=================================================================
==28553==ERROR: AddressSanitizer: heap-use-after-free on address 0x60b00000b530 at pc 0x7fc7d21e6707 bp 0x7fffbb49e6a0 sp 0x7fffbb49e698
READ of size 8 at 0x60b00000b530 thread T0 (chrome)
    #0 0x7fc7d21e6706 in gpu::gles2::MailboxManagerImpl::ProduceTexture(gpu::Mailbox const&, gpu::gles2::Texture*) gpu/command_buffer/service/mailbox_manager_impl.cc:39:21
    #1 0x7fc7d21b5ea3 in gpu::gles2::GLES2DecoderImpl::DoProduceTextureDirectCHROMIUM(unsigned int, unsigned int, signed char const*) gpu/command_buffer/service/gles2_cmd_decoder.cc:13730:3
    #2 0x7fc7d213e809 in gpu::gles2::GLES2DecoderImpl::HandleProduceTextureDirectCHROMIUMImmediate(unsigned int, void const*) gpu/command_buffer/service/gles2_cmd_decoder_autogen.h:4627:3
    #3 0x7fc7d2173d3a in gpu::error::Error gpu::gles2::GLES2DecoderImpl::DoCommandsImpl<false>(unsigned int, void const*, int, int*) gpu/command_buffer/service/gles2_cmd_decoder.cc:4603:18
    #4 0x7fc7d2287ed0 in gpu::CommandParser::ProcessCommands(int) gpu/command_buffer/service/cmd_parser.cc:51:25
    #5 0x7fc7d21d5c7e in gpu::GpuScheduler::PutChanged() gpu/command_buffer/service/gpu_scheduler.cc:60:13
    #6 0x7fc7d2069ede in content::GpuCommandBufferStub::OnAsyncFlush(int, unsigned int, std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > const&) content/common/gpu/gpu_command_buffer_stub.cc:841:3
    #7 0x7fc7d2062685 in DispatchToMethodImpl<content::GpuCommandBufferStub, void (content::GpuCommandBufferStub::*)(int, unsigned int, const std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > &), int, unsigned int, std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > , 0, 1, 2> base/tuple.h:254:3
    #8 0x7fc7d2062685 in DispatchToMethod<content::GpuCommandBufferStub, void (content::GpuCommandBufferStub::*)(int, unsigned int, const std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > &), int, unsigned int, std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > > base/tuple.h:261:0
    #9 0x7fc7d2062685 in Dispatch<content::GpuCommandBufferStub, content::GpuCommandBufferStub, void, void (content::GpuCommandBufferStub::*)(int, unsigned int, const std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > &)> content/common/gpu/gpu_messages.h:570:0
    #10 0x7fc7d2062685 in content::GpuCommandBufferStub::OnMessageReceived(IPC::Message const&) content/common/gpu/gpu_command_buffer_stub.cc:304:0
    #11 0x7fc7d2033387 in content::MessageRouter::RouteMessage(IPC::Message const&) content/common/message_router.cc:54:10
    #12 0x7fc7d204ca7e in content::GpuChannel::HandleMessage() content/common/gpu/gpu_channel.cc:842:15
    #13 0x7fc7c5f2b084 in Run base/callback.h:396:12
    #14 0x7fc7c5f2b084 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) base/debug/task_annotator.cc:51:0
    #15 0x7fc7c5e40d3f in base::MessageLoop::RunTask(base::PendingTask const&) base/message_loop/message_loop.cc:481:3
    #16 0x7fc7c5e421c4 in DeferOrRunPendingTask base/message_loop/message_loop.cc:490:5
    #17 0x7fc7c5e421c4 in base::MessageLoop::DoWork() base/message_loop/message_loop.cc:602:0
    #18 0x7fc7c5f26d46 in HandleDispatch base/message_loop/message_pump_glib.cc:267:7
    #19 0x7fc7c5f26d46 in base::(anonymous namespace)::WorkSourceDispatch(_GSource*, int (*)(void*), void*) base/message_loop/message_pump_glib.cc:109:0
    #20 0x7fc7c1acfe03 in g_main_context_dispatch ??:0:0

0x60b00000b530 is located 32 bytes inside of 104-byte region [0x60b00000b510,0x60b00000b578)
