Crashed:: Dispatch queue: com.yannickloriot.asyncqueue randomly

[owenzhao]

!!! MANDATORY TO FILL OUT !!!

Goals

Read a property in a Realm Object.

Expected Results

A property read.

Actual Results

App crashed.

Steps for others to Reproduce

Parts of the Crash Log

Process: Poster 2 [555]
Path: /Applications/Poster 2.app/Contents/MacOS/Poster 2
Identifier: com.parussoft.Poster
Version: 2.8.11 (20210228)
App Item ID: 1290194604
App External ID: 840670098
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Poster 2 [555]
User ID: 501

Date/Time: 2021-03-07 15:58:51.281 +0800
OS Version: macOS 11.2.2 (20D80)
Report Version: 12
Anonymous UUID: AD850017-567A-FF99-4F9D-76EE552DECAA

Sleep/Wake UUID: EC887A3F-0A49-4947-9112-5FCA46E68DBC

Time Awake Since Boot: 45000 seconds
Time Since Wake: 1200 seconds

System Integrity Protection: enabled

Crashed Thread: 3 Dispatch queue: com.yannickloriot.asyncqueue

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY

Application Specific Information:
abort() called

Thread 3 Crashed:: Dispatch queue: com.yannickloriot.asyncqueue
0 libsystem_kernel.dylib 0x00007fff20372462 pthread_kill + 10
1 libsystem_pthread.dylib 0x00007fff203a0610 pthread_kill + 263
2 libsystem_c.dylib 0x00007fff202f3720 abort + 120
3 org.cocoapods.Realm.macosx 0x000000010b038ef9 please_report_this_issue_in_github_realm_realm_core + 9
4 org.cocoapods.Realm.macosx 0x000000010b03925d realm::util::terminate_internal(std::*1::basic_stringstream<char, std::*1::char_traits, std::1::allocator >&) + 317
5 org.cocoapods.Realm.macosx 0x000000010b03943b realm::util::terminate(char const, char const, long, std::initializer_listrealm::util::Printable&&) + 395
6 org.cocoapods.Realm.macosx 0x000000010aeb9f67 void realm::util::terminate<unsigned long long, long>(char const, char const, long, unsigned long long, long) + 55
7 org.cocoapods.Realm.macosx 0x000000010af771d1 realm::StringData realm::Obj::_getrealm::StringData(realm::ColKey::Idx) const + 737
8 org.cocoapods.Realm.macosx 0x000000010ad40480 objc_object* (anonymous namespace)::getBoxedrealm::StringData(RLMObjectBase*, unsigned long) + 114 (RLMAccessor.mm:93) [inlined]
9 org.cocoapods.Realm.macosx 0x000000010ad40480 ZN12_GLOBAL__N_115makeBoxedGetterIN5realm10StringDataEEEP11objc_objectm_block_invoke + 139 (RLMAccessor.mm:262)
10 com.parussoft.Poster 0x000000010abb9608 specialized closure #1 in PostQueue.prepareStatus(for:) + 328 (PostQueue.swift:208)
11 com.parussoft.Poster 0x000000010abb8db2 specialized PostQueue.prepareStatus(for:) + 15 (PostQueue.swift:206) [inlined]
12 com.parussoft.Poster 0x000000010abb8db2 specialized PostQueue.getStatus(for:) + 43 (PostQueue.swift:138) [inlined]
13 com.parussoft.Poster 0x000000010abb8db2 specialized PostQueue.postStatus(to:) + 43 (PostQueue.swift:130) [inlined]
14 com.parussoft.Poster 0x000000010abb8db2 specialized closure #2 in PostQueue.run() + 43 (PostQueue.swift:83) [inlined]
15 com.parussoft.Poster 0x000000010abb8db2 thunk for @callee_guaranteed (@guaranteed Account) -> (@error @owned Error) + 43 [inlined]
16 com.parussoft.Poster 0x000000010abb8db2 specialized Sequence.forEach(:) + 43 [inlined]
17 com.parussoft.Poster 0x000000010abb8db2 specialized PostQueue.run() + 2418 (PostQueue.swift:82)
18 com.parussoft.Poster 0x000000010abb378b closure #2 in PostViewController2.postButtonClicked(:) + 507 (PostViewController2.swift:213)
19 org.cocoapods.AwaitKit.macosx 0x000000010ac4cdac thunk for @escaping @callee_guaranteed () -> (@error @owned Error) + 12
20 org.cocoapods.AwaitKit.macosx 0x000000010ac4c7c1 partial apply for thunk for @escaping @callee_guaranteed () -> (@error @owned Error) + 17
21 org.cocoapods.PromiseKit.macosx 0x000000010ac946a2 closure #1 in OS_dispatch_queue.async(:group:qos🎏execute:) + 130 (Promise.swift:167)
22 org.cocoapods.PromiseKit.macosx 0x000000010ac7524e thunk for @escaping @callee_guaranteed () -> () + 14
23 libdispatch.dylib 0x00007fff202021d5 _dispatch_block_async_invoke2 + 83
24 libdispatch.dylib 0x00007fff201f57c7 _dispatch_client_callout + 8
25 libdispatch.dylib 0x00007fff201f8195 _dispatch_continuation_pop + 423
26 libdispatch.dylib 0x00007fff201f7868 _dispatch_async_redirect_invoke + 713
27 libdispatch.dylib 0x00007fff20204857 _dispatch_root_queue_drain + 326
28 libdispatch.dylib 0x00007fff20204fb8 _dispatch_worker_thread2 + 92
29 libsystem_pthread.dylib 0x00007fff2039d453 _pthread_wqthread + 244
30 libsystem_pthread.dylib 0x00007fff2039c467 start_wqthread + 15

