1 // Check that UAR mode can handle very deep recusrion. 2 // RUN: %clangxx_asan -O2 %s -o %t && \ 3 // RUN: (ulimit -s 4096; %env_asan_opts=detect_stack_use_after_return=1 %run %t) 2>&1 | FileCheck %s 4 5 // Also check that use_sigaltstack+verbosity doesn't crash. 6 // RUN: %env_asan_opts=verbosity=1:use_sigaltstack=1:detect_stack_use_after_return=1 %run %t | FileCheck %s 7 #include <stdio.h> 8 9 __attribute__((noinline)) 10 void 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 19 int main(int argc, char **argv) { 20 RecursiveFunc(15000, 0); 21 return 0; 22 } 23 // CHECK: [15000] ptr: 24 // CHECK: [07000] ptr: 25 // CHECK: [00000] ptr: 26
