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/* { dg-do run } */
/* { dg-set-target-env-var ASAN_OPTIONS "detect_stack_use_after_return=1" } */
/* { dg-shouldfail "asan" } */
#include <stdio.h>
#include <pthread.h>
#ifndef kSize
# define kSize 1
#endif
#ifndef UseThread
# define UseThread 0
#endif
__attribute__((noinline))
char *Ident(char *x) {
fprintf(stderr, "1: %p\n", x);
return x;
}
__attribute__((noinline))
char *Func1() {
char local[kSize];
return Ident(local);
}
__attribute__((noinline))
void Func2(char *x) {
fprintf(stderr, "2: %p\n", x);
*x = 1;
}
void *Thread(void *unused) {
Func2(Func1());
return NULL;
}
int main(int argc, char **argv) {
#if UseThread
pthread_t t;
pthread_create(&t, 0, Thread, 0);
pthread_join(t, 0);
#else
Func2(Func1());
#endif
return 0;
}
/* { dg-output "WRITE of size 1 at .* thread T0.*" } */
/* { dg-output " #0.*(Func2)?.*use-after-return-1.(c:31)?.*" } */
/* { dg-output "is located in stack of thread T0 at offset.*" } */
/* { dg-output "\'local\' <== Memory access at offset 32 is inside this variable" } */
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