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// Check that UAR mode can handle very deep recusrion.
// export ASAN_OPTIONS=detect_stack_use_after_return=1
// RUN: %clangxx_asan -O2 %s -o %t && \
// RUN: %t 2>&1 | FileCheck %s
// Also check that use_sigaltstack+verbosity doesn't crash.
// RUN: ASAN_OPTIONS=verbosity=1:use_sigaltstack=1 %t | FileCheck %s
#include <stdio.h>
__attribute__((noinline))
void RecursiveFunc(int depth, int *ptr) {
if ((depth % 1000) == 0)
printf("[%05d] ptr: %p\n", depth, ptr);
if (depth == 0)
return;
int local;
RecursiveFunc(depth - 1, &local);
}
int main(int argc, char **argv) {
RecursiveFunc(40000, 0);
return 0;
}
// CHECK: [40000] ptr:
// CHECK: [20000] ptr:
// CHECK: [00000] ptr
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