Safari crashing when downloading?

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Created Sep ’20

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I'm working on an app, and have turned over download responsibilities to Safari, thusly:

UIApplication.shared.open(URL(string: "nytimes.com/crosswords")!, options: [:], completionHandler: nil)
// If I put in the https the Forums software objects, but it is there, Safari does get to the site.

Once I'm at the site, I tap to download, and immediately get a crash (see below).

At first I thought it was my app, but then I reset the iPad with Erase All Contents and Settings, and just downloaded directly from Safari (my app wasn't even installed), yet the error persists.

Is anybody else seeing this?

Code Block Process:               MobileSafari [7402]Path:                  /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/Applications/MobileSafari.app/MobileSafariIdentifier:            MobileSafariVersion:               14.0 (604.1)Code Type:             X86-64 (Native)Parent Process:        launchd_sim [7210]Responsible:           SimulatorTrampoline [615]User ID:               501Date/Time:             2020-09-04 17:59:56.697 -0500OS Version:            Mac OS X 10.16 (20A5354i)Report Version:        12Bridge OS Version:     5.0 (18P50358b)Anonymous UUID:        4CC279BD-C050-70BE-3C9C-80C6689A987CSleep/Wake UUID:       C3BB6F1F-67AB-41B2-A5A6-85122824DD46Time Awake Since Boot: 35000 secondsTime Since Wake:       15000 secondsSystem Integrity Protection: enabledCrashed Thread:        1  Dispatch queue: com.apple.NSXPCConnection.user.com.apple.DocumentManagerCore.DownloadsException Type:        EXC_BAD_ACCESS (SIGBUS)Exception Codes:       KERN_PROTECTION_FAILURE at 0x000070000b32ff68Exception Note:        EXC_CORPSE_NOTIFYTermination Signal:    Bus error: 10Termination Reason:    Namespace SIGNAL, Code 0xaTerminating Process:   exc handler [7402]VM Regions Near 0x70000b32ff68:    JS JIT generated code      27af4b001000-27af4b002000     [    4K] ---/rwx SM=NUL  --> STACK GUARD                70000b32f000-70000b330000     [    4K] ---/rwx SM=NUL  stack guard for thread 1    Stack                      70000b330000-70000b3b2000     [  520K] rw-/rwx SM=COW  thread 1Application Specific Information:CoreSimulator 732.13 - Device: iPad Pro (11-inch) (2nd generation) (DCD41CB8-B807-4A59-9504-7B2BC3559167) - Runtime: iOS 14.0 (18A5357e) - DeviceType: iPad Pro (11-inch) (2nd generation)Thread 0:: Dispatch queue: com.apple.main-thread0   libsystem_kernel.dylib        	0x00007fff5da0ff6e mach_msg_trap + 101   libsystem_kernel.dylib        	0x00007fff5da102e0 mach_msg + 602   com.apple.CoreFoundation      	0x0000000107040e77 CFRunLoopServiceMachPort + 3163   com.apple.CoreFoundation      	0x000000010703b58d CFRunLoopRun + 12844   com.apple.CoreFoundation      	0x000000010703ab9e CFRunLoopRunSpecific + 5675   com.apple.GraphicsServices    	0x00000001160f2db3 GSEventRunModal + 1396   com.apple.UIKitCore           	0x0000000110f15c73 -[UIApplication _run] + 9127   com.apple.UIKitCore           	0x0000000110f1ab84 UIApplicationMain + 1018   com.apple.mobilesafari        	0x00000001042e65e2 0x104260000 + 550370

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Answer 1

srbh_jdhv OP

Sep ’20

Hi,
I am testing my application on simulator's safari browser and in that I am downloading a document. When I tapped on the "Download" button on the download alert of Safari it gets crashed. Here actually Safari opens a new window and starts the download but in this specific version iPad Air (3rd generation) its crashing. I tested the same scenario in iPad Pro and there its working fine.

Code Block Process:               MobileSafari [1258]Path:                  /Applications/Xcode-beta5.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/Applications/MobileSafari.app/MobileSafariIdentifier:            MobileSafariVersion:               14.0 (604.1)Code Type:             X86-64 (Native)Parent Process:        launchd_sim [976]Responsible:           SimulatorTrampoline [792]User ID:               502Date/Time:             2020-09-16 14:28:56.440 +0530OS Version:            Mac OS X 10.15.6 (19G73)Report Version:        12Anonymous UUID:        D8DB3A4A-1C91-9359-C52D-F6E8DA913CA4Sleep/Wake UUID:       C1AEBE37-0B7E-4697-90DC-77DC1CAFE823Time Awake Since Boot: 36000 secondsTime Since Wake:       14000 secondsSystem Integrity Protection: enabledCrashed Thread:        8  Dispatch queue: com.apple.NSXPCConnection.user.com.apple.DocumentManagerCore.DownloadsException Type:        EXC_BAD_ACCESS (SIGBUS)Exception Codes:       KERN_PROTECTION_FAILURE at 0x0000700002070f28Exception Note:        EXC_CORPSE_NOTIFYTermination Signal:    Bus error: 10Termination Reason:    Namespace SIGNAL, Code 0xaTerminating Process:   exc handler [1258]VM Regions Near 0x700002070f28:    Stack                  0000700001fee000-0000700002070000 [  520K] rw-/rwx SM=COW  thread 3--> STACK GUARD            0000700002070000-0000700002071000 [    4K] ---/rwx SM=NUL  stack guard for thread 8    Stack                  0000700002071000-00007000020f3000 [  520K] rw-/rwx SM=COW  thread 8Application Specific Information:CoreSimulator 732.13 - Device: iPad Air (3rd generation) (3D9501C3-8D27-4E0A-917F-DE09EC2EFF1B) - Runtime: iOS 14.0 (18A5351d) - DeviceType: iPad Air (3rd generation)Thread 0:: Dispatch queue: com.apple.main-thread0   libsystem_kernel.dylib        	0x00007fff5dd58dfa mach_msg_trap + 101   libsystem_kernel.dylib        	0x00007fff5dd59170 mach_msg + 602   com.apple.CoreFoundation      	0x00007fff203a7be7 CFRunLoopServiceMachPort + 3163   com.apple.CoreFoundation      	0x00007fff203a22fd CFRunLoopRun + 12844   com.apple.CoreFoundation      	0x00007fff203a190e CFRunLoopRunSpecific + 5675   com.apple.GraphicsServices    	0x00007fff2ba85db3 GSEventRunModal + 1396   com.apple.UIKitCore           	0x00007fff24647ffd -[UIApplication _run] + 9127   com.apple.UIKitCore           	0x00007fff2464cf0e UIApplicationMain + 1018   com.apple.mobilesafari        	0x00000001061af612 0x106129000 + 5504189   libdyld.dylib                 	0x00007fff20257415 start + 1

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