[compiler-rt] r175631 - [ASan] Delete asan/dynamic dir and temporarily move the interposers declarations to asan_intercepted_functions.h

Alexey Samsonov samsonov at google.com
Wed Feb 20 11:56:31 PST 2013


I've reverted test change in r175655.


On Wed, Feb 20, 2013 at 11:28 PM, Alexander Potapenko <glider at google.com>wrote:

> This has obviously been caused by the change to asan_test.cc (I've
> made it crash the main process instead of the forked one).
> I'll revert this file once I get to work (tomorrow noon), or you can
> do that if you prefer.
> Thanks a lot for catching this!
>
> On Wed, Feb 20, 2013 at 11:22 PM, David Blaikie <dblaikie at gmail.com>
> wrote:
> >
> >
> >
> > On Wed, Feb 20, 2013 at 7:46 AM, Alexander Potapenko <glider at google.com>
> > wrote:
> >>
> >> Author: glider
> >> Date: Wed Feb 20 09:46:02 2013
> >> New Revision: 175631
> >>
> >> URL: http://llvm.org/viewvc/llvm-project?rev=175631&view=rev
> >> Log:
> >> [ASan] Delete asan/dynamic dir and temporarily move the interposers
> >> declarations to asan_intercepted_functions.h
> >> Now that we have only one dependency on asan_intercepted_functions.h, we
> >> can unite that code with the interceptors declarations in
> >> asan_interceptors.cc and get rid of asan_intercepted_functions.h
> >
> >
> > I'm going to go out on a limb & suggest that this (or some related
> changes
> > from you recently) caused this:
> >
> > FAIL: AddressSanitizer-Unit ::
> >
> /usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test/AddressSanitizer.AllocDeallocMismatch
> > (41 of 14077)
> > ******************** TEST 'AddressSanitizer-Unit ::
> >
> /usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test/AddressSanitizer.AllocDeallocMismatch'
> > FAILED ********************
> > Note: Google Test filter = AddressSanitizer.AllocDeallocMismatch
> > [==========] Running 1 test from 1 test case.
> > [----------] Global test environment set-up.
> > [----------] 1 test from AddressSanitizer
> > [ RUN      ] AddressSanitizer.AllocDeallocMismatch
> > =================================================================
> > ==14202== ERROR: AddressSanitizer: alloc-dealloc-mismatch (operator new
> vs
> > free) on 0xf7302870
> >     #0 0x8094714
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x8094714)
> >     #1 0x811009d
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x811009d)
> >     #2 0x8254aa5
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x8254aa5)
> >     #3 0x82574c2
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x82574c2)
> >     #4 0x8258ec9
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x8258ec9)
> >     #5 0x82699da
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x82699da)
> >     #6 0x828bffb
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x828bffb)
> >     #7 0x8269012
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x8269012)
> >     #8 0x80c071f
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x80c071f)
> > 0xf7302870 is located 0 bytes inside of 4-byte region
> > [0xf7302870,0xf7302874)
> > allocated by thread T0 here:
> >     #0 0x8094c94
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x8094c94)
> >     #1 0x811008e
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x811008e)
> >     #2 0x8254aa5
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x8254aa5)
> >     #3 0x82574c2
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x82574c2)
> >     #4 0x8258ec9
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x8258ec9)
> >     #5 0x82699da
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x82699da)
> >     #6 0x828bffb
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x828bffb)
> >     #7 0x8269012
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x8269012)
> >     #8 0x80c071f
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-i386-Test+0x80c071f)
> > ==14202== HINT: if you don't care about these warnings you may set
> > ASAN_OPTIONS=alloc_dealloc_mismatch=0
> > ==14202== ABORTING
> >
> > ********************
> > Testing:
> > FAIL: AddressSanitizer-Unit ::
> >
> /usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test/AddressSanitizer.AllocDeallocMismatch
> > (175 of 14077)
> > ******************** TEST 'AddressSanitizer-Unit ::
> >
> /usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test/AddressSanitizer.AllocDeallocMismatch'
> > FAILED ********************
> > Note: Google Test filter = AddressSanitizer.AllocDeallocMismatch
> > [==========] Running 1 test from 1 test case.
> > [----------] Global test environment set-up.