Thread 3 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x000070000a81d000 rcx: 0x000070000a81bc38 rdx: 0x0000000000000000
rdi: 0x000000000001fe67 rsi: 0x0000000000000006 rbp: 0x000070000a81bc60 rsp: 0x000070000a81bc38
r8: 0x0000000000008009 r9: 0x0000000000000000 r10: 0x000070000a81d000 r11: 0x0000000000000246
r12: 0x000000000001fe67 r13: 0x000000010b328678 r14: 0x0000000000000006 r15: 0x0000000000000016
rip: 0x00007fff20372462 rfl: 0x0000000000000246 cr2: 0x000000010e982000

Logical CPU: 0
Error Code: 0x02000148
Trap Number: 133

Thread 3 instruction stream not available.

Thread 3 last branch register state not available.

Code Sample

A simple sample.

    let type = AccountType(rawValue: account.type)! // the line sometimes crashed

    public enum AccountType:String {
        case weibo
        case twitter
        case facebook
        case identity
    }

    class Account:Object, AccountCore {
        @objc dynamic var pKey:String = ""
        @objc dynamic var type:String = AccountType.weibo.rawValue {
            didSet {
                updatePKey()
            }
        }
        @objc dynamic var id:Int64 = 0 {
            didSet {
                updatePKey()
            }
        }
        
        override static func primaryKey() -> String? {
            return "pKey"
        }
        
        func updatePKey() {
            pKey = "\(type):\(id)"
        }
        
        override func isEqual(_ object: Any?) -> Bool {
            guard let account = object as? Account else {
                return false
            }
            
            return self == account
        }
        
        static func == (lhs:Account, rhs:Account) -> Bool {
            return lhs.pKey == rhs.pKey
        }
    }

    e account.type
    (String) $R0 = "twitter"

    e account.type 
    (String) $R2 = "weibo"

If it crash, it will crash on the weibo part. There are two accounts, twitter account is sent first and then weibo account is sent next.

Version of Realm and Tooling

Realm framework version: ?
Realm 10.7.0

Xcode version: ?
Xcode 12.4 (12D4e)

iOS/OSX version: ?
macOS Big Sur 11.2.2 (20D80)

Dependency manager + version: ?
CocoaPods 1.10.1

[dianaafanador3]

Hi @owenzhao can you update to latest ream version 10.7.2 there are some issues regarding background writing fixed on our latest releases.

[owenzhao]

@dianaafanador3 Sure. However, since the issue is random, I can not for sure immediately whether the issue is fixed or not. It may take days even weeks to find out.

[dianaafanador3]

Hi @owenzhao I'm gonna close this for now, if you do get a crash later on, you can open it again and we'll take a look.