1// Check that UAR mode can handle very deep recusrion. 2// export ASAN_OPTIONS=detect_stack_use_after_return=1 3// RUN: %clangxx_asan -O2 %s -o %t && \ 4// RUN: %run %t 2>&1 | FileCheck %s 5// Also check that use_sigaltstack+verbosity doesn't crash. 6// RUN: env ASAN_OPTIONS=verbosity=1:use_sigaltstack=1 %run %t | FileCheck %s 7#include <stdio.h> 8 9__attribute__((noinline)) 10void RecursiveFunc(int depth, int *ptr) { 11 if ((depth % 1000) == 0) 12 printf("[%05d] ptr: %p\n", depth, ptr); 13 if (depth == 0) 14 return; 15 int local; 16 RecursiveFunc(depth - 1, &local); 17} 18 19int main(int argc, char **argv) { 20 RecursiveFunc(40000, 0); 21 return 0; 22} 23// CHECK: [40000] ptr: 24// CHECK: [20000] ptr: 25// CHECK: [00000] ptr 26