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)) RecursiveFunc(int depth,int * ptr)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 main(int argc,char ** argv)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