freed by thread T0 (chrome) here:
    #0 0x7fc7c5187c9b in operator delete(void*) ??:0:0
    #1 0x7fc7d21e6f0b in __deallocate buildtools/third_party/libc++/trunk/include/new:164:3
    #2 0x7fc7d21e6f0b in deallocate buildtools/third_party/libc++/trunk/include/memory:1636:0
    #3 0x7fc7d21e6f0b in deallocate buildtools/third_party/libc++/trunk/include/memory:1447:0
    #4 0x7fc7d21e6f0b in erase buildtools/third_party/libc++/trunk/include/__tree:1986:0
    #5 0x7fc7d21e6f0b in erase buildtools/third_party/libc++/trunk/include/__tree:1995:0
    #6 0x7fc7d21e6f0b in erase buildtools/third_party/libc++/trunk/include/map:1816:0
    #7 0x7fc7d21e6f0b in gpu::gles2::MailboxManagerImpl::TextureDeleted(gpu::gles2::Texture*) gpu/command_buffer/service/mailbox_manager_impl.cc:66:0
    #8 0x7fc7d225b71c in ~Texture gpu/command_buffer/service/texture_manager.cc:346:5
    #9 0x7fc7d225b71c in gpu::gles2::Texture::RemoveTextureRef(gpu::gles2::TextureRef*, bool) gpu/command_buffer/service/texture_manager.cc:370:0
    #10 0x7fc7d227090c in ~TextureRef gpu/command_buffer/service/texture_manager.cc:1341:3
    #11 0x7fc7d227090c in Release base/memory/ref_counted.h:134:0
    #12 0x7fc7d227090c in Release base/memory/ref_counted.h:403:0
    #13 0x7fc7d227090c in ~scoped_refptr base/memory/ref_counted.h:298:0
    #14 0x7fc7d227090c in ~pair buildtools/third_party/libc++/trunk/include/utility:248:0
    #15 0x7fc7d227090c in __destroy<std::__1::pair<unsigned int, scoped_refptr<gpu::gles2::TextureRef> > > buildtools/third_party/libc++/trunk/include/memory:1589:0
    #16 0x7fc7d227090c in destroy<std::__1::pair<unsigned int, scoped_refptr<gpu::gles2::TextureRef> > > buildtools/third_party/libc++/trunk/include/memory:1487:0
    #17 0x7fc7d227090c in std::__1::__hash_table<std::__1::pair<unsigned int, scoped_refptr<gpu::gles2::TextureRef> >, __gnu_cxx::__hash_map_hasher<std::__1::pair<unsigned int, scoped_refptr<gpu::gles2::TextureRef> >, base_hash::hash<unsigned int>, true>, __gnu_cxx::__hash_map_equal<std::__1::pair<unsigned int, scoped_refptr<gpu::gles2::TextureRef> >, std::__1::equal_to<unsigned int>, true>, std::__1::allocator<std::__1::pair<unsigned int, scoped_refptr<gpu::gles2::TextureRef> > > >::__deallocate(std::__1::__hash_node<std::__1::pair<unsigned int, scoped_refptr<gpu::gles2::TextureRef> >, void*>*) buildtools/third_party/libc++/trunk/include/__hash_table:1343:0
    #18 0x7fc7d225a61a in clear buildtools/third_party/libc++/trunk/include/__hash_table:1582:9
    #19 0x7fc7d225a61a in clear buildtools/third_party/libc++/trunk/include/ext/hash_map:581:0
    #20 0x7fc7d225a61a in gpu::gles2::TextureManager::Destroy(bool) gpu/command_buffer/service/texture_manager.cc:297:0
    #21 0x7fc7d20d9ee3 in gpu::gles2::ContextGroup::Destroy(gpu::gles2::GLES2Decoder*, bool) gpu/command_buffer/service/context_group.cc:355:5
    #22 0x7fc7d216f874 in gpu::gles2::GLES2DecoderImpl::Destroy(bool) gpu/command_buffer/service/gles2_cmd_decoder.cc:4320:5
    #23 0x7fc7d2061723 in content::GpuCommandBufferStub::Destroy() content/common/gpu/gpu_command_buffer_stub.cc:503:5
    #24 0x7fc7d20605b5 in content::GpuCommandBufferStub::~GpuCommandBufferStub() content/common/gpu/gpu_command_buffer_stub.cc:258:3
    #25 0x7fc7d2061bad in content::GpuCommandBufferStub::~GpuCommandBufferStub() content/common/gpu/gpu_command_buffer_stub.cc:257:47
    #26 0x7fc7d20575f8 in operator() base/memory/scoped_ptr.h:128:5
