| 1 | // Test for __lsan_do_leak_check(). We test it by making the leak check run |
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| 2 | // before global destructors, which also tests compatibility with HeapChecker's |
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| 3 | // "normal" mode (LSan runs in "strict" mode by default). |
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| 4 | // RUN: %clangxx_lsan %s -o %t |
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| 5 | // RUN: %env_lsan_opts=use_stacks=0:use_registers=0 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-strict %s |
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| 6 | // RUN: %env_lsan_opts=use_stacks=0:use_registers=0 not %run %t foo 2>&1 | FileCheck --check-prefix=CHECK-normal %s |
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| 7 | |
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| 8 | // Investigate why LeakyGlobal leak does show |
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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/lsan_interface.h> |
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| 14 | |
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| 15 | struct LeakyGlobal { |
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| 16 | LeakyGlobal() { |
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| 17 | p = malloc(size: 1337); |
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| 18 | } |
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| 19 | ~LeakyGlobal() { |
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| 20 | p = 0; |
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| 21 | } |
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| 22 | void *p; |
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| 23 | }; |
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| 24 | |
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| 25 | LeakyGlobal leaky_global; |
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| 26 | |
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| 27 | int main(int argc, char *argv[]) { |
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| 28 | // Register leak check to run before global destructors. |
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| 29 | if (argc > 1) |
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| 30 | atexit(func: &__lsan_do_leak_check); |
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| 31 | void *p = malloc(size: 666); |
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| 32 | printf(format: "Test alloc: %p\n" , p); |
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| 33 | printf(format: "Test alloc in leaky global: %p\n" , leaky_global.p); |
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| 34 | return 0; |
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| 35 | } |
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| 36 | |
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| 37 | // CHECK-strict: SUMMARY: {{.*}}Sanitizer: 2003 byte(s) leaked in 2 allocation(s) |
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| 38 | // CHECK-normal: SUMMARY: {{.*}}Sanitizer: 666 byte(s) leaked in 1 allocation(s) |
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| 39 | |
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