAA > in/in2
+    test "$OS" = "Darwin" && {
+      $ECHO "$GREY[*] afl-cmin not available on macOS, cannot test afl-cmin"
+    } || {
+      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" ;;
+        \ *1|1)  { # allow leading whitecase for portability
+              test -s in2/* && $ECHO "$YELLOW[?] afl-cmin did minimize to one testcase. This can be a bug or due compiler optimization."
+              test -s in2/* || {
+               $ECHO "$RED[!] afl-cmin did not correctly minimize the number of testcases ($CNT)"
+               CODE=1
+              }
             }
-          }
-          ;;
-      *)  $ECHO "$RED[!] afl-cmin did not correctly minimize the number of testcases ($CNT)"
-          CODE=1
-          ;;
-    esac
-    rm -f in2/in*
+            ;;
+        *)  $ECHO "$RED[!] afl-cmin did not correctly minimize the number of testcases ($CNT)"
+            CODE=1
+            ;;
+      esac
+      rm -f in2/in*
+    }
     export AFL_QUIET=1
     if command -v bash >/dev/null ; then {
       ../afl-cmin.bash -m ${MEM_LIMIT} -i in -o in2 -- ./test-instr.plain >/dev/null
diff --git a/test/test-cmplog.c b/test/test-cmplog.c
index bd1b73e3..0c91b21c 100644
--- a/test/test-cmplog.c
+++ b/test/test-cmplog.c
@@ -8,16 +8,11 @@
 
 int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t i) {
 
-  if (i < 30) return -1;
+  if (i < 15) return -1;
   if (buf[0] != 'A') return 0;
-  if (buf[1] != 'B') return 0;
-  if (buf[2] != 'C') return 0;
-  if (buf[3] != 'D') return 0;
-  int *icmp = (int *)(buf + 4);
+  int *icmp = (int *)(buf + 1);
   if (*icmp != 0x69694141) return 0;
-  if (memcmp(buf + 8, "1234", 4) || memcmp(buf + 12, "EFGH", 4)) return 0;
-  if (strncmp(buf + 16, "IJKL", 4) == 0 && strcmp(buf + 20, "DEADBEEF") == 0)
-    abort();
+  if (memcmp(buf + 5, "1234EF", 6) == 0) abort();
   return 0;
 
 }
diff --git a/test/test-compilers.sh b/test/test-compilers.sh
new file mode 100755
index 00000000..b47cf38d
--- /dev/null
+++ b/test/test-compilers.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+echo Testing compilers ...
+for cc in afl-cc afl-gcc afl-clang afl-clang-fast afl-clang-lto afl-gcc-fast; do
+  test -e ../$cc && { { ../$cc -o t ../test-instr.c >/dev/null 2<&1 && echo Success: $cc ; } || echo Failing: $cc ; } || echo Missing: $cc
+done
+rm -f t
+echo Done!
diff --git a/test/test-custom-mutators.sh b/test/test-custom-mutators.sh
index 49feedc0..8c8b0ad3 100755
--- a/test/test-custom-mutators.sh
+++ b/test/test-custom-mutators.sh
@@ -38,7 +38,7 @@ test -e test-custom-mutator.c -a -e ${CUSTOM_MUTATOR_PATH}/example.c -a -e ${CUS
     # Run afl-fuzz w/ the C mutator
     $ECHO "$GREY[*] running afl-fuzz for the C mutator, this will take approx 10 seconds"
     {
-      AFL_CUSTOM_MUTATOR_LIBRARY=./libexamplemutator.so AFL_CUSTOM_MUTATOR_ONLY=1 ../afl-fuzz -V07 -m ${MEM_LIMIT} -i in -o out -- ./test-custom-mutator >>errors 2>&1
+      AFL_CUSTOM_MUTATOR_LIBRARY=./libexamplemutator.so AFL_CUSTOM_MUTATOR_ONLY=1 ../afl-fuzz -V07 -m ${MEM_LIMIT} -i in -o out -d -- ./test-custom-mutator >>errors 2>&1
     } >>errors 2>&1
 
