Created attachment 395674 [details] Crash file One of our internal applications access a service via GRPC-Web over HTTP/2 (Website & API aren't public so I can't provide an easy public reproduction but it reproduces 100% of the time) it was working correctly before a technical upgrade on our side but is now crashing the network process of safari. This problem has also been noticed by multiple envoy users see https://github.com/envoyproxy/envoy/issues/10514 and https://github.com/grpc/grpc-web/issues/759 The message visible in the safari console is : Failed to load resource: WebKit encountered an internal error The message in the system log is: WebLoaderStrategy::networkProcessCrashed The crash report generated are joined & all exhibit the following: --- Crashed Thread: 5 Dispatch queue: com.apple.CFNetwork.HTTP2.HTTP2Stream Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY Termination Signal: Segmentation fault: 11 Termination Reason: Namespace SIGNAL, Code 0xb Terminating Process: exc handler [57872] --- Other info: This endpoint is hosted inside kubernetes & recently switched from envoy 1.12 to 1.13 Safari: 13.0.5 (14608.5.12) Mac: Mojave 10.14.6 (18G3020), also reproduced on Catalina
Also sent via apple FeedbackAssistant FB7654794
Thank you! This issue is below WebKit, so it will continue to be tracked internally by Apple via your Feedback Assistant report. rdar://problem/61383605