    #27 0x7fc7d20575f8 in reset base/memory/scoped_ptr.h:244:0
    #28 0x7fc7d20575f8 in ~scoped_ptr_impl base/memory/scoped_ptr.h:229:0
    #29 0x7fc7d20575f8 in ~scoped_ptr base/memory/scoped_ptr.h:307:0
    #30 0x7fc7d20575f8 in content::GpuChannel::OnDestroyCommandBuffer(int) content/common/gpu/gpu_channel.cc:993:0
    #31 0x7fc7d20554ae in DispatchToMethodImpl<content::GpuChannel, void (content::GpuChannel::*)(int), int, 0> base/tuple.h:320:3
    #32 0x7fc7d20554ae in DispatchToMethod<content::GpuChannel, void (content::GpuChannel::*)(int), int> base/tuple.h:329:0
    #33 0x7fc7d20554ae in DispatchWithSendParams<content::GpuChannel, content::GpuChannel, void (content::GpuChannel::*)(int)> ipc/ipc_message_utils.h:1026:0
    #34 0x7fc7d20554ae in Dispatch<content::GpuChannel, content::GpuChannel, void, void (content::GpuChannel::*)(int)> content/common/gpu/gpu_messages.h:500:0
    #35 0x7fc7d20554ae in content::GpuChannel::OnControlMessageReceived(IPC::Message const&) content/common/gpu/gpu_channel.cc:787:0
    #36 0x7fc7d204c9e9 in content::GpuChannel::HandleMessage() content/common/gpu/gpu_channel.cc:827:15
    #37 0x7fc7c5f2b084 in Run base/callback.h:396:12
    #38 0x7fc7c5f2b084 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) base/debug/task_annotator.cc:51:0
    #39 0x7fc7c5e40d3f in base::MessageLoop::RunTask(base::PendingTask const&) base/message_loop/message_loop.cc:481:3
    #40 0x7fc7c5e421c4 in DeferOrRunPendingTask base/message_loop/message_loop.cc:490:5
    #41 0x7fc7c5e421c4 in base::MessageLoop::DoWork() base/message_loop/message_loop.cc:602:0
    #42 0x7fc7c5f26d46 in HandleDispatch base/message_loop/message_pump_glib.cc:267:7
    #43 0x7fc7c5f26d46 in base::(anonymous namespace)::WorkSourceDispatch(_GSource*, int (*)(void*), void*) base/message_loop/message_pump_glib.cc:109:0
    #44 0x7fc7c1acfe03 in g_main_context_dispatch ??:0:0

previously allocated by thread T0 (chrome) here:
    #0 0x7fc7c51876db in operator new(unsigned long) ??:0:0
    #1 0x7fc7d21e681f in __allocate buildtools/third_party/libc++/trunk/include/new:156:10
    #2 0x7fc7d21e681f in allocate buildtools/third_party/libc++/trunk/include/memory:1634:0
    #3 0x7fc7d21e681f in allocate buildtools/third_party/libc++/trunk/include/memory:1439:0
    #4 0x7fc7d21e681f in __construct_node<std::__1::pair<gpu::gles2::Texture *, gpu::Mailbox> > buildtools/third_party/libc++/trunk/include/__tree:1730:0
    #5 0x7fc7d21e681f in __insert_multi<std::__1::pair<gpu::gles2::Texture *, gpu::Mailbox> > buildtools/third_party/libc++/trunk/include/__tree:1828:0
    #6 0x7fc7d21e681f in insert<std::__1::pair<gpu::gles2::Texture *, gpu::Mailbox>, void> buildtools/third_party/libc++/trunk/include/map:1777:0
    #7 0x7fc7d21e681f in gpu::gles2::MailboxManagerImpl::InsertTexture(gpu::Mailbox const&, gpu::gles2::Texture*) gpu/command_buffer/service/mailbox_manager_impl.cc:52:0
    #8 0x7fc7d21b5ea3 in gpu::gles2::GLES2DecoderImpl::DoProduceTextureDirectCHROMIUM(unsigned int, unsigned int, signed char const*) gpu/command_buffer/service/gles2_cmd_decoder.cc:13730:3
    #9 0x7fc7d213e809 in gpu::gles2::GLES2DecoderImpl::HandleProduceTextureDirectCHROMIUMImmediate(unsigned int, void const*) gpu/command_buffer/service/gles2_cmd_decoder_autogen.h:4627:3
    #10 0x7fc7d2173d3a in gpu::error::Error gpu::gles2::GLES2DecoderImpl::DoCommandsImpl<false>(unsigned int, void const*, int, int*) gpu/command_buffer/service/gles2_cmd_decoder.cc:4603:18
