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wakatime / macos-wakatime

Mac system tray app for automatic time tracking and metrics generated from your Xcode, Figma, Postman, etc. usage.
https://wakatime.com/mac
BSD 3-Clause "New" or "Revised" License
142 stars 23 forks source link

Crashing on v2.0.1 #115

Closed Demircivi closed 1 year ago

Demircivi commented 1 year ago

Log from the Console.app: If I get it correct, this method causes the crash.

I'm concerned about this force cast:

let activeWindow = element.getValue(for: kAXFocusedWindowAttribute) as! AXUIElement
-------------------------------------
Translated Report (Full Report Below)
-------------------------------------

Process:               WakaTime [88068]
Path:                  /Applications/WakaTime.app/Contents/MacOS/WakaTime
Identifier:            macos-wakatime.WakaTime
Version:               2.0.1 (2.0.1)
Code Type:             ARM-64 (Native)
Parent Process:        launchd [1]
User ID:               501

Date/Time:             2023-06-19 08:58:26.4714 +0300
OS Version:            macOS 13.4 (22F66)
Report Version:        12
Anonymous UUID:        FAB9A1F3-F1A3-6F8A-B2F4-7442A5B90BC1

Sleep/Wake UUID:       8D6C0010-7ED4-42A0-8FA5-EDCA6C804D64

Time Awake Since Boot: 270000 seconds
Time Since Wake:       38 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BREAKPOINT (SIGTRAP)
Exception Codes:       0x0000000000000001, 0x0000000100d8d5c0

Termination Reason:    Namespace SIGNAL, Code 5 Trace/BPT trap: 5
Terminating Process:   exc handler [88068]

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   WakaTime                               0x100d8d5c0 Watcher.watch(app:) + 1460
1   WakaTime                               0x100d8cbe8 Watcher.handleAppChanged(_:) + 552
2   WakaTime                               0x100d8c828 Watcher.appChanged(_:) + 284
3   WakaTime                               0x100d8c8d8 @objc Watcher.appChanged(_:) + 128
4   CoreFoundation                         0x1a7e9b180 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 148
5   CoreFoundation                         0x1a7f36eec ___CFXRegistrationPost_block_invoke + 88
6   CoreFoundation                         0x1a7f36e34 _CFXRegistrationPost + 440
7   CoreFoundation                         0x1a7e6c4cc _CFXNotificationPost + 704
8   Foundation                             0x1a8dca8f4 -[NSNotificationCenter postNotificationName:object:userInfo:] + 88
9   AppKit                                 0x1ab2665e8 applicationStatusSubsystemCallback + 676
10  LaunchServices                         0x1a8327e30 ___LSScheduleNotificationFunction_block_invoke_2 + 52
11  CoreFoundation                         0x1a7ea61d4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 28
12  CoreFoundation                         0x1a7ea60e8 __CFRunLoopDoBlocks + 364
13  CoreFoundation                         0x1a7ea558c __CFRunLoopRun + 2432
14  CoreFoundation                         0x1a7ea44b8 CFRunLoopRunSpecific + 612
15  HIToolbox                              0x1b16eec40 RunCurrentEventLoopInMode + 292
16  HIToolbox                              0x1b16eea7c ReceiveNextEventCommon + 648
17  HIToolbox                              0x1b16ee7d4 _BlockUntilNextEventMatchingListInModeWithFilter + 76
18  AppKit                                 0x1ab0c5d44 _DPSNextEvent + 636
19  AppKit                                 0x1ab0c4ee0 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 716
20  AppKit                                 0x1ab0b9344 -[NSApplication run] + 464
21  WakaTime                               0x100d7d6c8 main + 120
22  dyld                                   0x1a7a6ff28 start + 2236

Thread 1:
0   libsystem_pthread.dylib                0x1a7dc2d8c start_wqthread + 0

Thread 2:
0   libsystem_pthread.dylib                0x1a7dc2d8c start_wqthread + 0

Thread 3:
0   libsystem_pthread.dylib                0x1a7dc2d8c start_wqthread + 0

Thread 4:: com.apple.NSEventThread
0   libsystem_kernel.dylib                 0x1a7d87f14 mach_msg2_trap + 8
1   libsystem_kernel.dylib                 0x1a7d9a240 mach_msg2_internal + 80
2   libsystem_kernel.dylib                 0x1a7d90b78 mach_msg_overwrite + 604
3   libsystem_kernel.dylib                 0x1a7d88290 mach_msg + 24
4   CoreFoundation                         0x1a7ea67e4 __CFRunLoopServiceMachPort + 160
5   CoreFoundation                         0x1a7ea50c4 __CFRunLoopRun + 1208
6   CoreFoundation                         0x1a7ea44b8 CFRunLoopRunSpecific + 612
7   AppKit                                 0x1ab1f0334 _NSEventThread + 172
8   libsystem_pthread.dylib                0x1a7dc7fa8 _pthread_start + 148
9   libsystem_pthread.dylib                0x1a7dc2da0 thread_start + 8

