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Diva segfaults for crtbegin.o #8

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marxin opened this issue Sep 19, 2017 · 1 comment
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Diva segfaults for crtbegin.o #8

marxin opened this issue Sep 19, 2017 · 1 comment
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@marxin
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marxin commented Sep 19, 2017

Running for arbitrary crt{begin,end}.o file:

valgrind ./bin/diva /usr/lib64/gcc/x86_64-suse-linux/7/crtbegin.o
==28869== Memcheck, a memory error detector
==28869== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==28869== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
==28869== Command: ./bin/diva /usr/lib64/gcc/x86_64-suse-linux/7/crtbegin.o
==28869== 
==28869== Conditional jump or move depends on uninitialised value(s)
==28869==    at 0x4E4F007: dwarf_errno (dwarf_error.c:123)
==28869==    by 0x5704A8: ElfDwarfReader::LibDwarfError::LibDwarfError(Dwarf_Error_s*, Dwarf_Debug_s*) (LibDwarfHelpers.cpp:49)
==28869==    by 0x570682: ElfDwarfReader::DwarfDebugData::DwarfDebugData(int) (LibDwarfHelpers.cpp:85)
==28869==    by 0x56738F: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:123)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869== 
==28869== Use of uninitialised value of size 8
==28869==    at 0x4E4F014: dwarf_errno (dwarf_error.c:127)
==28869==    by 0x5704A8: ElfDwarfReader::LibDwarfError::LibDwarfError(Dwarf_Error_s*, Dwarf_Debug_s*) (LibDwarfHelpers.cpp:49)
==28869==    by 0x570682: ElfDwarfReader::DwarfDebugData::DwarfDebugData(int) (LibDwarfHelpers.cpp:85)
==28869==    by 0x56738F: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:123)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869== 
==28869== Invalid read of size 8
==28869==    at 0x4E4F014: dwarf_errno (dwarf_error.c:127)
==28869==    by 0x5704A8: ElfDwarfReader::LibDwarfError::LibDwarfError(Dwarf_Error_s*, Dwarf_Debug_s*) (LibDwarfHelpers.cpp:49)
==28869==    by 0x570682: ElfDwarfReader::DwarfDebugData::DwarfDebugData(int) (LibDwarfHelpers.cpp:85)
==28869==    by 0x56738F: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:123)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869==  Address 0x629ada0 is 0 bytes inside a block of size 46 free'd
==28869==    at 0x4C2E7BB: operator delete(void*) (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==28869==    by 0x56736D: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:122)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869==  Block was alloc'd at
==28869==    at 0x4C2D6FF: operator new(unsigned long) (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==28869==    by 0x545DC1: void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag) (basic_string.tcc:219)
==28869==    by 0x5C593E: _M_construct_aux<char*> (basic_string.h:220)
==28869==    by 0x5C593E: _M_construct<char*> (basic_string.h:239)
==28869==    by 0x5C593E: std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) (basic_string.h:424)
==28869==    by 0x54215D: LibScopeView::ViewSpecification::getInputFile[abi:cxx11]() const (ViewSpecification.h:108)
==28869==    by 0x564CD8: LibScopeView::Reader::getInputFile[abi:cxx11]() const (Reader.h:129)
==28869==    by 0x56734B: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:122)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869== 
==28869== Conditional jump or move depends on uninitialised value(s)
==28869==    at 0x4E4F026: dwarf_errmsg (dwarf_error.c:136)
==28869==    by 0x5704D3: ElfDwarfReader::LibDwarfError::LibDwarfError(Dwarf_Error_s*, Dwarf_Debug_s*) (LibDwarfHelpers.cpp:49)
==28869==    by 0x570682: ElfDwarfReader::DwarfDebugData::DwarfDebugData(int) (LibDwarfHelpers.cpp:85)
==28869==    by 0x56738F: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:123)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869== 
==28869== Use of uninitialised value of size 8
==28869==    at 0x4E4F035: dwarf_errmsg (dwarf_error.c:140)
==28869==    by 0x5704D3: ElfDwarfReader::LibDwarfError::LibDwarfError(Dwarf_Error_s*, Dwarf_Debug_s*) (LibDwarfHelpers.cpp:49)
==28869==    by 0x570682: ElfDwarfReader::DwarfDebugData::DwarfDebugData(int) (LibDwarfHelpers.cpp:85)
==28869==    by 0x56738F: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:123)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869== 
==28869== Invalid read of size 8
