From bruen...@google.com on June 21, 2011 11:44:44

running chrome cross_fuzz I see a lot of possible and direct 32-byte leaks from various callers that end in these top 2 frames:

Error #60: LEAK 32 direct bytes 0x1a519b68-0x1a519b88 + 0 indirect bytes
0x77057ea9 <ntdll.dll+0x37ea9> ntdll.dll!RtlRunOnceBeginInitialize
??:0
0x77052601 <ntdll.dll+0x32601> ntdll.dll!RtlInitializeCriticalSectionAndSpinCount
??:0
0x76ac0060 <KERNELBASE.dll+0x10060> KERNELBASE.dll!InitializeCriticalSectionAndSpinCount
??:0
0x5f5f1ac0 <chrome.dll+0x1f11ac0> chrome.dll!base::internal::LockImpl::LockImpl
e:\src\chromium\src\base\synchronization\lock_impl_win.cc:13
0x5f5f0e69 <chrome.dll+0x1f10e69> chrome.dll!base::Lock::Lock
e:\src\chromium\src\base\synchronization\lock.cc:16
0x5f1f8671 <chrome.dll+0x1b18671> chrome.dll!net::SyncHostResolverBridge::Core::Core
e:\src\chromium\src\net\proxy\sync_host_resolver_bridge.cc:83
0x5f1f8c78 <chrome.dll+0x1b18c78> chrome.dll!net::SyncHostResolverBridge::SyncHostResolverBridge
e:\src\chromium\src\net\proxy\sync_host_resolver_bridge.cc:155
0x5f0eb184 <chrome.dll+0x1a0b184> chrome.dll!net::`anonymous namespace'::ProxyResolverFactoryForV8::CreateProxyResolver
e:\src\chromium\src\net\proxy\proxy_service.cc:189
0x5f1e49b6 <chrome.dll+0x1b049b6> chrome.dll!net::MultiThreadedProxyResolver::AddNewExecutor
e:\src\chromium\src\net\proxy\multi_threaded_proxy_resolver.cc:551
0x5f1e2dc5 <chrome.dll+0x1b02dc5> chrome.dll!net::MultiThreadedProxyResolver::GetProxyForURL
e:\src\chromium\src\net\proxy\multi_threaded_proxy_resolver.cc:431
0x5f0ecb28 <chrome.dll+0x1a0cb28> chrome.dll!net::ProxyService::PacRequest::Start
e:\src\chromium\src\net\proxy\proxy_service.cc:298
0x5f0ed7a1 <chrome.dll+0x1a0d7a1> chrome.dll!net::ProxyService::PacRequest::StartAndCompleteCheckingForSynchronous
e:\src\chromium\src\net\proxy\proxy_service.cc:309

more examples:

Error #9: POSSIBLE LEAK 32 direct bytes 0x008c0400-0x008c0420 + 0 indirect bytes
0x77057ea9 <ntdll.dll+0x37ea9> ntdll.dll!RtlRunOnceBeginInitialize
??:0
0x77052601 <ntdll.dll+0x32601> ntdll.dll!RtlInitializeCriticalSectionAndSpinCount
??:0
0x752581d6 <RPCRT4.dll+0x181d6> RPCRT4.dll!NDRCContextMarshall
??:0
0x7525af3b <RPCRT4.dll+0x1af3b> RPCRT4.dll!RpcBindingFree
??:0
0x75260c93 <RPCRT4.dll+0x20c93> RPCRT4.dll!NdrConformantVaryingArrayBufferSize
??:0
0x75261347 <RPCRT4.dll+0x21347> RPCRT4.dll!RpcBindingFromStringBindingW
??:0
0x75261165 <RPCRT4.dll+0x21165> RPCRT4.dll!NdrConformantVaryingArrayBufferSize
??:0
0x7526122a <RPCRT4.dll+0x2122a> RPCRT4.dll!RpcBindingFromStringBindingW
??:0
0x74566a31 <WINHTTP.dll+0x6a31> WINHTTP.dll!WinHttpSetStatusCallback
??:0
0x745669ac <WINHTTP.dll+0x69ac> WINHTTP.dll!WinHttpSetStatusCallback
??:0
0x7456678e <WINHTTP.dll+0x678e> WINHTTP.dll!WinHttpSetStatusCallback
??:0
0x7457298e <WINHTTP.dll+0x1298e> WINHTTP.dll!WinHttpGetIEProxyConfigForCurrentUser
??:0

