Replace __AFL_CHECK_LEAK with __AFL_LEAK_CHECK to be more proper.

Fix spelling mistakes.

Correctly call LSAN_ERROR not MSAN_ERROR.

docs/env_variables.md

@@ -55,7 +55,7 @@ make fairly broad use of environmental variables instead:
     overridden.
 
   - Setting `AFL_USE_ASAN` automatically enables ASAN, provided that your
-    compiler supports itt. Note that fuzzing with ASAN is mildly challenging
+    compiler supports it. Note that fuzzing with ASAN is mildly challenging
     - see [notes_for_asan.md](notes_for_asan.md).
 
     (You can also enable MSAN via `AFL_USE_MSAN`; ASAN and MSAN come with the
@@ -66,8 +66,8 @@ make fairly broad use of environmental variables instead:
 
   - Setting `AFL_USE_LSAN` automatically enables Leak-Sanitizer, provided
     that your compiler supports it. To perform a leak check within your
-    program at a certain point (such as at the end of an __AFL_LOOP,
+    program at a certain point (such as at the end of an __AFL_LOOP),
-    you can run the macro __AFL_CHECK_LEAK(); which will cause
+    you can run the macro __AFL_LEAK_CHECK(); which will cause
     an abort if any memory is leaked (you can combine this with the
     LSAN_OPTIONS=suppressions option to supress some known leaks).
 
@@ -637,7 +637,7 @@ optimal values if not already present in the environment:
 ```
   - Similarly, the default `LSAN_OPTIONS` are set to:
 ```
-    exit_code=86
+    exit_code=23
     fast_unwind_on_malloc=0
 ````
   Be sure to include the first ones for LSAN and MSAN when customizing

docs/notes_for_asan.md

@@ -30,7 +30,7 @@ Note that ASAN is incompatible with -static, so be mindful of that.
 
 When compiling with AFL_USE_LSAN, the leak sanitizer will normally run
 when the program exits. In order to utilize this check at different times,
-such as at the end of a loop, you may use the macro __AFL_CHECK_LEAK();.
+such as at the end of a loop, you may use the macro __AFL_LEAK_CHECK();.
 This macro will report a crash in afl-fuzz if any memory is left leaking
 at this stage. You can also use LSAN_OPTIONS and a supressions file
 for more fine-tuned checking, however make sure you keep exitcode=23.

src/afl-analyze.c

@@ -832,7 +832,7 @@ static void set_up_environment(void) {
                          "handle_sigill=0", 0);
 
    setenv("LSAN_OPTIONS",
-         "exitcode=" STRINGIFY(MSAN_ERROR) ":"
+         "exitcode=" STRINGIFY(LSAN_ERROR) ":"
          "fast_unwind_on_malloc=0",
          0);
 

src/afl-cc.c

@@ -923,7 +923,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
   }
 
   cc_params[cc_par_cnt++] =
-      "-D__AFL_CHECK_LEAK()=__lsan_do_leak_check()";
+      "-D__AFL_LEAK_CHECK()=__lsan_do_leak_check()";
 
   cc_params[cc_par_cnt++] =
       "-D__AFL_COVERAGE_START_OFF()=int __afl_selective_coverage_start_off = "