You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
srs/trunk/research/st/asan-switch.cpp

41 lines
1.1 KiB
C++

/*
g++ asan-switch.cpp ../../objs/st/libst.a -fsanitize=address -fno-omit-frame-pointer -g -O0 -o asan-switch && ./asan-switch
*/
#include <stdio.h>
#include <string.h>
#include <sys/resource.h>
#include "../../objs/st/st.h"
void* foo(void *args) {
for (int i = 0; ; i++) {
st_sleep(1);
if (i && (i % 2) == 0) {
char *p = new char[3];
p[3] = 'H';
}
printf("#%d: main: working\n", i);
}
return NULL;
}
int main(int argc, char **argv) {
register void* stack_top asm ("sp");
struct rlimit limit;
if (getrlimit (RLIMIT_STACK, &limit) == 0) {
void* stack_bottom = (char*)stack_top - limit.rlim_cur;
st_set_primordial_stack(stack_top, stack_bottom);
}
st_init();
if (argc > 1) {
// Directly call foo() to trigger ASAN, call the function in the primordial thread,
// note that asan can not capther the stack of primordial thread.
foo(NULL);
} else {
st_thread_create(foo, NULL, 0, 0);
st_thread_exit(NULL);
}
return 0;
}