1 // Check that UAR mode can handle very deep recusrion. 2 // RUN: export ASAN_OPTIONS=detect_stack_use_after_return=1 3 // RUN: %clangxx_asan -O2 %s -o %t && \ 4 // RUN: (ulimit -s 4096; %run %t) 2>&1 | FileCheck %s 5 6 // Also check that use_sigaltstack+verbosity doesn't crash. 7 // RUN: env ASAN_OPTIONS=verbosity=1:use_sigaltstack=1 %run %t | FileCheck %s 8 #include <stdio.h> 9 10 __attribute__((noinline)) 11 void RecursiveFunc(int depth, int *ptr) { 12 if ((depth % 1000) == 0) 13 printf("[%05d] ptr: %p\n", depth, ptr); 14 if (depth == 0) 15 return; 16 int local; 17 RecursiveFunc(depth - 1, &local); 18 } 19 20 int main(int argc, char **argv) { 21 RecursiveFunc(15000, 0); 22 return 0; 23 } 24 // CHECK: [15000] ptr: 25 // CHECK: [07000] ptr: 26 // CHECK: [00000] ptr: 27
