[Webkit-unassigned] [Bug 251092] New: Webview crashes (sometimes) when modals (windows) are loading in the background

Tue Jan 24 09:14:30 PST 2023

https://bugs.webkit.org/show_bug.cgi?id=251092

            Bug ID: 251092
           Summary: Webview crashes (sometimes) when modals (windows) are
                    loading in the background
           Product: WebKit
           Version: Safari 16
          Hardware: iPhone / iPad
                OS: iOS 16
            Status: NEW
          Severity: Major
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lollollipop878 at gmail.com

I am using cordova with the Construct 3 game engine and when switching to a different window which is preloaded I experience this webkit-realted bug.

Xcode debug console error:
2023-01-24 17:15:35.778534+0100 Bluelife[25718:8527896] [ServicesDaemonManager] interruptionHandler is called. -[FontServicesDaemonManager connection]_block_invoke
2023-01-24 17:17:16.160571+0100 Bluelife[25718:8529054] [XPC] Handle connection with error: Connection interrupted
2023-01-24 17:19:07.020278+0100 Bluelife[25718:8522619] [Process] 0x10d003c60 - [PID=25721] WebProcessProxy::didClose: (web process 25721 crash)
2023-01-24 17:19:07.021206+0100 Bluelife[25718:8522619] [Process] 0x10d003c60 - [PID=25721] WebProcessProxy::processDidTerminateOrFailedToLaunch: reason=Crash
2023-01-24 17:19:07.021411+0100 Bluelife[25718:8522619] [ProcessSuspension] 0x10c01c120 - ProcessAssertion: Failed to acquire RBS Background assertion 'ConnectionTerminationWatchdog' for process because PID 0 is invalid
2023-01-24 17:19:07.022371+0100 Bluelife[25718:8522619] [Process] 0x13a039218 - [pageProxyID=14, webPageID=15, PID=25721] WebPageProxy::processDidTerminate: (pid 25721), reason=Crash
2023-01-24 17:19:07.022481+0100 Bluelife[25718:8530140] [ProcessSuspension] 0x10c01c120 - ProcessAssertion::acquireSync Failed to acquire RBS assertion 'ConnectionTerminationWatchdog' for process with PID=0, error: (null)
2023-01-24 17:19:07.042997+0100 Bluelife[25718:8530140] [assertion] Error acquiring assertion: <Error Domain=RBSServiceErrorDomain Code=1 "target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit" UserInfo={NSLocalizedFailureReason=target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit}>
2023-01-24 17:19:07.043389+0100 Bluelife[25718:8530140] [ProcessSuspension] 0x10c01c180 - ProcessAssertion::acquireSync Failed to acquire RBS assertion 'WebProcess Background Assertion' for process with PID=25721, error: Error Domain=RBSServiceErrorDomain Code=1 "target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit" UserInfo={NSLocalizedFailureReason=target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit}
2023-01-24 17:19:07.085655+0100 Bluelife[25718:8522619] [Loading] 0x13a039218 - [pageProxyID=14, webPageID=15, PID=25721] WebPageProxy::dispatchProcessDidTerminate: reason=Crash
2023-01-24 17:19:07.162310+0100 Bluelife[25718:8522619] [Process] 0x10c0744e0 - GPUProcessProxy::gpuProcessExited: reason=IdleExit
2023-01-24 17:19:07.162426+0100 Bluelife[25718:8522619] [Process] 0x10d001510 - [PID=0] WebProcessProxy::gpuProcessExited: reason=IdleExit
2023-01-24 17:19:07.165540+0100 Bluelife[25718:8522619] [Sandbox] Could not enable Mach bootstrap, errno = 1.
2023-01-24 17:19:07.165725+0100 Bluelife[25718:8522619] [Sandbox] Could not enable Mach bootstrap, errno = 1.
2023-01-24 17:19:07.719692+0100 Bluelife[25718:8522619] IAB.close() called but it was already closed.

Device crashlog:

Date/Time: 2023-01-24 17:05:47.942 +0100
End time: 2023-01-24 17:10:19.709 +0100
OS Version: iPhone OS 16.2 (Build 20C65)
Architecture: arm64e
Report Version: 40
Incident Identifier: 809899E9-41F5-4260-9C3A-F43C4389CB35

Data Source: Microstackshots
Shared Cache: D962ECAE-C2C7-30CA-A3A4-779B8ECD896A slid base address 0x185d9c000, slide 0x5d9c000
Shared Cache: E3B4ED03-39A9-349E-B41F-0C9156CC6150 slid base address 0x1dc27c000, slide 0x5c27c000

Command: com.apple.WebKit.Networking
Path: /private/preboot/Cryptexes/OS/System/Library/Frameworks/WebKit.framework/XPCServices/com.apple.WebKit.Networking.xpc/com.apple.WebKit.Networking
Identifier: com.apple.WebKit.Networking
Version: 8614 (8614.3.7.0.6)
Resource Coalition ID: 2367
Architecture: arm64
PID: 25722

Event: wakeups
Action taken: none
Wakeups: 45001 wakeups over the last 272 seconds (166 wakeups per second average), exceeding limit of 150 wakeups per second over 300 seconds
Wakeups limit: 45000
Limit duration: 300s
Wakeups caused: 45001
Wakeups duration: 272s
Duration: 271.77s
Duration Sampled: 265.75s
Steps: 135

Hardware model: iPhone12,3
Active cpus: 6
HW page size: 16384
VM page size: 16384

OS Cryptex File Extents: 3756

Heaviest stack for the target process:
2 ??? (libsystem_pthread.dylib + 2968) [0x1dac1db98]
2 ??? (libsystem_pthread.dylib + 3576) [0x1dac1ddf8]
2 ??? (libdispatch.dylib + 93712) [0x1941bbe10]
1 ??? (libdispatch.dylib + 49376) [0x1941b10e0]

Powerstats for: com.apple.WebKit.Networking [25722] [unique pid 225368]
UUID: 1FD526B8-4C03-36F3-A4D5-46B7C61B6B9D
Path: /private/preboot/Cryptexes/OS/System/Library/Frameworks/WebKit.framework/XPCServices/com.apple.WebKit.Networking.xpc/com.apple.WebKit.Networking
Identifier: com.apple.WebKit.Networking
Version: 8614 (8614.3.7.0.6)
Shared Cache: D962ECAE-C2C7-30CA-A3A4-779B8ECD896A slid base address 0x185d9c000, slide 0x5d9c000
Resource Coalition ID: 2367
Architecture: arm64
Footprint: 4272 KB -> 5248 KB (+976 KB)
Pageins: 63 pages
Start time: 2023-01-24 17:06:04.165 +0100
End time: 2023-01-24 17:10:13.894 +0100
Num samples: 6 (4%)
Primary state: 2 samples Frontmost App, Non-Suppressed, User mode, Effective Thread QoS User Initiated, Requested Thread QoS User Initiated, Override Thread QoS Unspecified
User Activity: 0 samples Idle, 6 samples Active
Power Source: 0 samples on Battery, 6 samples on AC

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