forked from OSchip/llvm-project
24 lines
475 B
C
24 lines
475 B
C
// RUN: %clang_safestack %s -o %t
|
|
// RUN: %run %t
|
|
|
|
// RUN: %clang_nosafestack -fno-stack-protector %s -o %t
|
|
// RUN: not %run %t
|
|
|
|
// Test that buffer overflows on the unsafe stack do not affect variables on the
|
|
// safe stack.
|
|
|
|
__attribute__((noinline))
|
|
void fct(volatile int *buffer)
|
|
{
|
|
memset(buffer - 1, 0, 7 * sizeof(int));
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int value1 = 42;
|
|
int buffer[5];
|
|
int value2 = 42;
|
|
fct(buffer);
|
|
return value1 != 42 || value2 != 42;
|
|
}
|