You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
892 B
27 lines
892 B
// RUN: %clang_asan -O2 %s -o %t
|
|
// RUN: %env_asan_opts=check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
|
|
// RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
|
|
|
|
// FIXME: sprintf is not intercepted on Windows yet. But this test can
|
|
// pass if sprintf calls memmove, which is intercepted, so we can't XFAIL it.
|
|
// UNSUPPORTED: windows-msvc
|
|
|
|
#include <stdio.h>
|
|
int main() {
|
|
volatile char c = '0';
|
|
volatile int x = 12;
|
|
volatile float f = 1.239;
|
|
volatile char s[] = "34";
|
|
volatile char buf[2];
|
|
fputs("before sprintf\n", stderr);
|
|
sprintf((char *)buf, "%c %d %.3f %s\n", c, x, f, s);
|
|
fputs("after sprintf", stderr);
|
|
fputs((const char *)buf, stderr);
|
|
return 0;
|
|
// Check that size of output buffer is sanitized.
|
|
// CHECK-ON: before sprintf
|
|
// CHECK-ON-NOT: after sprintf
|
|
// CHECK-ON: stack-buffer-overflow
|
|
// CHECK-ON-NOT: 0 12 1.239 34
|
|
}
|