     # Check results
@@ -58,7 +58,7 @@ test -e test-custom-mutator.c -a -e ${CUSTOM_MUTATOR_PATH}/example.c -a -e ${CUS
     # Run afl-fuzz w/ multiple C mutators
     $ECHO "$GREY[*] running afl-fuzz with multiple custom C mutators, this will take approx 10 seconds"
     {
-      AFL_CUSTOM_MUTATOR_LIBRARY="./libexamplemutator.so;./libexamplemutator2.so" AFL_CUSTOM_MUTATOR_ONLY=1 ../afl-fuzz -V07 -m ${MEM_LIMIT} -i in -o out -- ./test-multiple-mutators >>errors 2>&1
+      AFL_CUSTOM_MUTATOR_LIBRARY="./libexamplemutator.so;./libexamplemutator2.so" AFL_CUSTOM_MUTATOR_ONLY=1 ../afl-fuzz -V07 -m ${MEM_LIMIT} -i in -o out -d -- ./test-multiple-mutators >>errors 2>&1
     } >>errors 2>&1
 
     test -n "$( ls out/default/crashes/id:000000* 2>/dev/null )" && {  # TODO: update here
diff --git a/test/test-frida-mode.sh b/test/test-frida-mode.sh
index 3ae84656..8c528da5 100755
--- a/test/test-frida-mode.sh
+++ b/test/test-frida-mode.sh
@@ -39,7 +39,7 @@ test -e ../afl-frida-trace.so && {
       test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc" -o "$SYS" = "aarch64" -o ! "${SYS%%arm*}" && {
         $ECHO "$GREY[*] running afl-fuzz for frida_mode cmplog, this will take approx 10 seconds"
         {
-          ../afl-fuzz -m none -V07 -O -c 0 -i in -o out -- ./test-compcov >>errors 2>&1
+          ../afl-fuzz -m none -V07 -O -c 0 -l 3 -i in -o out -- ./test-compcov >>errors 2>&1
         } >>errors 2>&1
         test -n "$( ls out/default/queue/id:000003* 2>/dev/null )" && {
           $ECHO "$GREEN[+] afl-fuzz is working correctly with frida_mode cmplog"
diff --git a/test/test-libextensions.sh b/test/test-libextensions.sh
index 40a898c8..f7f86de5 100755
--- a/test/test-libextensions.sh
+++ b/test/test-libextensions.sh
@@ -5,7 +5,7 @@
 test -z "$AFL_CC" && unset AFL_CC
 
 $ECHO "$BLUE[*] Testing: shared library extensions"
-cc $CFLAGS -o test-compcov test-compcov.c > /dev/null 2>&1
+cc $CFLAGS -O0 -o test-compcov test-compcov.c > /dev/null 2>&1
 test -e ../libtokencap.so && {
   AFL_TOKEN_FILE=token.out LD_PRELOAD=../libtokencap.so DYLD_INSERT_LIBRARIES=../libtokencap.so DYLD_FORCE_FLAT_NAMESPACE=1 ./test-compcov foobar > /dev/null 2>&1
   grep -q BUGMENOT token.out > /dev/null 2>&1 && {
diff --git a/test/test-llvm.sh b/test/test-llvm.sh
index 714bda93..4dd35e6e 100755
--- a/test/test-llvm.sh
+++ b/test/test-llvm.sh
@@ -2,6 +2,8 @@
 
