[thirdparty/gcc.git] / gcc / testsuite / c-c++-common / asan / alloca_detect_custom_size.c

/* { dg-do run } */
/* { dg-shouldfail "asan" } */

#include <assert.h>

struct A {
  char a[3];
  int b[3];
};

volatile int ten = 10;

__attribute__((noinline)) void foo(int index, int len) {
  volatile struct A str[len] __attribute__((aligned(32)));
  assert(!((long) str & 31L));
  str[index].a[0] = '1'; // BOOM
}

int main(int argc, char **argv) {
  foo(ten, ten);
  return 0;
}

/* { dg-output "WRITE of size 1 at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "    #0 0x\[0-9a-f\]+ +(in _*foo(\[^\n\r]*alloca_detect_custom_size.c:16|\[^\n\r]*:0|\[^\n\r]*\\+0x\[0-9a-z\]*)|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*Address 0x\[0-9a-f\]+ is located in stack of thread T0.*(\n|\r\n|\r)" */
/* { dg-output "\[^\n\r]*in foo.*alloca_detect_custom_size.c.*(\n|\r\n|\r)" */
Commit	Line	Data
e3174bdf MO	1	/* { dg-do run } */
	2	/* { dg-shouldfail "asan" } */
	3
	4	#include <assert.h>
	5
	6	struct A {
	7	char a[3];
	8	int b[3];
	9	};
	10
	11	volatile int ten = 10;
	12
	13	__attribute__((noinline)) void foo(int index, int len) {
	14	volatile struct A str[len] __attribute__((aligned(32)));
	15	assert(!((long) str & 31L));
	16	str[index].a[0] = '1'; // BOOM
	17	}
	18
	19	int main(int argc, char **argv) {
	20	foo(ten, ten);
	21	return 0;
	22	}
	23
	24	/* { dg-output "WRITE of size 1 at 0x\[0-9a-f\]+ thread T0\[^\n\r](\n\|\r\n\|\r)" } /
1ea85365	25	/* { dg-output " #0 0x\[0-9a-f\]+ +(in _foo(\[^\n\r]alloca_detect_custom_size.c:16\|\[^\n\r]:0\|\[^\n\r]\\+0x\[0-9a-z\])\|\[(\])\[^\n\r](\n\|\r\n\|\r)" } */
e3174bdf MO	26	/* { dg-output "\[^\n\r]Address 0x\[0-9a-f\]+ is located in stack of thread T0.(\n\|\r\n\|\r)" */
e3174bdf MO	27	/* { dg-output "\[^\n\r]in foo.alloca_detect_custom_size.c.(\n\|\r\n\|\r)" /