[compiler-rt] r279108 - [asan] Add one more test for __asan_set_shadow_*

[Kostya Serebryany via llvm-commits]

this test fails on the windows bot, please fix.
http://lab.llvm.org:8011/builders/sanitizer-windows/builds/27672/steps/run%20tests/logs/stdio

Exit Code: 1

Command Output (stdout):
--
$ "C:/b/slave/sanitizer-windows/build/./bin/clang.exe"
"-fsanitize=address" "-mno-omit-leaf-frame-pointer"
"-fno-omit-frame-pointer" "-fno-optimize-sibling-calls"
"-gline-tables-only" "-gcodeview"
"-fms-compatibility-version=18.00.31101" "-shared-libasan" "-O0"
"C:\b\slave\sanitizer-windows\llvm\projects\compiler-rt\test\asan\TestCases\set_shadow_test.c"
"-o" "C:\b\slave\sanitizer-windows\build\projects\compiler-rt\test\asan\I386WindowsDynamicConfig\TestCases\Output\set_shadow_test.c.tmp"
# command output:
   Creating library
C:\b\slave\sanitizer-windows\build\projects\compiler-rt\test\asan\I386WindowsDynamicConfig\TestCases\Output\set_shadow_test.c.lib
and object C:\b\slave\sanitizer-windows\build\projects\compiler-rt\test\asan\I386WindowsDynamicConfig\TestCases\Output\set_shadow_test.c.exp


$ "C:\b\slave\sanitizer-windows\build\projects\compiler-rt\test\asan\I386WindowsDynamicConfig\TestCases\Output\set_shadow_test.c.tmp"
"0x00"
$ "FileCheck" "C:\b\slave\sanitizer-windows\llvm\projects\compiler-rt\test\asan\TestCases\set_shadow_test.c"
"-check-prefix=X00"
$ "not" "C:\b\slave\sanitizer-windows\build\projects\compiler-rt\test\asan\I386WindowsDynamicConfig\TestCases\Output\set_shadow_test.c.tmp"
"0xf1"
note: command had no output on stdout or stderr
error: command failed with exit status: 1
$ "FileCheck" "C:\b\slave\sanitizer-windows\llvm\projects\compiler-rt\test\asan\TestCases\set_shadow_test.c"
"-check-prefix=XF1"
# command stderr:
C:\b\slave\sanitizer-windows\llvm\projects\compiler-rt\test\asan\TestCases\set_shadow_test.c:35:10:
error: expected string not found in input

 // XF1: AddressSanitizer: stack-buffer-underflow

         ^

<stdin>:1:1: note: scanning from here

PASS

^

<stdin>:1:2: note: possible intended match here

PASS

 ^


error: command failed with exit status: 1



On Thu, Aug 18, 2016 at 11:15 AM, Vitaly Buka via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Author: vitalybuka
> Date: Thu Aug 18 13:15:15 2016
> New Revision: 279108
>
> URL: http://llvm.org/viewvc/llvm-project?rev=279108&view=rev
> Log:
> [asan] Add one more test for __asan_set_shadow_*
>
> Reviewers: eugenis, filcab
>
> Subscribers: llvm-commits, kubabrecka
>
> Differential Revision: https://reviews.llvm.org/D23676
>
> Added:
>     compiler-rt/trunk/test/asan/TestCases/set_shadow_test.c
>
> Added: compiler-rt/trunk/test/asan/TestCases/set_shadow_test.c
> URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/
> test/asan/TestCases/set_shadow_test.c?rev=279108&view=auto
> ============================================================
> ==================
> --- compiler-rt/trunk/test/asan/TestCases/set_shadow_test.c (added)
> +++ compiler-rt/trunk/test/asan/TestCases/set_shadow_test.c Thu Aug 18
> 13:15:15 2016
> @@ -0,0 +1,67 @@
> +// RUN: %clang_asan -O0 %s -o %t
> +// RUN: %run %t 0x00 2>&1 | FileCheck %s -check-prefix=X00
> +// RUN: not %run %t 0xf1 2>&1 | FileCheck %s -check-prefix=XF1
> +// RUN: not %run %t 0xf2 2>&1 | FileCheck %s -check-prefix=XF2
> +// RUN: not %run %t 0xf3 2>&1 | FileCheck %s -check-prefix=XF3
> +// RUN: not %run %t 0xf5 2>&1 | FileCheck %s -check-prefix=XF5
> +// RUN: not %run %t 0xf8 2>&1 | FileCheck %s -check-prefix=XF8
> +
> +#include <assert.h>
> +#include <sanitizer/asan_interface.h>
> +#include <stddef.h>
> +#include <stdio.h>
> +#include <stdlib.h>
> +
> +void __asan_set_shadow_00(size_t addr, size_t size);
> +void __asan_set_shadow_f1(size_t addr, size_t size);
> +void __asan_set_shadow_f2(size_t addr, size_t size);
> +void __asan_set_shadow_f3(size_t addr, size_t size);
> +void __asan_set_shadow_f5(size_t addr, size_t size);
> +void __asan_set_shadow_f8(size_t addr, size_t size);
> +
> +char a __attribute__((aligned(8)));
> +
> +void f(long arg) {
> +  size_t shadow_offset;
> +  size_t shadow_scale;
> +  __asan_get_shadow_mapping(&shadow_scale, &shadow_offset);
> +  size_t addr = (((size_t)&a) >> shadow_scale) + shadow_offset;
> +
> +  switch (arg) {
> +  // X00-NOT: AddressSanitizer
> +  // X00: PASS
> +  case 0x00:
> +    return __asan_set_shadow_00(addr, 1);
> +  // XF1: AddressSanitizer: stack-buffer-underflow
> +  // XF1: [f1]
> +  case 0xf1:
> +    return __asan_set_shadow_f1(addr, 1);
> +  // XF2: AddressSanitizer: stack-buffer-overflow
> +  // XF2: [f2]
> +  case 0xf2:
> +    return __asan_set_shadow_f2(addr, 1);
> +  // XF3: AddressSanitizer: stack-buffer-overflow
> +  // XF3: [f3]
> +  case 0xf3:
> +    return __asan_set_shadow_f3(addr, 1);
> +  // XF5: AddressSanitizer: stack-use-after-return
> +  // XF5: [f5]
> +  case 0xf5:
> +    return __asan_set_shadow_f5(addr, 1);
> +  // XF8: AddressSanitizer: stack-use-after-scope
> +  // XF8: [f8]
> +  case 0xf8:
> +    return __asan_set_shadow_f8(addr, 1);
> +  }
> +  assert(0);
> +}
> +
> +int main(int argc, char **argv) {
> +  assert(argc > 1);
> +
> +  long arg = strtol(argv[1], 0, 16);
> +  f(arg);
> +  a = 1;
> +  printf("PASS\n");
> +  return 0;
> +}
>
>
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