MKV memory leak

added Component::Demuxers: MKV Severity::normal Type::bug Version::master git + 1 deleted label

changed milestone to %Bugs paradize

Added attachment:

leak.mkv

==20409==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 160 byte(s) in 1 object(s) allocated from:
    [#0](https://code.videolan.org/videolan/vlc/-/issues/0) 0x7f10faed0bf0 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc2bf0)
    [#1](https://code.videolan.org/videolan/vlc/-/issues/1) 0x7f10f08e236f in libmatroska::KaxSimpleBlock::Create() matroska/KaxBlock.h:310

Indirect leak of 45 byte(s) in 1 object(s) allocated from:
    [#0](https://code.videolan.org/videolan/vlc/-/issues/0) 0x7f10faecfd28 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc1d28)
    [#1](https://code.videolan.org/videolan/vlc/-/issues/1) 0x7f10f08ef41a in libebml::EbmlBinary::ReadData(libebml::IOCallback&, libebml::ScopeMode) src/EbmlBinary.cpp:94

Indirect leak of 40 byte(s) in 1 object(s) allocated from:
    [#0](https://code.videolan.org/videolan/vlc/-/issues/0) 0x7f10faed0bf0 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc2bf0)
    [#1](https://code.videolan.org/videolan/vlc/-/issues/1) 0x7f10f08d90d8 in libmatroska::KaxInternalBlock::ReadData(libebml::IOCallback&, libebml::ScopeMode) src/KaxBlock.cpp:497

Indirect leak of 8 byte(s) in 1 object(s) allocated from:
    [#0](https://code.videolan.org/videolan/vlc/-/issues/0) 0x7f10faed0bf0 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc2bf0)
    [#1](https://code.videolan.org/videolan/vlc/-/issues/1) 0x7f10f08da165 in __gnu_cxx::new_allocator<libmatroska::DataBuffer*>::allocate(unsigned long, void const*) /usr/include/c++/6/ext/new_allocator.h:104
    [#2](https://code.videolan.org/videolan/vlc/-/issues/2) 0x7f10f08da165 in std::allocator_traits<std::allocator<libmatroska::DataBuffer*> >::allocate(std::allocator<libmatroska::DataBuffer*>&, unsigned long) /usr/include/c++/6/bits/alloc_traits.h:416
    [#3](https://code.videolan.org/videolan/vlc/-/issues/3) 0x7f10f08da165 in std::_Vector_base<libmatroska::DataBuffer*, std::allocator<libmatroska::DataBuffer*> >::_M_allocate(unsigned long) /usr/include/c++/6/bits/stl_vector.h:170
    [#4](https://code.videolan.org/videolan/vlc/-/issues/4) 0x7f10f08da165 in void std::vector<libmatroska::DataBuffer*, std::allocator<libmatroska::DataBuffer*> >::_M_emplace_back_aux<libmatroska::DataBuffer*>(libmatroska::DataBuffer*&&) /usr/include/c++/6/bits/vector.tcc:412

Indirect leak of 4 byte(s) in 1 object(s) allocated from:
    [#0](https://code.videolan.org/videolan/vlc/-/issues/0) 0x7f10faed0bf0 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc2bf0)
    [#1](https://code.videolan.org/videolan/vlc/-/issues/1) 0x7f10f08d9ffe in __gnu_cxx::new_allocator<int>::allocate(unsigned long, void const*) /usr/include/c++/6/ext/new_allocator.h:104
    [#2](https://code.videolan.org/videolan/vlc/-/issues/2) 0x7f10f08d9ffe in std::allocator_traits<std::allocator<int> >::allocate(std::allocator<int>&, unsigned long) /usr/include/c++/6/bits/alloc_traits.h:416
    [#3](https://code.videolan.org/videolan/vlc/-/issues/3) 0x7f10f08d9ffe in std::_Vector_base<int, std::allocator<int> >::_M_allocate(unsigned long) /usr/include/c++/6/bits/stl_vector.h:170
    [#4](https://code.videolan.org/videolan/vlc/-/issues/4) 0x7f10f08d9ffe in std::vector<int, std::allocator<int> >::_M_default_append(unsigned long) /usr/include/c++/6/bits/vector.tcc:557

SUMMARY: AddressSanitizer: 257 byte(s) leaked in 5 allocation(s).

assigned to @FilipRoseen-refp and unassigned @MigrationBot

Patch submitted to vlc-devel:

= `37fdb03acd` =	[[http://git.videolan.org/?p=vlc.git;a=commit;h=37fdb03acd3ec85f73edf6741c97b1a05dc4e197	mkv/demux: Ebml_Parser: fix #18001 (closed) (memory-leak)]]

added Status::fixed label

closed

changed milestone to %3.0 FF

Milestone renamed

MKV memory leak

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