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commit 1e1e67d0a7d16db0a4331702af713a163c40b87f
Author: Jesse Schwartzentruber <truber@mozilla.com>
Date: Fri Jul 14 11:04:04 2023 -0400
Increase MAP_SIZE for Nyx
diff --git a/include/config.h b/include/config.h
index 988e536e..5e9870c0 100644
--- a/include/config.h
+++ b/include/config.h
@@ -442,7 +442,7 @@
problems with complex programs). You need to recompile the target binary
after changing this - otherwise, SEGVs may ensue. */
-#define MAP_SIZE_POW2 16
+#define MAP_SIZE_POW2 23
/* Do not change this unless you really know what you are doing. */
commit e46fac6063f7b0b6eca8e140b10c3a107deb0a0f
Author: Christian Holler (:decoder) <choller@mozilla.com>
Date: Wed Mar 6 10:19:52 2024 +0100
Fix delayed pcmap writing for code coverage with pc-table
diff --git a/instrumentation/afl-compiler-rt.o.c b/instrumentation/afl-compiler-rt.o.c
index caa3c3a8..76ceb451 100644
--- a/instrumentation/afl-compiler-rt.o.c
+++ b/instrumentation/afl-compiler-rt.o.c
@@ -1837,7 +1837,7 @@ void __sanitizer_cov_pcs_init(const uintptr_t *pcs_beg,
}
- if (pc_filter) {
+ if (pc_filter && !mod_info->next) {
char PcDescr[1024];
// This function is a part of the sanitizer run-time.
@@ -1864,7 +1864,7 @@ void __sanitizer_cov_pcs_init(const uintptr_t *pcs_beg,
}
- if (__afl_filter_pcs && strstr(mod_info->name, __afl_filter_pcs_module)) {
+ if (__afl_filter_pcs && !mod_info->next && strstr(mod_info->name, __afl_filter_pcs_module)) {
u32 result_index;
if (locate_in_pcs(PC, &result_index)) {
@@ -1889,7 +1889,11 @@ void __sanitizer_cov_pcs_init(const uintptr_t *pcs_beg,
}
- mod_info->mapped = 1;
+ if (__afl_pcmap_ptr) {
+
+ mod_info->mapped = 1;
+
+ }
if (__afl_debug) {
commit 58206a3180479416e14ea324607be71ee69caa6f
Author: Jesse Schwartzentruber <truber@mozilla.com>
Date: Wed Apr 17 14:40:41 2024 -0400
Set explicit visibility on shared memory variables.
diff --git a/src/afl-cc.c b/src/afl-cc.c
index dd4fb4ea..57089ae0 100644
--- a/src/afl-cc.c
+++ b/src/afl-cc.c
@@ -1591,8 +1591,10 @@ void add_defs_persistent_mode(aflcc_state_t *aflcc) {
insert_param(aflcc,
"-D__AFL_FUZZ_INIT()="
"int __afl_sharedmem_fuzzing = 1;"
- "extern unsigned int *__afl_fuzz_len;"
- "extern unsigned char *__afl_fuzz_ptr;"
+ "extern __attribute__((visibility(\"default\"))) "
+ "unsigned int *__afl_fuzz_len;"
+ "extern __attribute__((visibility(\"default\"))) "
+ "unsigned char *__afl_fuzz_ptr;"
"unsigned char __afl_fuzz_alt[1048576];"
"unsigned char *__afl_fuzz_alt_ptr = __afl_fuzz_alt;");