[compiler-rt] r235540 - [ASan] Print global registration site in init-order-checker reports.

[Alexey Samsonov]

Can you also specify ASAN_SYMOBLIZER_PATH=/home/linaro/devel/buildbot/
clang-cmake-thumbv7-a15-full-sh/stage1/bin/llvm-symbolizer?


On Thu, Apr 23, 2015 at 12:14 PM, Renato Golin <renato.golin at linaro.org>
wrote:

> On 23 April 2015 at 19:43, Alexey Samsonov <vonosmas at gmail.com> wrote:
> > Could you provide the full test output? I'll try to relax the test
> > conditions while we investigate this.
>
> Sure!
>
>
> $ env ASAN_OPTIONS=check_initialization_order=true
>
> /home/linaro/devel/buildbot/clang-cmake-thumbv7-a15-full-sh/stage1/projects/compiler-rt/test/asan/ARMLinuxConfig/TestCases/Output/initialization-bug.cc.tmp-INIT-ORDER-EXE
> 2>&1
> =================================================================
> ==4334==ERROR: AddressSanitizer: initialization-order-fiasco on
> address 0x0056bfe0 at pc 0x000b01a5 bp 0xbeedd2c0 sp 0xbeedd2c4
> READ of size 4 at 0x0056bfe0 thread T0
>     #0 0xb01a3
>
> (/home/linaro/devel/buildbot/clang-cmake-thumbv7-a15-full-sh/stage1/projects/compiler-rt/test/asan/ARMLinuxConfig/TestCases/Output/initialization-bug.cc.tmp-INIT-ORDER-EXE+0xb01a3)
>     #1 0x1dc15
>
> (/home/linaro/devel/buildbot/clang-cmake-thumbv7-a15-full-sh/stage1/projects/compiler-rt/test/asan/ARMLinuxConfig/TestCases/Output/initialization-bug.cc.tmp-INIT-ORDER-EXE+0x1dc15)
>     #2 0x1dc6f
>
> (/home/linaro/devel/buildbot/clang-cmake-thumbv7-a15-full-sh/stage1/projects/compiler-rt/test/asan/ARMLinuxConfig/TestCases/Output/initialization-bug.cc.tmp-INIT-ORDER-EXE+0x1dc6f)
>
> 0x0056bfe0 is located 0 bytes inside of global variable 'y' defined in
>
> '/home/linaro/devel/buildbot/clang-cmake-thumbv7-a15-full-sh/llvm/projects/compiler-rt/test/asan/TestCases/Helpers/initialization-bug-extra2.cc:6:5'
> (0x56bfe0) of size 4
>   registered at:
>     #0 0x2a4b1
>
> (/home/linaro/devel/buildbot/clang-cmake-thumbv7-a15-full-sh/stage1/projects/compiler-rt/test/asan/ARMLinuxConfig/TestCases/Output/initialization-bug.cc.tmp-INIT-ORDER-EXE+0x2a4b1)
>
> SUMMARY: AddressSanitizer: initialization-order-fiasco
>
> (/home/linaro/devel/buildbot/clang-cmake-thumbv7-a15-full-sh/stage1/projects/compiler-rt/test/asan/ARMLinuxConfig/TestCases/Output/initialization-bug.cc.tmp-INIT-ORDER-EXE+0xb01a3)
> Shadow bytes around the buggy address:
>   0x200ad7a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x200ad7b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x200ad7c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x200ad7d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x200ad7e0: 00 00 00 00 00 00 00 00 00 00 00 00 04 f9 f9 f9
> =>0x200ad7f0: f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9[f6]f6 f6 f6
>   0x200ad800: f6 f6 f6 f6 00 00 00 00 00 00 00 00 00 00 00 00
>   0x200ad810: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x200ad820: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x200ad830: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x200ad840: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> Shadow byte legend (one shadow byte represents 8 application bytes):
>   Addressable:           00
>   Partially addressable: 01 02 03 04 05 06 07
>   Heap left redzone:       fa
>   Heap right redzone:      fb
>   Freed heap region:       fd
>   Stack left redzone:      f1
>   Stack mid redzone:       f2
>   Stack right redzone:     f3
>   Stack partial redzone:   f4
>   Stack after return:      f5
>   Stack use after scope:   f8
>   Global redzone:          f9
>   Global init order:       f6
>   Poisoned by user:        f7
>   Container overflow:      fc
>   Array cookie:            ac
>   Intra object redzone:    bb
>   ASan internal:           fe
>   Left alloca redzone:     ca
>   Right alloca redzone:    cb
> ==4334==ABORTING
>



-- 
Alexey Samsonov
vonosmas at gmail.com
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