 . ./test-pre.sh
 
+OS=$(uname -s)
+
 $ECHO "$BLUE[*] Testing: llvm_mode, afl-showmap, afl-fuzz, afl-cmin and afl-tmin"
 test -e ../afl-clang-fast -a -e ../split-switches-pass.so && {
   ../afl-clang-fast -o test-instr.plain ../test-instr.c > /dev/null 2>&1
@@ -60,7 +62,7 @@ test -e ../afl-clang-fast -a -e ../split-switches-pass.so && {
       $ECHO "$RED[!] llvm_mode threadsafe instrumentation failed"
       CODE=1
     }
-    rm -f test-instr.ts.0 test-instr.ts.1
+    rm -f test-instr.ts.0 test-instr.ts.1 test-instr.ts
   } || {
     $ECHO "$RED[!] llvm_mode (threadsafe) failed"
     CODE=1
@@ -123,7 +125,7 @@ test -e ../afl-clang-fast -a -e ../split-switches-pass.so && {
   }
   # now we want to be sure that afl-fuzz is working
   # make sure crash reporter is disabled on Mac OS X
-  (test "$(uname -s)" = "Darwin" && test $(launchctl list 2>/dev/null | grep -q '\.ReportCrash$') && {
+  (test "$OS" = "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'.$RESET"
     CODE=1
     true
@@ -146,18 +148,22 @@ test -e ../afl-clang-fast -a -e ../split-switches-pass.so && {
       }
     }
     test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc" || {
+      mkdir -p in2
       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 ($CNT)"
-            CODE=1
-            ;;
-      esac
-      rm -f in2/in*
+      test "$OS" = "Darwin" && {
+        $ECHO "$GREY[*] afl-cmin not available on macOS, cannot test afl-cmin"
+      } || {
+        ../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 ${MEM_LIMIT} -i in -o in2 -- ./test-instr.plain >/dev/null
@@ -191,7 +197,8 @@ test -e ../afl-clang-fast -a -e ../split-switches-pass.so && {
     for I in char short int long "long long"; do
       for BITS in 8 16 32 64; do
         bin="$testcase-split-$I-$BITS.compcov" 
-        AFL_LLVM_INSTRUMENT=AFL AFL_DEBUG=1 AFL_LLVM_LAF_SPLIT_COMPARES_BITW=$BITS AFL_LLVM_LAF_SPLIT_COMPARES=1 ../afl-clang-fast -fsigned-char -DINT_TYPE="$I" -o "$bin" "$testcase" > test.out 2>&1;
+        #AFL_LLVM_INSTRUMENT=AFL 
+        AFL_DEBUG=1 AFL_LLVM_LAF_SPLIT_COMPARES_BITW=$BITS AFL_LLVM_LAF_SPLIT_COMPARES=1 ../afl-clang-fast -fsigned-char -DINT_TYPE="$I" -o "$bin" "$testcase" > test.out 2>&1;
         if ! test -e "$bin"; then
             cat test.out
             $ECHO "$RED[!] llvm_mode laf-intel/compcov integer splitting failed! ($testcase with type $I split to $BITS)!";
@@ -257,13 +264,12 @@ test -e ../afl-clang-fast -a -e ../split-switches-pass.so && {
   }
   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
-  ../afl-clang-fast -o test-c 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 00000000000000000000000000000000 > in/in
-      AFL_BENCH_UNTIL_CRASH=1 ../afl-fuzz -m none -V30 -i in -o out -c./test-cmplog -- ./test-c >>errors 2>&1
+      AFL_BENCH_UNTIL_CRASH=1 ../afl-fuzz -Z -l 3 -m none -V30 -i in -o out -c 0 -- ./test-cmplog >>errors 2>&1
     } >>errors 2>&1
     test -n "$( ls out/default/crashes/id:000000* out/default/hangs/id:000000* 2>/dev/null )" && {
       $ECHO "$GREEN[+] afl-fuzz is working correctly with llvm_mode cmplog"
@@ -278,7 +284,7 @@ test -e ../afl-clang-fast -a -e ../split-switches-pass.so && {
     $ECHO "$YELLOW[-] we cannot test llvm_mode cmplog because it is not present"
     INCOMPLETE=1
   }
-  rm -rf errors test-cmplog test-c in core.*
+  rm -rf errors test-cmplog in core.*
   ../afl-clang-fast -o test-persistent ../utils/persistent_mode/persistent_demo.c > /dev/null 2>&1
   test -e test-persistent && {
     echo foo | AFL_QUIET=1 ../afl-showmap -m ${MEM_LIMIT} -o /dev/null -q -r ./test-persistent && {
diff --git a/test/test-nyx-mode.sh b/test/test-nyx-mode.sh
new file mode 100755
index 00000000..6de63f1b
--- /dev/null
+++ b/test/test-nyx-mode.sh
@@ -0,0 +1,79 @@
+#!/bin/sh
+
+. ./test-pre.sh
+
+$ECHO "$BLUE[*] Testing: nyx_mode"
+
+test "$CI" = "true" && {
+  $ECHO "$YELLOW[-] nyx_mode cannot be tested in the Github CI, skipping ..."
+  exit 0
+}
+
+unset AFL_CC
+
+test -e ../libnyx.so && {
+  ../afl-cc -o test-instr ../test-instr.c > errors 2>&1
+  test -e test-instr && {
+    {
+      rm -rf nyx-test in out
+      $ECHO "$GREY[*] running nyx_packer"
+      python3 ../nyx_mode/packer/packer/nyx_packer.py \
+        ./test-instr \
+        nyx-test \
+        afl \
+        instrumentation \
+        --fast_reload_mode \
+        --purge > /dev/null 2>&1
+
+      test -e nyx-test/test-instr && {
+
+        $ECHO "$GREY[*] running nyx_config_gen"
+        python3 ../nyx_mode/packer/packer/nyx_config_gen.py nyx-test Kernel > /dev/null 2>&1
+        
+        test -e nyx-test/config.ron && {
+          sudo modprobe -r kvm-intel
+          sudo modprobe -r kvm
+          sudo modprobe  kvm enable_vmware_backdoor=y
+          sudo modprobe  kvm-intel
+          #cat /sys/module/kvm/parameters/enable_vmware_backdoor 
+
+          mkdir -p in
+          echo 00000 > in/in
+          $ECHO "$GREY[*] running afl-fuzz for nyx_mode, this will take approx 10 seconds"
+          {
+            AFL_DEBUG=1 ../afl-fuzz -i in -o out -V05 -X -- ./nyx-test >>errors 2>&1
+          } >>errors 2>&1
+          test -n "$( ls out/default/queue/id:000002* 2>/dev/null )" && {
+            $ECHO "$GREEN[+] afl-fuzz is working correctly with nyx_mode"
+            RUNTIME=`grep execs_done out/default/fuzzer_stats | awk '{print$3}'`
+            rm -rf errors nyx-test test-instr in out
+          } || {
+            echo CUT------------------------------------------------------------------CUT
+            cat errors
+            echo CUT------------------------------------------------------------------CUT
+            $ECHO "$RED[!] afl-fuzz is not working correctly with nyx_mode"
+            CODE=1
+          }
+        } || {
+          $ECHO "$RED[!] nyx_packer failed, likely install requirements not met."
+          CODE=1
+        }
+      } || {
+       $ECHO "$RED[!] nyx_packer failed, likely install requirements not met."
+       CODE=1
+      }
+      #rm -rf test-instr in out errors nyx-test
+    }
+  } || {
+    echo CUT------------------------------------------------------------------CUT
+    cat errors
+    echo CUT------------------------------------------------------------------CUT
+    $ECHO "$RED[!] afl-cc compilation of test targets failed - what is going on??"
+    CODE=1
+  }
+} || {
+  $ECHO "$YELLOW[-] nyx_mode is not compiled, cannot test"
+  INCOMPLETE=1
+}
+
+. ./test-post.sh
diff --git a/test/test-pre.sh b/test/test-pre.sh
index 1ca9dfb5..ce996415 100755
--- a/test/test-pre.sh
+++ b/test/test-pre.sh
@@ -20,7 +20,7 @@ echo foobar | grep -qE 'asd|oob' 2>/dev/null || { echo Error: grep command does
 test -e ./test-all.sh || cd $(dirname $0) || exit 1
 test -e ./test-all.sh || { echo Error: you must be in the test/ directory ; exit 1 ; }
 export AFL_PATH=`pwd`/..
-export AFL_NO_AFFINITY=1 # workaround for travis that fails for no avail cores 
+export AFL_TRY_AFFINITY=1 # workaround for travis that fails for no avail cores
 
