Status: Untriaged Owner: ---- Labels: Type-Bug Pri-2 OS-All Area-Misc Purify
New issue 7394 by [email protected]: UMR in unit_tests.exe - PluginRequestInterceptor::MaybeIntercept (WriteFile) http://code.google.com/p/chromium/issues/detail?id=7394 Unfortunately, I can't pin down exactly when this happened because purify was crashing/hanging near when the error started. It first appeared in build 1910: http://build.chromium.org/buildbot/waterfall/builders/XP%20Unit%20(purify)/builds/1910 but could have shown up in either of the previous two builds as well: http://build.chromium.org/buildbot/waterfall/builders/XP%20Unit%20(purify)/builds/1909 http://build.chromium.org/buildbot/waterfall/builders/XP%20Unit%20(purify)/builds/1908 From my quick look, none of the checkins really stands out as a likely cause. 05:52:59 purify_analyze.py [ERROR] 1 new 'Uninitialized Memory Read(UMR)' errors found Uninitialized memory read in WriteFile Error Location ... chrome/browser/chrome_plugin_host.cc:116 PluginRequestInterceptor::MaybeIntercept(URLRequest *) net/url_request/url_request_job_manager.cc:76 URLRequestJobManager::CreateJob(URLRequest *)const net/url_request/url_request.cc:213 URLRequest::Start(void) chrome/browser/renderer_host/resource_dispatcher_host.cc:842 ResourceDispatcherHost::BeginRequestInternal(URLRequest *,bool) chrome/browser/renderer_host/resource_dispatcher_host.cc:304 ResourceDispatcherHost::BeginRequest(Sender::Message::IPC *,void *,int,int,int,ViewHostMsg_Resource_Request const&,URLRequestContext *,Message::IPC *) chrome/browser/resource_message_filter.cc:299 ResourceMessageFilter::OnRequestResource(Message::IPC const&,int,ViewHostMsg_Resource_Request const&) chrome/common/ipc_message_utils.h:1065 ?dispa...@vresourcemessagefilter@@HABUViewHostMsg_Resource_Request@@@?$messagewithtu...@u? $tup...@huviewhostmsg_resource_request@@@@@IPC@@sa_npbvmess...@1@PAVResourceMessageFilter@@p...@aexabv21@HABUViewHostMsg_Resource_Request@@@z...@z chrome/browser/resource_message_filter.cc:161 ResourceMessageFilter::OnMessageReceived(Message::IPC const&) chrome/common/ipc_channel_proxy.cc:49 IPC::ChannelProxy::Context::TryFilters(Message::IPC const&) chrome/common/ipc_sync_channel.cc:291 IPC::SyncChannel::SyncContext::OnMessageReceived(Message::IPC const&) chrome/common/ipc_channel_win.cc:306 IPC::Channel::ChannelImpl::ProcessIncomingMessages(IOContext::MessagePumpForIO::base *,DWORD) chrome/common/ipc_channel_win.cc:400 IPC::Channel::ChannelImpl::OnIOCompleted(IOContext::MessagePumpForIO::base *,DWORD,DWORD) base/message_pump_win.cc:504 base::MessagePumpForIO::WaitForIOCompletion(DWORD,IOHandler::MessagePumpForIO::base *) base/message_pump_win.cc:449 base::MessagePumpForIO::DoRunLoop(void) base/message_pump_win.cc:52 base::MessagePumpWin::RunWithDispatcher(Delegate::MessagePump::base *,Dispatcher::MessagePumpWin::base *) base/message_pump_win.h:78 base::MessagePumpWin::Run(Delegate::MessagePump::base *) base/message_loop.cc:197 MessageLoop::RunInternal(void) base/message_loop.cc:180 MessageLoop::RunHandler(void) base/message_loop.cc:154 MessageLoop::Run(void) base/thread.cc:156 base::Thread::ThreadMain(void) base/platform_thread_win.cc:26 ThreadFunc(void *) Alloc Location ... chrome/browser/chrome_plugin_host.cc:116 PluginRequestInterceptor::MaybeIntercept(URLRequest *) net/url_request/url_request_job_manager.cc:76 URLRequestJobManager::CreateJob(URLRequest *)const net/url_request/url_request.cc:213 URLRequest::Start(void) chrome/browser/renderer_host/resource_dispatcher_host.cc:842 ResourceDispatcherHost::BeginRequestInternal(URLRequest *,bool) chrome/browser/renderer_host/resource_dispatcher_host.cc:304 ResourceDispatcherHost::BeginRequest(Sender::Message::IPC *,void *,int,int,int,ViewHostMsg_Resource_Request const&,URLRequestContext *,Message::IPC *) chrome/browser/resource_message_filter.cc:299 ResourceMessageFilter::OnRequestResource(Message::IPC const&,int,ViewHostMsg_Resource_Request const&) chrome/common/ipc_message_utils.h:1065 ?dispa...@vresourcemessagefilter@@HABUViewHostMsg_Resource_Request@@@?$messagewithtu...@u? $tup...@huviewhostmsg_resource_request@@@@@IPC@@sa_npbvmess...@1@PAVResourceMessageFilter@@p...@aexabv21@HABUViewHostMsg_Resource_Request@@@z...@z chrome/browser/resource_message_filter.cc:161 ResourceMessageFilter::OnMessageReceived(Message::IPC const&) chrome/common/ipc_channel_proxy.cc:49 IPC::ChannelProxy::Context::TryFilters(Message::IPC const&) chrome/common/ipc_sync_channel.cc:291 IPC::SyncChannel::SyncContext::OnMessageReceived(Message::IPC const&) chrome/common/ipc_channel_win.cc:306 IPC::Channel::ChannelImpl::ProcessIncomingMessages(IOContext::MessagePumpForIO::base *,DWORD) chrome/common/ipc_channel_win.cc:400 IPC::Channel::ChannelImpl::OnIOCompleted(IOContext::MessagePumpForIO::base *,DWORD,DWORD) base/message_pump_win.cc:504 base::MessagePumpForIO::WaitForIOCompletion(DWORD,IOHandler::MessagePumpForIO::base *) base/message_pump_win.cc:449 base::MessagePumpForIO::DoRunLoop(void) base/message_pump_win.cc:52 base::MessagePumpWin::RunWithDispatcher(Delegate::MessagePump::base *,Dispatcher::MessagePumpWin::base *) base/message_pump_win.h:78 base::MessagePumpWin::Run(Delegate::MessagePump::base *) base/message_loop.cc:197 MessageLoop::RunInternal(void) base/message_loop.cc:180 MessageLoop::RunHandler(void) base/message_loop.cc:154 MessageLoop::Run(void) base/thread.cc:156 base::Thread::ThreadMain(void) base/platform_thread_win.cc:26 ThreadFunc(void *) -- You received this message because you are listed in the owner or CC fields of this issue, or because you starred this issue. 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