[llvm-dev] AddressSanitizer on SPECCPU2006

Wed Sep 5 03:57:22 PDT 2018

This is a known problem in SPECCPU2006, see
https://github.com/google/sanitizers/wiki/AddressSanitizerFoundBugs
On Wed, Sep 5, 2018 at 7:36 AM Muhui Jiang via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
>
> Hi
>
> I am using SanitizerCoverage feature supported by clang to get the basicblock coverage.
>
> my tested binaries are spec cpu2006. I compiled the binary with the option
> COPTIMIZE   = -O0 -fsanitize=address -fsanitize-coverage=bb -flto -fno-strict-aliasing -std=gnu89 -gdwarf-3
>
> After the compiling process is end. I run the 400.perlbench.  with the command
> ASAN_OPTIONS=coverage=1 ./perlbench. However, the AddressSanitizer detect the global buffer overflow and I could not run the perlbench properly.
>
> Is there anything wrong or I missed some configurations? I just want to compile the binaries with instrumented coverage information so that I can calculate the bb coverage. Many Thanks
>
>
> ==17619==ERROR: AddressSanitizer: global-buffer-overflow on address 0x000000b46465 at pc 0x00000049ffcd bp 0x7fff4f265ec0 sp 0x7fff4f265670
>
> READ of size 6 at 0x000000b46465 thread T0
>
>     #0 0x49ffcc in __interceptor_memcmp.part.75 /home/jmh/Downloads/llvm-4/llvm/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:690
>
>     #1 0x6843a0 in PerlIO_find_layer /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlio.c:751:6
>
>     #2 0x6869fc in PerlIO_default_buffer /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlio.c:1015:32
>
>     #3 0x683f13 in PerlIO_default_layers /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlio.c:1113:6
>
>     #4 0x691cff in PerlIO_resolve_layers /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlio.c:1433:26
>
>     #5 0x690ef3 in PerlIO_openn /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlio.c:1519:15
>
>     #6 0x6907a1 in PerlIO_fdopen /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlio.c:4745:12
>
>     #7 0x6906e8 in PerlIO_stdstreams /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlio.c:1150:2
>
>     #8 0x6946ef in Perl_PerlIO_stdin /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlio.c:4686:2
>
>     #9 0x66a465 in S_open_script /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perl.c:3348:12
>
>     #10 0x65f01d in S_parse_body /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perl.c:1718:5
>
>     #11 0x65b5b9 in perl_parse /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perl.c:1312:2
>
>     #12 0x696dd2 in main /home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlmain.c:96:18
>
>     #13 0x7f169601082f in __libc_start_main /build/glibc-Cl5G7W/glibc-2.23/csu/../csu/libc-start.c:291
>
>     #14 0x41bc58 in _start (/home/jmh/Downloads/spec2006_v1.2/benchspec/CPU2006/400.perlbench/build/build_base_elf-64bit.0000/perlbench+0x41bc58)
>
>
> 0x000000b46465 is located 0 bytes to the right of global variable '<string literal>' defined in 'perlio.c:2566:5' (0xb46460) of size 5
>
>   '<string literal>' is ascii string 'unix'
>
> SUMMARY: AddressSanitizer: global-buffer-overflow /home/jmh/Downloads/llvm-4/llvm/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:690 in __interceptor_memcmp.part.75
>
> Shadow bytes around the buggy address:
>
>   0x000080160c30: 00 00 00 00 05 f9 f9 f9 f9 f9 f9 f9 00 00 00 00
>
>   0x000080160c40: 06 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 04 f9 f9 f9
>
>   0x000080160c50: f9 f9 f9 f9 00 00 00 00 02 f9 f9 f9 f9 f9 f9 f9
>
>   0x000080160c60: 00 00 00 00 00 00 00 00 06 f9 f9 f9 f9 f9 f9 f9
>
>   0x000080160c70: 00 00 00 00 00 00 01 f9 f9 f9 f9 f9 00 00 00 00
>
> =>0x000080160c80: 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00[05]f9 f9 f9
>
>   0x000080160c90: f9 f9 f9 f9 00 00 00 00 03 f9 f9 f9 f9 f9 f9 f9
>
>   0x000080160ca0: 00 00 00 00 02 f9 f9 f9 f9 f9 f9 f9 00 00 00 00
>
>   0x000080160cb0: 06 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 07 f9 f9 f9
>
>   0x000080160cc0: f9 f9 f9 f9 00 00 00 00 00 f9 f9 f9 f9 f9 f9 f9
>
>   0x000080160cd0: 00 00 00 00 05 f9 f9 f9 f9 f9 f9 f9 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
>
>   Freed heap region:       fd
>
>   Stack left redzone:      f1
>
>   Stack mid redzone:       f2
>
>   Stack right redzone:     f3
>
>   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
>
> ==17619==ABORTING
>
>
>
> Regards
>
> Muhui
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