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-rwxr-xr-xqemu_mode/build_qemu_support.sh2
-rw-r--r--qemu_mode/patches/afl-qemu-cpu-inl.h12
-rw-r--r--qemu_mode/patches/afl-qemu-cpu-translate-inl.h5
-rw-r--r--qemu_mode/patches/afl-qemu-tcg-runtime-inl.h27
-rw-r--r--qemu_mode/patches/tcg-runtime-head.diff3
-rw-r--r--qemu_mode/unsigaction/GNUmakefile34
6 files changed, 44 insertions, 39 deletions
diff --git a/qemu_mode/build_qemu_support.sh b/qemu_mode/build_qemu_support.sh
index 118f6ebd..b34a149b 100755
--- a/qemu_mode/build_qemu_support.sh
+++ b/qemu_mode/build_qemu_support.sh
@@ -233,7 +233,9 @@ if [ "$ORIG_CPU_TARGET" = "" ]; then
   gcc test-instr.c -o test-instr || exit 1
 
   unset AFL_INST_RATIO
+  export ASAN_OPTIONS=detect_leaks=0
 
+  echo "[*] Comparing two afl-showmap -Q outputs..."
   echo 0 | ./afl-showmap -m none -Q -q -o .test-instr0 ./test-instr || exit 1
   echo 1 | ./afl-showmap -m none -Q -q -o .test-instr1 ./test-instr || exit 1
 
diff --git a/qemu_mode/patches/afl-qemu-cpu-inl.h b/qemu_mode/patches/afl-qemu-cpu-inl.h
index 3bd107d7..06243141 100644
--- a/qemu_mode/patches/afl-qemu-cpu-inl.h
+++ b/qemu_mode/patches/afl-qemu-cpu-inl.h
@@ -293,7 +293,8 @@ static void print_mappings(void) {
 
 void afl_forkserver(CPUState *cpu) {
 
-  static unsigned char tmp[4];
+  u32           map_size = 0;
+  unsigned char tmp[4] = {0};
 
   if (forkserver_installed == 1) return;
   forkserver_installed = 1;
@@ -306,6 +307,15 @@ void afl_forkserver(CPUState *cpu) {
   int   t_fd[2];
   u8    child_stopped = 0;
 
+  // if in the future qemu has non-collding coverage then switch MAP_SIZE
+  // with the max ID value
+  if (MAP_SIZE <= 0x800000) {
+
+    map_size = (FS_OPT_ENABLED | FS_OPT_MAPSIZE | FS_OPT_SET_MAPSIZE(MAP_SIZE));
+    memcpy(tmp, &map_size, 4);
+
+  }
+
   /* Tell the parent that we're alive. If the parent doesn't want
      to talk, assume that we're not running in forkserver mode. */
 
diff --git a/qemu_mode/patches/afl-qemu-cpu-translate-inl.h b/qemu_mode/patches/afl-qemu-cpu-translate-inl.h
index 72353967..1abec477 100644
--- a/qemu_mode/patches/afl-qemu-cpu-translate-inl.h
+++ b/qemu_mode/patches/afl-qemu-cpu-translate-inl.h
@@ -53,11 +53,12 @@ static void afl_gen_compcov(target_ulong cur_loc, TCGv arg1, TCGv arg2,
 
     TCGv cur_loc_v = tcg_const_tl(cur_loc);
 
-    switch (ot) {
+    switch (ot & MO_SIZE) {
 
       case MO_64: gen_helper_afl_cmplog_64(cur_loc_v, arg1, arg2); break;
       case MO_32: gen_helper_afl_cmplog_32(cur_loc_v, arg1, arg2); break;
       case MO_16: gen_helper_afl_cmplog_16(cur_loc_v, arg1, arg2); break;
+      case MO_8: gen_helper_afl_cmplog_8(cur_loc_v, arg1, arg2); break;
       default: break;
 
     }
@@ -75,7 +76,7 @@ static void afl_gen_compcov(target_ulong cur_loc, TCGv arg1, TCGv arg2,
 
     if (cur_loc >= afl_inst_rms) return;
 
-    switch (ot) {
+    switch (ot & MO_SIZE) {
 
       case MO_64: gen_helper_afl_compcov_64(cur_loc_v, arg1, arg2); break;
       case MO_32: gen_helper_afl_compcov_32(cur_loc_v, arg1, arg2); break;
diff --git a/qemu_mode/patches/afl-qemu-tcg-runtime-inl.h b/qemu_mode/patches/afl-qemu-tcg-runtime-inl.h
index 1526f09c..a0246198 100644
--- a/qemu_mode/patches/afl-qemu-tcg-runtime-inl.h
+++ b/qemu_mode/patches/afl-qemu-tcg-runtime-inl.h
@@ -107,18 +107,39 @@ void HELPER(afl_compcov_64)(target_ulong cur_loc, target_ulong arg1,
 
