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