Thread 5:
0   libsystem_pthread.dylib                0x1a7dc2d8c start_wqthread + 0

Thread 6:
0   libsystem_pthread.dylib                0x1a7dc2d8c start_wqthread + 0

Thread 7:
0   libsystem_pthread.dylib                0x1a7dc2d8c start_wqthread + 0

Thread 8:
0   libsystem_pthread.dylib                0x1a7dc2d8c start_wqthread + 0

Thread 9:
0   libsystem_pthread.dylib                0x1a7dc2d8c start_wqthread + 0

Thread 0 crashed with ARM Thread State (64-bit):
    x0: 0x0000000000000000   x1: 0x0000000000000000   x2: 0x0000000000000000   x3: 0x0000600003b84f40
    x4: 0x000d1f6100000a03   x5: 0x0000070700000001   x6: 0x0000000000001048   x7: 0x00000000000005dc
    x8: 0x0000000000000100   x9: 0x00000000000000ff  x10: 0x0000000000000f00  x11: 0x00000000000007fb
   x12: 0x00000000da006814  x13: 0x00000000000007fd  x14: 0x00000000da20703d  x15: 0x00000000da006814
   x16: 0x00000001b6eb9b7c  x17: 0x000000005a200000  x18: 0x0000000000000000  x19: 0x0000600000096400
   x20: 0x0000000000000000  x21: 0x00000000ffff9d84  x22: 0x0000000203d78010  x23: 0x000000016f0855e0
   x24: 0x0000000203c95c58  x25: 0x000000016f0855c0  x26: 0x0000600000d8ce60  x27: 0x00006000020e6f10
   x28: 0x000000016f0855f0   fp: 0x000000016f0856e0   lr: 0x0000000100d8d5c0
    sp: 0x000000016f0855c0   pc: 0x0000000100d8d5c0 cpsr: 0x80001000
   far: 0x00000001095e0000  esr: 0xf2000001 (Breakpoint) brk 1

Binary Images:
       0x100d78000 -        0x100d97fff macos-wakatime.WakaTime (2.0.1) <491019e8-b56d-3813-8bb1-def204d7d343> /Applications/WakaTime.app/Contents/MacOS/WakaTime
       0x100ef4000 -        0x100f37fff org.sparkle-project.Sparkle (2.4.1) <85cd37f1-a154-35f6-8ee1-b0133b257fe1> /Applications/WakaTime.app/Contents/Frameworks/Sparkle.framework/Versions/B/Sparkle
       0x100ec8000 -        0x100ed3fff libobjc-trampolines.dylib (*) <570c31f7-94c6-3b86-ae44-1694db0a4bcd> /usr/lib/libobjc-trampolines.dylib
       0x1a7e27000 -        0x1a8300fff com.apple.CoreFoundation (6.9) <203e4401-8c2e-3157-a24b-92f52551d43e> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
       0x1a8dc1000 -        0x1a9786fff com.apple.Foundation (6.9) <d5337cc6-a075-3ca0-b5bf-b49da8878337> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
       0x1ab08d000 -        0x1abf9bfff com.apple.AppKit (6.9) <041c7d21-21cc-3eea-ae53-d39f5ca6a24e> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
       0x1a8301000 -        0x1a857dfff com.apple.LaunchServices (1141.1) <556590f5-8fed-36a6-830b-ea49bd95b1fe> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
       0x1b16be000 -        0x1b19f1fff com.apple.HIToolbox (2.1.1) <d800278b-4e6c-3032-b56f-027a938a51d6> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
       0x1a7a6a000 -        0x1a7af8553 dyld (*) <bd993f39-c902-37d6-8bd8-6d827c7f121e> /usr/lib/dyld
       0x1a7dc1000 -        0x1a7dcdfff libsystem_pthread.dylib (*) <46d35233-a051-3f4f-bba4-ba56dddc4d1a> /usr/lib/system/libsystem_pthread.dylib
       0x1a7d87000 -        0x1a7dc0fe7 libsystem_kernel.dylib (*) <42f503e2-9273-360a-a086-c1b19bbd3962> /usr/lib/system/libsystem_kernel.dylib

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 67
    thread_create: 4
    thread_set_state: 10156

