| 1 | // Test that fake stack (introduced by ASan's use-after-return mode) is included |
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| 2 | // in the root set. |
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| 3 | // RUN: %clangxx_lsan %s -O2 -o %t |
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| 4 | // RUN: env ASAN_OPTIONS=detect_stack_use_after_return=1 %env_lsan_opts="report_objects=1:use_registers=0:use_stacks=0" not %run %t 2>&1 | FileCheck %s |
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| 5 | // RUN: env ASAN_OPTIONS=detect_stack_use_after_return=1 %env_lsan_opts="report_objects=1:use_registers=0:use_stacks=1" %run %t 2>&1 |
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| 6 | // RUN: env ASAN_OPTIONS=detect_stack_use_after_return=1 %env_lsan_opts="" %run %t 2>&1 |
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| 7 | |
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| 8 | // Investigate why it does not fail with use_stack=0 |
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| 9 | // UNSUPPORTED: arm-linux || armhf-linux |
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| 10 | |
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| 11 | #include <stdio.h> |
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| 12 | #include <stdlib.h> |
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| 13 | #include "sanitizer_common/print_address.h" |
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| 14 | |
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| 15 | int main() { |
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| 16 | void *stack_var = malloc(size: 1337); |
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| 17 | print_address("Test alloc: " , 1, stack_var); |
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| 18 | // Take pointer to variable, to ensure it's not optimized into a register. |
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| 19 | print_address("Stack var at: " , 1, &stack_var); |
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| 20 | // Do not return from main to prevent the pointer from going out of scope. |
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| 21 | exit(status: 0); |
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| 22 | } |
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| 23 | // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]] |
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| 24 | // CHECK: LeakSanitizer: detected memory leaks |
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| 25 | // CHECK: [[ADDR]] (1337 bytes) |
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| 26 | // CHECK: SUMMARY: {{.*}}Sanitizer: |
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| 27 | |
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