 }
 
+void HELPER(afl_cmplog_8)(target_ulong cur_loc, target_ulong arg1,
+                          target_ulong arg2) {
+
+  register uintptr_t k = (uintptr_t)cur_loc;
+
+  __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+
+  u32 hits = __afl_cmp_map->headers[k].hits;
+  __afl_cmp_map->headers[k].hits = hits + 1;
+  // if (!__afl_cmp_map->headers[k].cnt)
+  //  __afl_cmp_map->headers[k].cnt = __afl_cmp_counter++;
+
+  __afl_cmp_map->headers[k].shape = 0;
+
+  hits &= CMP_MAP_H - 1;
+  __afl_cmp_map->log[k][hits].v0 = arg1;
+  __afl_cmp_map->log[k][hits].v1 = arg2;
+
+}
+
 void HELPER(afl_cmplog_16)(target_ulong cur_loc, target_ulong arg1,
                            target_ulong arg2) {
 
   register uintptr_t k = (uintptr_t)cur_loc;
 
+  __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+
   u32 hits = __afl_cmp_map->headers[k].hits;
   __afl_cmp_map->headers[k].hits = hits + 1;
   // if (!__afl_cmp_map->headers[k].cnt)
   //  __afl_cmp_map->headers[k].cnt = __afl_cmp_counter++;
 
   __afl_cmp_map->headers[k].shape = 1;
-  //__afl_cmp_map->headers[k].type = CMP_TYPE_INS;
 
   hits &= CMP_MAP_H - 1;
   __afl_cmp_map->log[k][hits].v0 = arg1;
@@ -131,6 +152,8 @@ void HELPER(afl_cmplog_32)(target_ulong cur_loc, target_ulong arg1,
 
   register uintptr_t k = (uintptr_t)cur_loc;
 
+  __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+
   u32 hits = __afl_cmp_map->headers[k].hits;
   __afl_cmp_map->headers[k].hits = hits + 1;
 
@@ -147,6 +170,8 @@ void HELPER(afl_cmplog_64)(target_ulong cur_loc, target_ulong arg1,
 
   register uintptr_t k = (uintptr_t)cur_loc;
 
+  __afl_cmp_map->headers[k].type = CMP_TYPE_INS;
+
   u32 hits = __afl_cmp_map->headers[k].hits;
   __afl_cmp_map->headers[k].hits = hits + 1;
 
diff --git a/qemu_mode/patches/tcg-runtime-head.diff b/qemu_mode/patches/tcg-runtime-head.diff
index 626c67ef..f250686e 100644
--- a/qemu_mode/patches/tcg-runtime-head.diff
+++ b/qemu_mode/patches/tcg-runtime-head.diff
@@ -2,7 +2,7 @@ diff --git a/accel/tcg/tcg-runtime.h b/accel/tcg/tcg-runtime.h
 index 1bd39d13..81ef3973 100644
 --- a/accel/tcg/tcg-runtime.h
 +++ b/accel/tcg/tcg-runtime.h
-@@ -260,3 +260,13 @@ DEF_HELPER_FLAGS_4(gvec_leu8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+@@ -260,3 +260,14 @@ DEF_HELPER_FLAGS_4(gvec_leu8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
  DEF_HELPER_FLAGS_4(gvec_leu16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
  DEF_HELPER_FLAGS_4(gvec_leu32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
  DEF_HELPER_FLAGS_4(gvec_leu64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
@@ -12,6 +12,7 @@ index 1bd39d13..81ef3973 100644
 +DEF_HELPER_FLAGS_3(afl_compcov_16, TCG_CALL_NO_RWG, void, tl, tl, tl)
 +DEF_HELPER_FLAGS_3(afl_compcov_32, TCG_CALL_NO_RWG, void, tl, tl, tl)
 +DEF_HELPER_FLAGS_3(afl_compcov_64, TCG_CALL_NO_RWG, void, tl, tl, tl)
++DEF_HELPER_FLAGS_3(afl_cmplog_8, TCG_CALL_NO_RWG, void, tl, tl, tl)
 +DEF_HELPER_FLAGS_3(afl_cmplog_16, TCG_CALL_NO_RWG, void, tl, tl, tl)
 +DEF_HELPER_FLAGS_3(afl_cmplog_32, TCG_CALL_NO_RWG, void, tl, tl, tl)
 +DEF_HELPER_FLAGS_3(afl_cmplog_64, TCG_CALL_NO_RWG, void, tl, tl, tl)
diff --git a/qemu_mode/unsigaction/GNUmakefile b/qemu_mode/unsigaction/GNUmakefile
deleted file mode 100644
index 31fa8c55..00000000
--- a/qemu_mode/unsigaction/GNUmakefile
+++ /dev/null
@@ -1,34 +0,0 @@
-#
-# american fuzzy lop++ - unsigaction
-# --------------------------------
-#
-# Written by Andrea Fioraldi <andreafioraldi@gmail.com>
-#
-# Copyright 2019-2020 Andrea Fioraldi. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at:
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-
-ifndef AFL_NO_X86
-
-all: lib_i386 lib_amd64
-
-lib_i386:
-	@$(CC) -m32 -fPIC -shared unsigaction.c -o unsigaction32.so 2>/dev/null ; if [ "$$?" = "0" ]; then echo "unsigaction32 build success"; else echo "unsigaction32 build failure (that's fine)"; fi
-
-lib_amd64:
-	$(CC) -fPIC -shared unsigaction.c -o unsigaction64.so
-
-clean:
-	rm -f unsigaction32.so unsigaction64.so
-
-else
-
-all:
-	@echo "[!] Note: skipping compilation of unsigaction (AFL_NO_X86 set)."
-
-endif
generated by cgit-pink 1.4.1 (git 2.36.1) at 2025-05-22 05:24:38 +0000