[BUG] LiveContainer crashes when installing app or force signing app #1135
Description
Describe the bug
Installing the latest Duolingo 7.108.1 crashes live container. Reopening live container and is greeted with "LiveContainer seems to crash during last app signing, and the app might be corrupted. Please consider reinstalling the app or switching other app or switching to another signer"
Instructions to reproduce
Use LiveContainer Stable version 3.6.1
Import SideStore certificates
Install Duolingo 7.108.1 from apptester
What version of LiveContainer and iOS are you using?
3.6.1
Verify steps
- I downloaded LiveContainer from releases / actions section or LiveContainer's AltStore source.
- I have the latest LiveContainer.
- I installed LiveContainer through AltStore/SideStore/TrollStore or I'm confident that I signed LiveContainer correctly with all required entitlements.
Crash Log
-------------------------------------
Translated Report (Full Report Below)
-------------------------------------
Process: LiveContainer [5619]
Path: /private/var/containers/Bundle/Application/<REDACTED>/App.app/LiveContainer
Identifier: com.kdt.livecontainer.WMJSCAX666
Version: 3.6.1 (3.6.1)
Code Type: ARM-64 (Native)
Role: Foreground
Parent Process: launchd [1]
Coalition: com.kdt.livecontainer.WMJSCAX666 [1297]
User ID: 501
Date/Time: 2026-02-07 14:53:37.4624 -0800
Launch Time: 2026-02-07 14:53:26.4479 -0800
Hardware Model: iPhone18,3
OS Version: iPhone OS 26.1 (23B85)
Release Type: User
Baseband Version: 1.10.05
Crash Reporter Key: <REDACTED>
Incident Identifier: <REDACTED>
Time Awake Since Boot: 51000 seconds
Triggered by Thread: 0, Dispatch Queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Termination Reason: Namespace SIGNAL, Code 6, Abort trap: 6
Terminating Process: LiveContainer [5619]
Application Specific Information:
stack buffer overflow
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libsystem_kernel.dylib __pthread_kill + 8
1 libsystem_pthread.dylib pthread_kill + 268
2 libsystem_c.dylib __abort + 132
3 libsystem_c.dylib __stack_chk_fail + 96
4 LiveContainerShared LCPatchExecSlice + 852
5 LiveContainerSwiftUI __83-[LCAppInfo patchExecAndSignIfNeedWithCompletionHandler:progressHandler:forceSign:]_block_invoke + 88
6 LiveContainerShared LCParseMachO + 372
7 LiveContainerSwiftUI -[LCAppInfo patchExecAndSignIfNeedWithCompletionHandler:progressHandler:forceSign:] + 808
8 LiveContainerSwiftUI 0x105470000 + 989368
9 LiveContainerSwiftUI 0x105470000 + 984064
10 LiveContainerSwiftUI 0x105470000 + 947485
11 LiveContainerSwiftUI 0x105470000 + 947025
12 LiveContainerSwiftUI 0x105470000 + 137617
13 LiveContainerSwiftUI 0x105470000 + 898041
14 LiveContainerSwiftUI 0x105470000 + 133593
15 libswift_Concurrency.dylib completeTaskWithClosure + 1
Thread 3 name: com.apple.uikit.eventfetch-thread
Thread 3:
0 libsystem_kernel.dylib mach_msg2_trap + 8
1 libsystem_kernel.dylib mach_msg2_internal + 76
2 libsystem_kernel.dylib mach_msg_overwrite + 428
3 libsystem_kernel.dylib mach_msg + 24
4 CoreFoundation __CFRunLoopServiceMachPort + 160
5 CoreFoundation __CFRunLoopRun + 1188
6 CoreFoundation _CFRunLoopRunSpecificWithOptions + 532
7 Foundation -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 212
8 Foundation -[NSRunLoop(NSRunLoop) runUntilDate:] + 64
9 UIKitCore -[UIEventFetcher threadMain] + 408
10 Foundation __NSThread__start__ + 732
11 libsystem_pthread.dylib _pthread_start + 136
12 libsystem_pthread.dylib thread_start + 8
Binary Images:
0x100614000 - 0x10061bfff LiveContainer arm64
/var/containers/Bundle/Application/<REDACTED>/App.app/LiveContainer
0x100670000 - 0x100683fff LiveContainerShared arm64
/private/var/containers/Bundle/Application/<REDACTED>/App.app/Frameworks/LiveContainerShared.framework/LiveContainerShared
0x105470000 - 0x1055bffff LiveContainerSwiftUI arm64
/private/var/containers/Bundle/Application/<REDACTED>/App.app/Frameworks/LiveContainerSwiftUI.framework/LiveContainerSwiftUI
/usr/lib/system/libsystem_kernel.dylib
/usr/lib/system/libsystem_pthread.dylib
/usr/lib/system/libsystem_c.dylib
/usr/lib/swift/libswift_Concurrency.dylib
/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
/System/Library/Frameworks/Foundation.framework/Foundation
/System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore
/usr/lib/system/libdispatch.dylib
/System/Library/PrivateFrameworks/caulk.framework/caulk
Other info
No response