 echo 1 > test.1
 echo 1 > test.2
diff --git a/test/test-qemu-mode.sh b/test/test-qemu-mode.sh
index 9e268963..2ba81d02 100755
--- a/test/test-qemu-mode.sh
+++ b/test/test-qemu-mode.sh
@@ -63,7 +63,7 @@ test -e ../afl-qemu-trace && {
           {
             export AFL_PRELOAD=../libcompcov.so
             export AFL_COMPCOV_LEVEL=2
-            ../afl-fuzz -m ${MEM_LIMIT} -V07 -Q -i in -o out -- ./test-compcov >>errors 2>&1
+            AFL_NO_UI=1 ../afl-fuzz -V07 -Q -i in -o out -- ./test-compcov 2>&1
             unset AFL_PRELOAD
             unset AFL_COMPCOV_LEVEL
           } >>errors 2>&1
@@ -88,7 +88,7 @@ test -e ../afl-qemu-trace && {
       test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc" -o "$SYS" = "aarch64" -o ! "${SYS%%arm*}" && {
         $ECHO "$GREY[*] running afl-fuzz for qemu_mode cmplog, this will take approx 10 seconds"
         {
-          ../afl-fuzz -m none -V07 -Q -c 0 -i in -o out -- ./test-compcov >>errors 2>&1
+          ../afl-fuzz -V07 -Q -c 0 -l 3 -i in -o out -- ./test-compcov >>errors 2>&1
         } >>errors 2>&1
         test -n "$( ls out/default/queue/id:000001* 2>/dev/null )" && {
           $ECHO "$GREEN[+] afl-fuzz is working correctly with qemu_mode cmplog"
diff --git a/test/unittests/unit_rand.c b/test/unittests/unit_rand.c
index 1ad02a80..f89b2ab5 100644
--- a/test/unittests/unit_rand.c
+++ b/test/unittests/unit_rand.c
@@ -67,6 +67,7 @@ static void test_rand_below(void **state) {
     rand_set_seed(&afl, 1337);
 
     afl.fsrv.dev_urandom_fd = open("/dev/urandom", O_RDONLY);
+    if (afl.fsrv.dev_urandom_fd < 0) { PFATAL("Unable to open /dev/urandom"); }
 
     assert(!(rand_below(&afl, 9000) > 9000));
     assert_int_equal(rand_below(&afl, 1), 0);