| 1 | // Check that UAR mode can handle very deep recursion. |
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| 2 | // REQUIRES: shell |
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| 3 | // RUN: %clangxx_asan -O2 %s -o %t |
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| 4 | // RUN: ulimit -s 4096 |
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| 5 | // RUN: %env_asan_opts=detect_stack_use_after_return=1 %run %t 2>&1 | FileCheck %s |
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| 6 | |
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| 7 | // Also check that use_sigaltstack+verbosity doesn't crash. |
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| 8 | // RUN: %env_asan_opts=verbosity=1:use_sigaltstack=1:detect_stack_use_after_return=1 %run %t | FileCheck %s |
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| 9 | |
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| 10 | // UNSUPPORTED: ios |
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| 11 | |
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| 12 | #include <stdio.h> |
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| 13 | |
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| 14 | __attribute__((noinline)) |
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| 15 | void RecursiveFunc(int depth, int *ptr) { |
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| 16 | if ((depth % 1000) == 0) |
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| 17 | printf(format: "[%05d] ptr: %p\n" , depth, ptr); |
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| 18 | if (depth == 0) |
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| 19 | return; |
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| 20 | int local; |
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| 21 | RecursiveFunc(depth: depth - 1, ptr: &local); |
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| 22 | } |
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| 23 | |
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| 24 | int main(int argc, char **argv) { |
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| 25 | RecursiveFunc(depth: 15000, ptr: 0); |
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| 26 | return 0; |
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| 27 | } |
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| 28 | // CHECK: [15000] ptr: |
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| 29 | // CHECK: [07000] ptr: |
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| 30 | // CHECK: [00000] ptr: |
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| 31 | |
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