> > [----------] 1 test from AddressSanitizer
> > [ RUN      ] AddressSanitizer.AllocDeallocMismatch
> > =================================================================
> > ==16677== ERROR: AddressSanitizer: alloc-dealloc-mismatch (operator new
> vs
> > free) on 0x60040000b0f0
> >     #0 0x451212
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x451212)
> >     #1 0x5ebe67
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5ebe67)
> >     #2 0x5be005
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5be005)
> >     #3 0x5c17fd
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5c17fd)
> >     #4 0x5cf9f9
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5cf9f9)
> >     #5 0x5ed2c7
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5ed2c7)
> >     #6 0x5cf1a6
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5cf1a6)
> > 0x60040000b0f0 is located 0 bytes inside of 4-byte region
> > [0x60040000b0f0,0x60040000b0f4)
> > allocated by thread T0 here:
> >     #0 0x451742
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x451742)
> >     #1 0x4b9e3a
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x4b9e3a)
> >     #2 0x5be005
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5be005)
> >     #3 0x5c17fd
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5c17fd)
> >     #4 0x5cf9f9
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5cf9f9)
> >     #5 0x5ed2c7
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5ed2c7)
> >     #6 0x5cf1a6
> >
> (/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/projects/compiler-rt/lib/asan/tests/Asan-x86_64-Test+0x5cf1a6)
> > ==16677== HINT: if you don't care about these warnings you may set
> > ASAN_OPTIONS=alloc_dealloc_mismatch=0
> > ==16677== ABORTING
> >
> > ********************
> >
> > Any ideas?
> >
> >>
> >>
> >> Removed:
> >>     compiler-rt/trunk/lib/asan/dynamic/
> >> Modified:
> >>     compiler-rt/trunk/lib/asan/CMakeLists.txt
> >>     compiler-rt/trunk/lib/asan/Makefile.mk
> >>     compiler-rt/trunk/lib/asan/asan_intercepted_functions.h
> >>     compiler-rt/trunk/lib/asan/tests/asan_test.cc
> >>
> >> Modified: compiler-rt/trunk/lib/asan/CMakeLists.txt
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/CMakeLists.txt?rev=175631&r1=175630&r2=175631&view=diff
> >>
> >>
> ==============================================================================
> >> --- compiler-rt/trunk/lib/asan/CMakeLists.txt (original)
> >> +++ compiler-rt/trunk/lib/asan/CMakeLists.txt Wed Feb 20 09:46:02 2013
> >> @@ -25,7 +25,6 @@ set(ASAN_SOURCES
> >>
> >>  set(ASAN_DYLIB_SOURCES
> >>    ${ASAN_SOURCES}
> >> -  dynamic/asan_interceptors_dynamic.cc
> >>    )
> >>
> >>  include_directories(..)
> >>
> >> Modified: compiler-rt/trunk/lib/asan/Makefile.mk
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/Makefile.mk?rev=175631&r1=175630&r2=175631&view=diff
> >>
> >>
> ==============================================================================
> >> --- compiler-rt/trunk/lib/asan/Makefile.mk (original)
> >> +++ compiler-rt/trunk/lib/asan/Makefile.mk Wed Feb 20 09:46:02 2013
> >> @@ -8,7 +8,7 @@
> >>
> >>
> #===------------------------------------------------------------------------===#
> >>
> >>  ModuleName := asan
> >> -SubDirs := dynamic
> >> +SubDirs :=
> >>
> >>  Sources := $(foreach file,$(wildcard $(Dir)/*.cc),$(notdir $(file)))
> >>  ObjNames := $(Sources:%.cc=%.o)
> >>
> >> Modified: compiler-rt/trunk/lib/asan/asan_intercepted_functions.h
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_intercepted_functions.h?rev=175631&r1=175630&r2=175631&view=diff
> >>
> >>
> ==============================================================================
> >> --- compiler-rt/trunk/lib/asan/asan_intercepted_functions.h (original)
> >> +++ compiler-rt/trunk/lib/asan/asan_intercepted_functions.h Wed Feb 20
> >> 09:46:02 2013
> >> @@ -79,9 +79,36 @@ using __sanitizer::uptr;
> >>  # define ASAN_INTERCEPT___CXA_THROW 0
> >>  #endif
> >>
> >> +#define INTERPOSE_FUNCTION(function) \
> >> +    { reinterpret_cast<const uptr>(WRAP(function)), \
> >> +      reinterpret_cast<const uptr>(function) }
> >> +
> >> +#define INTERPOSE_FUNCTION_2(function, wrapper) \
> >> +    { reinterpret_cast<const uptr>(wrapper), \
> >> +      reinterpret_cast<const uptr>(function) }
> >> +
> >> +struct interpose_substitution {
> >> +  const uptr replacement;
> >> +  const uptr original;
> >> +};
> >> +
> >> +#define INTERPOSER(func) __attribute__((used)) \
> >> +const interpose_substitution substitution_##func[] \