VM Region Summary:
ReadOnly portion of Libraries: Total=1.2G resident=0K(0%) swapped_out_or_unallocated=1.2G(100%)
Writable regions: Total=1.5G written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=1.5G(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               128K        1 
Activity Tracing                   256K        1 
CG image                           112K        6 
ColorSync                          496K       25 
CoreAnimation                      688K       28 
CoreGraphics                        48K        3 
CoreServices                       256K        1 
CoreUI image data                 1648K       13 
Foundation                          16K        1 
Kernel Alloc Once                   32K        1 
MALLOC                           277.5M       58 
MALLOC guard page                  288K       14 
MALLOC_MEDIUM (reserved)         840.0M        7         reserved VM address space (unallocated)
MALLOC_NANO (reserved)           384.0M        1         reserved VM address space (unallocated)
SQLite page cache                  128K        1 
STACK GUARD                       56.2M       10 
Stack                             12.8M       10 
VM_ALLOCATE                        112K        7 
__AUTH                             855K      209 
__AUTH_CONST                      17.6M      392 
__CTF                               824        1 
__DATA                            6761K      381 
__DATA_CONST                      17.8M      396 
__DATA_DIRTY                       987K      136 
__FONT_DATA                        2352        1 
__LINKEDIT                       802.1M        4 
__OBJC_RO                         66.3M        1 
__OBJC_RW                         2011K        1 
__TEXT                           376.9M      415 
dyld private memory                272K        2 
libnetwork                         128K        8 
mapped file                       80.0M       28 
shared memory                      864K       13 
===========                     =======  ======= 
TOTAL                              2.9G     2176 
TOTAL, minus reserved VM space     1.7G     2176 

-----------
Full Report
-----------

{"app_name":"WakaTime","timestamp":"2023-06-19 08:58:28.00 +0300","app_version":"2.0.1","slice_uuid":"491019e8-b56d-3813-8bb1-def204d7d343","build_version":"2.0.1","platform":1,"bundleID":"macos-wakatime.WakaTime","share_with_app_devs":1,"is_first_party":0,"bug_type":"309","os_version":"macOS 13.4 (22F66)","roots_installed":0,"name":"WakaTime","incident_id":"4960D212-6950-4B61-9980-484FA568822D"}
{
  "uptime" : 270000,
  "procRole" : "Default",
  "version" : 2,
  "userID" : 501,
  "deployVersion" : 210,
  "modelCode" : "MacBookPro18,2",
  "coalitionID" : 47905,
  "osVersion" : {
    "train" : "macOS 13.4",
    "build" : "22F66",
    "releaseType" : "User"
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  "captureTime" : "2023-06-19 08:58:26.4714 +0300",
  "incident" : "4960D212-6950-4B61-9980-484FA568822D",
  "pid" : 88068,
  "translated" : false,
  "cpuType" : "ARM-64",
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  "bug_type" : "309",
  "procLaunch" : "2023-06-19 08:58:24.8585 +0300",
  "procStartAbsTime" : 6678466870264,
  "procExitAbsTime" : 6678505456626,
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  "bundleInfo" : {"CFBundleShortVersionString":"2.0.1","CFBundleVersion":"2.0.1","CFBundleIdentifier":"macos-wakatime.WakaTime"},
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  "parentProc" : "launchd",
  "parentPid" : 1,
  "coalitionName" : "macos-wakatime.WakaTime",
  "crashReporterKey" : "FAB9A1F3-F1A3-6F8A-B2F4-7442A5B90BC1",
  "codeSigningID" : "macos-wakatime.WakaTime",
  "codeSigningTeamID" : "538RQNWSWT",
  "codeSigningFlags" : 570503953,
  "codeSigningValidationCategory" : 6,
  "codeSigningTrustLevel" : 0,
  "wakeTime" : 38,
  "sleepWakeUUID" : "8D6C0010-7ED4-42A0-8FA5-EDCA6C804D64",
  "sip" : "enabled",
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  "termination" : {"flags":0,"code":5,"namespace":"SIGNAL","indicator":"Trace\/BPT trap: 5","byProc":"exc handler","byPid":88068},
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  "faultingThread" : 0,
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starbugs commented 1 year ago

Thank you!

To add some context for future reference: I was able to reproduce this by doing the following:

  1. Have only a single Xcode window open and Xcode as focused application
  2. Minimize said Xcode window
  3. Cmd+Tab to another application
  4. Cmd+Tab back to Xcode
Screenshot 2023-06-22 at 08 36 13

A PR fixing this is on the way.

Demircivi commented 1 year ago

Aha! Thank you for fixing this! Based on your reproduction methods, I can now precisely crash the application 😂 I am waiting for #116 to be merged.

starbugs commented 1 year ago

Some more context (which nobody needs to read). I would otherwise note and bookmark this and never find it again:

The reason this is even safe in WakaTime at the moment with the force cast moved into the if let is the following line in our AXUIElement extension's getValue() function:

https://github.com/wakatime/macos-wakatime/blob/9293c49169091b328652181890b8f9928de0a40a/WakaTime/Watcher.swift#L317

Beyond this, there's some Swift internals involved. It boils down to CFTypeRef being a typealias for AnyObject. And Any/AnyObject vs. nil is a bit weird in Swift, especially when it comes to opaque CoreFoundation types. See the accepted answer in this StackOverflow post.