31 lines · cpp
1// Check that UAR mode can handle very deep recursion.2// REQUIRES: shell3// RUN: %clangxx_asan -O2 %s -o %t4// RUN: ulimit -s 40965// RUN: %env_asan_opts=detect_stack_use_after_return=1 %run %t 2>&1 | FileCheck %s6 7// Also check that use_sigaltstack+verbosity doesn't crash.8// RUN: %env_asan_opts=verbosity=1:use_sigaltstack=1:detect_stack_use_after_return=1 %run %t | FileCheck %s9 10// UNSUPPORTED: ios11 12#include <stdio.h>13 14__attribute__((noinline))15void RecursiveFunc(int depth, int *ptr) {16 if ((depth % 1000) == 0)17 printf("[%05d] ptr: %p\n", depth, ptr);18 if (depth == 0)19 return;20 int local;21 RecursiveFunc(depth - 1, &local);22}23 24int main(int argc, char **argv) {25 RecursiveFunc(15000, 0);26 return 0;27}28// CHECK: [15000] ptr:29// CHECK: [07000] ptr:30// CHECK: [00000] ptr:31