    #11 0x7fc7d2287ed0 in gpu::CommandParser::ProcessCommands(int) gpu/command_buffer/service/cmd_parser.cc:51:25
    #12 0x7fc7d21d5c7e in gpu::GpuScheduler::PutChanged() gpu/command_buffer/service/gpu_scheduler.cc:60:13
    #13 0x7fc7d2069ede in content::GpuCommandBufferStub::OnAsyncFlush(int, unsigned int, std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > const&) content/common/gpu/gpu_command_buffer_stub.cc:841:3
    #14 0x7fc7d2062685 in DispatchToMethodImpl<content::GpuCommandBufferStub, void (content::GpuCommandBufferStub::*)(int, unsigned int, const std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > &), int, unsigned int, std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > , 0, 1, 2> base/tuple.h:254:3
    #15 0x7fc7d2062685 in DispatchToMethod<content::GpuCommandBufferStub, void (content::GpuCommandBufferStub::*)(int, unsigned int, const std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > &), int, unsigned int, std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > > base/tuple.h:261:0
    #16 0x7fc7d2062685 in Dispatch<content::GpuCommandBufferStub, content::GpuCommandBufferStub, void, void (content::GpuCommandBufferStub::*)(int, unsigned int, const std::__1::vector<ui::LatencyInfo, std::__1::allocator<ui::LatencyInfo> > &)> content/common/gpu/gpu_messages.h:570:0
    #17 0x7fc7d2062685 in content::GpuCommandBufferStub::OnMessageReceived(IPC::Message const&) content/common/gpu/gpu_command_buffer_stub.cc:304:0
    #18 0x7fc7d2033387 in content::MessageRouter::RouteMessage(IPC::Message const&) content/common/message_router.cc:54:10
    #19 0x7fc7d204ca7e in content::GpuChannel::HandleMessage() content/common/gpu/gpu_channel.cc:842:15
    #20 0x7fc7c5f2b084 in Run base/callback.h:396:12
    #21 0x7fc7c5f2b084 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) base/debug/task_annotator.cc:51:0
    #22 0x7fc7c5e40d3f in base::MessageLoop::RunTask(base::PendingTask const&) base/message_loop/message_loop.cc:481:3
    #23 0x7fc7c5e421c4 in DeferOrRunPendingTask base/message_loop/message_loop.cc:490:5
    #24 0x7fc7c5e421c4 in base::MessageLoop::DoWork() base/message_loop/message_loop.cc:602:0
    #25 0x7fc7c5f26d46 in HandleDispatch base/message_loop/message_pump_glib.cc:267:7
    #26 0x7fc7c5f26d46 in base::(anonymous namespace)::WorkSourceDispatch(_GSource*, int (*)(void*), void*) base/message_loop/message_pump_glib.cc:109:0
    #27 0x7fc7c1acfe03 in g_main_context_dispatch ??:0:0

SUMMARY: AddressSanitizer: heap-use-after-free (/usr/local/google/home/markbrand/chromium/src/out/Release/chrome+0xf7cf706)
Shadow bytes around the buggy address:
  0x0c167fff9650: fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa fa
  0x0c167fff9660: fd fd fd fd fd fd fd fd fd fd fd fd fd fa fa fa
  0x0c167fff9670: fa fa fa fa fa fa fd fd fd fd fd fd fd fd fd fd
  0x0c167fff9680: fd fd fd fa fa fa fa fa fa fa fa fa 00 00 00 00
  0x0c167fff9690: 00 00 00 00 00 00 00 00 00 fa fa fa fa fa fa fa
=>0x0c167fff96a0: fa fa fd fd fd fd[fd]fd fd fd fd fd fd fd fd fa
  0x0c167fff96b0: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd
  0x0c167fff96c0: fd fd fd fd fd fa fa fa fa fa fa fa fa fa fd fd
  0x0c167fff96d0: fd fd fd fd fd fd fd fd fd fd fd fa fa fa fa fa
  0x0c167fff96e0: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c167fff96f0: fd fa fa fa fa fa fa fa fa fa fd fd fd fd fd fd
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
==28553==ABORTING
[24300:24300:0324/152140:ERROR:gpu_process_transport_factory.cc(640)] Lost UI shared context.