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allow symbolize=1 for asan/debug

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This commit is contained in:
vanhauser-thc 2020-10-23 22:49:20 +02:00
parent aa0d378520
commit 2e8ec1e339
4 changed files with 9 additions and 5 deletions
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2
GNUmakefile
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@ -247,7 +247,7 @@ ifeq "$(shell command -v svn >/dev/null && svn proplist . 2>/dev/null && echo 1
endif
ifeq "$(shell echo 'int main() { return 0;}' | $(CC) $(CFLAGS) -fsanitize=address -x c - -o .test2 2>/dev/null && echo 1 || echo 0 ; rm -f .test2 )" "1"
ASAN_CFLAGS=-fsanitize=address -fstack-protector-all -fno-omit-frame-pointer
ASAN_CFLAGS=-fsanitize=address -fstack-protector-all -fno-omit-frame-pointer -DASAN_BUILD
ASAN_LDFLAGS=-fsanitize=address -fstack-protector-all -fno-omit-frame-pointer
endif

2
include/afl-fuzz.h
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@ -1057,7 +1057,7 @@ void check_crash_handling(void);
void check_cpu_governor(afl_state_t *);
void get_core_count(afl_state_t *);
void fix_up_sync(afl_state_t *);
void check_asan_opts(void);
void check_asan_opts(afl_state_t *);
void check_binary(afl_state_t *, u8 *);
void fix_up_banner(afl_state_t *, u8 *);
void check_if_tty(afl_state_t *);

8
src/afl-fuzz-init.c
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@ -2338,10 +2338,12 @@ static void handle_resize(int sig) {
/* Check ASAN options. */
void check_asan_opts(void) {
void check_asan_opts(afl_state_t *afl) {
u8 *x = get_afl_env("ASAN_OPTIONS");
(void)(afl);
if (x) {
if (!strstr(x, "abort_on_error=1")) {
@ -2350,11 +2352,13 @@ void check_asan_opts(void) {
}
if (!strstr(x, "symbolize=0")) {
#ifndef ASAN_BUILD
if (!afl->debug && !strstr(x, "symbolize=0")) {
FATAL("Custom ASAN_OPTIONS set without symbolize=0 - please fix!");
}
#endif
}

2
src/afl-fuzz.c
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@ -878,7 +878,7 @@ int main(int argc, char **argv_orig, char **envp) {
#endif
setup_signal_handlers();
check_asan_opts();
check_asan_opts(afl);
afl->power_name = power_names[afl->schedule];