[Webkit-unassigned] [Bug 229444] New: Crash in [RBSTarget targetWithPid:] during WebProcessProxy::shutDown
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Aug 24 08:29:39 PDT 2021
https://bugs.webkit.org/show_bug.cgi?id=229444
Bug ID: 229444
Summary: Crash in [RBSTarget targetWithPid:] during
WebProcessProxy::shutDown
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: WebKit2
Assignee: webkit-unassigned at lists.webkit.org
Reporter: ajuma at chromium.org
CC: achristensen at apple.com, cdumez at apple.com,
kkinnunen at apple.com
Chrome for iOS is getting crash reports with the following stack, including on iOS 15 beta 6. The thrown exception is: 'must specify a valid pid'. Since r259717 ensures the pid is non-zero, perhaps there are cases where the process has already died by the time we try to take an assertion.
0x000000018fa2e708 (CoreFoundation + 0x00129708) __exceptionPreprocess
0x00000001a45387a4 (libobjc.A.dylib + 0x000287a4) objc_exception_throw
0x000000018f9303b4 (CoreFoundation + 0x0002b3b4) +[NSException raise:format:arguments:]
0x0000000190d064c0 (Foundation + 0x0007e4c0) -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:]
0x0000000198e25188 (RunningBoardServices + 0x00027188) +[RBSTarget targetWithProcessIdentifier:]
0x0000000198e2507c (RunningBoardServices + 0x0002707c) +[RBSTarget targetWithPid:]
0x000000019c203588 (WebKit + 0x003eb588) WebKit::ProcessAssertion::ProcessAssertion(int, WTF::String const&, WebKit::ProcessAssertionType)
0x000000019c203f2c (WebKit + 0x003ebf2c) WebKit::ProcessAndUIAssertion::ProcessAndUIAssertion(int, WTF::String const&, WebKit::ProcessAssertionType)
0x000000019bf1fb78 (WebKit + 0x00107b78) IPC::ConnectionTerminationWatchdog::ConnectionTerminationWatchdog(WTF::OSObjectPtr<NSObject<OS_xpc_object>*>&, WTF::Seconds)
0x000000019bf1c0c0 (WebKit + 0x001040c0) IPC::ConnectionTerminationWatchdog::createConnectionTerminationWatchdog(WTF::OSObjectPtr<NSObject<OS_xpc_object>*>&, WTF::Seconds)
0x000000019c11e378 (WebKit + 0x00306378) WebKit::AuxiliaryProcessProxy::shutDownProcess()
0x000000019c1da3f0 (WebKit + 0x003c23f0) WebKit::WebProcessProxy::shutDown()
0x000000019c1e7b48 (WebKit + 0x003cfb48) WebKit::WebProcessProxy::processDidTerminateOrFailedToLaunch()
0x000000019c1e78c0 (WebKit + 0x003cf8c0) WebKit::WebProcessProxy::didClose(IPC::Connection&)
0x000000019be4c524 (WebKit + 0x00034524) WTF::Detail::CallableWrapper<IPC::Connection::connectionDidClose()::$_6, void>::call()
0x0000000199dae15c (JavaScriptCore + 0x00f6515c) WTF::RunLoop::performWork()
0x0000000199daf12c (JavaScriptCore + 0x00f6612c) WTF::RunLoop::performWork(void*)
0x000000018f9a898c (CoreFoundation + 0x000a398c) __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
0x000000018f9a8888 (CoreFoundation + 0x000a3888) __CFRunLoopDoSource0
0x000000018f9a7b8c (CoreFoundation + 0x000a2b8c) __CFRunLoopDoSources0
0x000000018f9a1b6c (CoreFoundation + 0x0009cb6c) __CFRunLoopRun
0x000000018f9a1304 (CoreFoundation + 0x0009c304) CFRunLoopRunSpecific
0x00000001a7024730 (GraphicsServices + 0x00003730) GSEventRunModal
0x000000019241f758 (UIKitCore + 0x00bca758) -[UIApplication _run]
0x0000000192424fc8 (UIKitCore + 0x00bcffc8) UIApplicationMain
0x00000001007d0bac (Chrome -chrome_exe_main.mm:65) main
0x000000018f65dcf4 (libdyld.dylib + 0x00001cf4) start
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