==28869==    at 0x4E4F035: dwarf_errmsg (dwarf_error.c:140)
==28869==    by 0x5704D3: ElfDwarfReader::LibDwarfError::LibDwarfError(Dwarf_Error_s*, Dwarf_Debug_s*) (LibDwarfHelpers.cpp:49)
==28869==    by 0x570682: ElfDwarfReader::DwarfDebugData::DwarfDebugData(int) (LibDwarfHelpers.cpp:85)
==28869==    by 0x56738F: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:123)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869==  Address 0x629ada0 is 0 bytes inside a block of size 46 free'd
==28869==    at 0x4C2E7BB: operator delete(void*) (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==28869==    by 0x56736D: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:122)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869==  Block was alloc'd at
==28869==    at 0x4C2D6FF: operator new(unsigned long) (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==28869==    by 0x545DC1: void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag) (basic_string.tcc:219)
==28869==    by 0x5C593E: _M_construct_aux<char*> (basic_string.h:220)
==28869==    by 0x5C593E: _M_construct<char*> (basic_string.h:239)
==28869==    by 0x5C593E: std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) (basic_string.h:424)
==28869==    by 0x54215D: LibScopeView::ViewSpecification::getInputFile[abi:cxx11]() const (ViewSpecification.h:108)
==28869==    by 0x564CD8: LibScopeView::Reader::getInputFile[abi:cxx11]() const (Reader.h:129)
==28869==    by 0x56734B: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:122)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869== 
==28869== Conditional jump or move depends on uninitialised value(s)
==28869==    at 0x4C2E271: free (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==28869==    by 0x570521: ElfDwarfReader::LibDwarfError::LibDwarfError(Dwarf_Error_s*, Dwarf_Debug_s*) (LibDwarfHelpers.cpp:61)
==28869==    by 0x570682: ElfDwarfReader::DwarfDebugData::DwarfDebugData(int) (LibDwarfHelpers.cpp:85)
==28869==    by 0x56738F: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:123)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869== 
==28869== Invalid free() / delete / delete[] / realloc()
==28869==    at 0x4C2E2BB: free (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==28869==    by 0x570521: ElfDwarfReader::LibDwarfError::LibDwarfError(Dwarf_Error_s*, Dwarf_Debug_s*) (LibDwarfHelpers.cpp:61)
==28869==    by 0x570682: ElfDwarfReader::DwarfDebugData::DwarfDebugData(int) (LibDwarfHelpers.cpp:85)
==28869==    by 0x56738F: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:123)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869==  Address 0x629ada0 is 0 bytes inside a block of size 46 free'd
==28869==    at 0x4C2E7BB: operator delete(void*) (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==28869==    by 0x56736D: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:122)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
==28869==  Block was alloc'd at
==28869==    at 0x4C2D6FF: operator new(unsigned long) (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==28869==    by 0x545DC1: void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag) (basic_string.tcc:219)
==28869==    by 0x5C593E: _M_construct_aux<char*> (basic_string.h:220)
==28869==    by 0x5C593E: _M_construct<char*> (basic_string.h:239)
==28869==    by 0x5C593E: std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) (basic_string.h:424)
==28869==    by 0x54215D: LibScopeView::ViewSpecification::getInputFile[abi:cxx11]() const (ViewSpecification.h:108)
==28869==    by 0x564CD8: LibScopeView::Reader::getInputFile[abi:cxx11]() const (Reader.h:129)
==28869==    by 0x56734B: ElfDwarfReader::DwarfReader::createScopes() (ElfDwarfReader.cpp:122)
==28869==    by 0x57A59C: LibScopeView::Reader::executeActions() (Reader.cpp:71)
==28869==    by 0x564724: main (main.cpp:91)
@FlameTop FlameTop added the bug label Sep 19, 2017
@SeanEveson
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Thanks for the bug report.

Repro: repro.zip

SeanEveson added a commit to SeanEveson/DIVA that referenced this issue Sep 22, 2017
@SeanEveson
Fix Issue SNSystems#8, Crash when handling some files with no debug d…
1e4f5e3 
…ata.
FlameTop added a commit that referenced this issue Sep 22, 2017
@FlameTop
Merge pull request #14 from SeanEveson/fix_crash_issue8
533dcbd 
Fix Issue #8, Crash when handling some files with no debug data.
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@FlameTop @marxin @SeanEveson