Error #45: LEAK 32 direct bytes 0x1a4c8a58-0x1a4c8a78 + 0 indirect bytes
0x77057ea9 <ntdll.dll+0x37ea9> ntdll.dll!RtlRunOnceBeginInitialize
??:0
0x77052601 <ntdll.dll+0x32601> ntdll.dll!RtlInitializeCriticalSectionAndSpinCount
??:0
0x76ac0060 <KERNELBASE.dll+0x10060> KERNELBASE.dll!InitializeCriticalSectionAndSpinCount
??:0
0x5f5f1ac0 <chrome.dll+0x1f11ac0> chrome.dll!base::internal::LockImpl::LockImpl
e:\src\chromium\src\base\synchronization\lock_impl_win.cc:13
0x5f5f0e69 <chrome.dll+0x1f10e69> chrome.dll!base::Lock::Lock
e:\src\chromium\src\base\synchronization\lock.cc:16
0x5ff1c789 <chrome.dll+0x283c789> chrome.dll!content_settings::PrefDefaultProvider::PrefDefaultProvider
e:\src\chromium\src\chrome\browser\content_settings\content_settings_pref_provider.cc:93
0x5fab4e49 <chrome.dll+0x23d4e49> chrome.dll!HostContentSettingsMap::HostContentSettingsMap
e:\src\chromium\src\chrome\browser\content_settings\host_content_settings_map.cc:72
0x5fbb6b12 <chrome.dll+0x24d6b12> chrome.dll!ProfileImpl::GetHostContentSettingsMap
e:\src\chromium\src\chrome\browser\profiles\profile_impl.cc:947
0x5fb2c26c <chrome.dll+0x244c26c> chrome.dll!ProfileIOData::InitializeProfileParams
e:\src\chromium\src\chrome\browser\profiles\profile_io_data.cc:207
0x600104d3 <chrome.dll+0x29304d3> chrome.dll!ProfileImplIOData::Handle::LazyInitialize
e:\src\chromium\src\chrome\browser\profiles\profile_impl_io_data.cc:144
0x6000fffa <chrome.dll+0x292fffa> chrome.dll!ProfileImplIOData::Handle::GetMainRequestContextGetter
e:\src\chromium\src\chrome\browser\profiles\profile_impl_io_data.cc:88
0x5fbb65e2 <chrome.dll+0x24d65e2> chrome.dll!ProfileImpl::GetRequestContext
e:\src\chromium\src\chrome\browser\profiles\profile_impl.cc:866

Error #52: POSSIBLE LEAK 32 direct bytes 0x1a50fcf0-0x1a50fd10 + 0 indirect bytes
0x77057ea9 <ntdll.dll+0x37ea9> ntdll.dll!RtlRunOnceBeginInitialize
??:0
0x77052601 <ntdll.dll+0x32601> ntdll.dll!RtlInitializeCriticalSectionAndSpinCount
??:0
0x752581d6 <RPCRT4.dll+0x181d6> RPCRT4.dll!NDRCContextMarshall
??:0
0x7525af3b <RPCRT4.dll+0x1af3b> RPCRT4.dll!RpcBindingFree
??:0
0x75260c93 <RPCRT4.dll+0x20c93> RPCRT4.dll!NdrConformantVaryingArrayBufferSize
??:0
0x75261c04 <RPCRT4.dll+0x21c04> RPCRT4.dll!RpcBindingSetAuthInfoExW
??:0
0x7525b98b <RPCRT4.dll+0x1b98b> RPCRT4.dll!I_RpcBindingCopy
??:0
0x75258314 <RPCRT4.dll+0x18314> RPCRT4.dll!NDRCContextMarshall
??:0
0x75258282 <RPCRT4.dll+0x18282> RPCRT4.dll!NDRCContextMarshall
??:0
0x75258247 <RPCRT4.dll+0x18247> RPCRT4.dll!NDRCContextMarshall
??:0
0x75257116 <RPCRT4.dll+0x17116> RPCRT4.dll!NdrClientInitialize
??:0
0x752f015a <RPCRT4.dll+0xb015a> RPCRT4.dll!Ordinal512
??:0

Original issue: http://code.google.com/p/drmemory/issues/detail?id=466