> >> +    __attribute__((section("__DATA, __interpose"))) = { \
> >> +  INTERPOSE_FUNCTION(func), \
> >> +}
> >> +
> >> +#define INTERPOSER_2(func, wrapper) __attribute__((used)) \
> >> +const interpose_substitution substitution_##func[] \
> >> +    __attribute__((section("__DATA, __interpose"))) = { \
> >> +  INTERPOSE_FUNCTION_2(func, wrapper), \
> >> +}
> >> +
> >> +
> >>  #define DECLARE_FUNCTION_AND_WRAPPER(ret_type, func, ...) \
> >>    ret_type func(__VA_ARGS__); \
> >> -  ret_type WRAP(func)(__VA_ARGS__)
> >> +  ret_type WRAP(func)(__VA_ARGS__); \
> >> +  INTERPOSER(func)
> >>
> >>  // Use extern declarations of intercepted functions on Mac and Windows
> >>  // to avoid including system headers.
> >> @@ -141,7 +168,8 @@ DECLARE_FUNCTION_AND_WRAPPER(char*, strd
> >>  DECLARE_FUNCTION_AND_WRAPPER(uptr, strnlen, const char *s, uptr
> maxlen);
> >>  # endif
> >>  # if ASAN_INTERCEPT_INDEX
> >> -DECLARE_FUNCTION_AND_WRAPPER(char*, index, const char *string, int c);
> >> +char* index(const char *string, int c);
> >> +INTERPOSER_2(index, WRAP(strchr));
> >>  # endif
> >>
> >>  // stdlib.h
> >> @@ -221,17 +249,6 @@ DECLARE_FUNCTION_AND_WRAPPER(int, fscanf
> >>                               void* stream, const char *format, ...);
> >>  DECLARE_FUNCTION_AND_WRAPPER(int, sscanf,  // NOLINT
> >>                               const char *str, const char *format, ...);
> >> -DECLARE_FUNCTION_AND_WRAPPER(int, __isoc99_vscanf, const char *format,
> >> -                             va_list ap);
> >> -DECLARE_FUNCTION_AND_WRAPPER(int, __isoc99_vsscanf, const char *str,
> >> -                             const char *format, va_list ap);
> >> -DECLARE_FUNCTION_AND_WRAPPER(int, __isoc99_vfscanf, void *stream,
> >> -                             const char *format, va_list ap);
> >> -DECLARE_FUNCTION_AND_WRAPPER(int, __isoc99_scanf, const char *format,
> >> ...);
> >> -DECLARE_FUNCTION_AND_WRAPPER(int, __isoc99_fscanf,
> >> -                             void* stream, const char *format, ...);
> >> -DECLARE_FUNCTION_AND_WRAPPER(int, __isoc99_sscanf,  // NOLINT
> >> -                             const char *str, const char *format, ...);
> >>  # endif
> >>
> >>  # if defined(__APPLE__)
> >> @@ -294,9 +311,11 @@ DECLARE_FUNCTION_AND_WRAPPER(void *, val
> >>  DECLARE_FUNCTION_AND_WRAPPER(size_t, malloc_good_size, size_t size);
> >>  DECLARE_FUNCTION_AND_WRAPPER(int, posix_memalign,
> >>                               void **memptr, size_t alignment, size_t
> >> size);
> >> +#if 0
> >>  DECLARE_FUNCTION_AND_WRAPPER(void, _malloc_fork_prepare, void);
> >>  DECLARE_FUNCTION_AND_WRAPPER(void, _malloc_fork_parent, void);
> >>  DECLARE_FUNCTION_AND_WRAPPER(void, _malloc_fork_child, void);
> >> +#endif
> >>
> >>
> >>
> >>
> >> Modified: compiler-rt/trunk/lib/asan/tests/asan_test.cc
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/tests/asan_test.cc?rev=175631&r1=175630&r2=175631&view=diff
> >>
> >>
> ==============================================================================
> >> --- compiler-rt/trunk/lib/asan/tests/asan_test.cc (original)
> >> +++ compiler-rt/trunk/lib/asan/tests/asan_test.cc Wed Feb 20 09:46:02
> 2013
> >> @@ -1133,11 +1133,15 @@ TEST(AddressSanitizer, AttributeNoAddres
> >>
> >>  // It doesn't work on Android, as calls to new/delete go through
> >> malloc/free.
> >>  #if !defined(ANDROID) && !defined(__ANDROID__)
> >> +#if 0
> >>  static string MismatchStr(const string &str) {
> >>    return string("AddressSanitizer: alloc-dealloc-mismatch \\(") + str;
> >>  }
> >> +#endif
> >>
> >>  TEST(AddressSanitizer, AllocDeallocMismatch) {
> >> +  free(Ident(new int));
> >> +#if 0
> >>    EXPECT_DEATH(free(Ident(new int)),
> >>                 MismatchStr("operator new vs free"));
> >>    EXPECT_DEATH(free(Ident(new int[2])),
> >> @@ -1150,6 +1154,7 @@ TEST(AddressSanitizer, AllocDeallocMisma
> >>                 MismatchStr("operator new vs operator delete \\[\\]"));
> >>    EXPECT_DEATH(delete [] (Ident((int*)malloc(2 * sizeof(int)))),
> >>                 MismatchStr("malloc vs operator delete \\[\\]"));
> >> +#endif
> >>  }
> >>  #endif
> >>
> >>
> >>
> >> _______________________________________________
> >> llvm-commits mailing list
> >> llvm-commits at cs.uiuc.edu
> >> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
> >
> >
>
>
>
> --
> Alexander Potapenko
> Software Engineer
> Google Moscow
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>



-- 
Alexey Samsonov, MSK
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