Crash under IPC::isValidMessageName(): Thread 19 Crashed:: Dispatch queue: com.apple.IPC.ReceiveQueue 0 com.apple.WebKit 0x00007fff39e46ffd IPC::isValidMessageName(IPC::MessageName) + 469 1 com.apple.WebKit 0x00007fff39d994b2 IPC::Decoder::Decoder(unsigned char const*, unsigned long, void (*)(unsigned char const*, unsigned long), WTF::Vector<IPC::Attachment, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&&) + 292 2 com.apple.WebKit 0x00007fff39d99358 IPC::Decoder::create(unsigned char const*, unsigned long, void (*)(unsigned char const*, unsigned long), WTF::Vector<IPC::Attachment, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&&) + 64 3 com.apple.WebKit 0x00007fff39e6e13c invocation function for block in IPC::Connection::open() + 508 4 libdispatch.dylib 0x00007fff6903bfb7 _dispatch_client_callout + 8 5 libdispatch.dylib 0x00007fff6903e84d _dispatch_continuation_pop + 423 6 libdispatch.dylib 0x00007fff6904eaed _dispatch_source_invoke + 2079 7 libdispatch.dylib 0x00007fff69041b5f _dispatch_lane_serial_drain + 263 8 libdispatch.dylib 0x00007fff69042783 _dispatch_lane_invoke + 375 9 libdispatch.dylib 0x00007fff6904c1db _dispatch_workloop_worker_thread + 668 10 libsystem_pthread.dylib 0x00007fff692bb4f2 _pthread_wqthread + 314 11 libsystem_pthread.dylib 0x00007fff692ba4c3 start_wqthread + 15
<rdar://problem/64773416>
Created attachment 403108 [details] Patch
Created attachment 403114 [details] Patch
Created attachment 403117 [details] Patch
Comment on attachment 403117 [details] Patch r=me
Committed r263807: <https://trac.webkit.org/changeset/263807> All reviewed patches have been landed. Closing bug and clearing flags on attachment 403117 [details].