NTPConnection Crash

[otymartin]

@msanders

Logs:

https://gist.github.com/otymartin/4ffb1be00f09fb4e2673a3824f1a14ab

[flocbit]

Experiencing the exact same issue, hope it'll be fixed soon!

[clopex]

Same problem here, any solution for this crash

[ramonoise]

Any solution for this crash?

[andrew-muzz]

Still seeing this crash since updating to v5.0.0

[fddecc]

@otymartin, @arm0nic, @clopex, @ramonilho and @andrew-muzmatch - thank you for reporting and our apologies for delay in resolving this issue. We will be looking into this issue shortly.

In the mean time using version 4.2.0 might help resolve the issue for the moment. Please do note that if you end up using that version, you will need to update your initialization logic.

If you have additional stack traces, it would be very helpful to us if you can provide them.

[Ariandr]

@00FA9A
Hi, one more stack trace. Hope it will help you.
app_issue_crash_a66f2b1c5d2e45a0a0470e85dc0c8f01_DNE_0_v2.txt

[fddecc]

Today, we have rolled out 5.0.1 that we believe resolves this issue.

Please update and do not hesitate to reopen if you encounter it again.

[Ariandr]

@00FA9A Thank you!

[Ariandr]

@00FA9A Hello.
As I see, this fix is not available in Cocoapods yet.
Do you want to release it after it's been tested properly? Or you just forgot to update the pod?

[miketsprague]

@Ariandr I'm not sure why but they haven't been updating the pod.

For an immediate fix you can just point your podfile to the commit
pod 'TrueTime', :git => 'https://github.com/instacart/TrueTime.swift', :commit => 'aafdfbec3c79ff8c5d6ff09e57d64d16e4c6d6dd'

[fddecc]

@Ariandr unfortunately, I'm not the owner of the pod at the moment therefore I've been unable to update it. Will try to sort this out asap for you. In the mean time, you should be able to use latest version by adding

github "instacart/TrueTime.swift" "5.0.1"

to your Cartfile (or use @miketsprague suggestion).

[Ariandr]

@00FA9A I see :)
Thanks for your effort!

[fddecc]

@Ariandr Podspec should now be updated

[mandarin6b0]

Hello, we're still experiencing crashes on 5.0.1 version

pod 'TrueTime', git: 'https://github.com/instacart/TrueTime.swift', tag: '5.0.1'

Crashed: com.instacart.ntp.client
0  libdispatch.dylib              0x190b03bf0 _dispatch_barrier_sync_f + 4
1  Citymobil                      0x105183118 $S8TrueTime13NTPConnectionC5query9addresses6config6logger13callbackQueue8progressSayACGSayAA13SocketAddressOG_AA9NTPConfigVySScSgSo17OS_dispatch_queueCyAC_6ResultASOyAA013FrozenNetworkB0VSo7NSErrorCAXs5Error10Foundationg_GtctFZyycfU1_ (<compiler-generated>)
2  Citymobil                      0x105187374 $S8TrueTime13NTPConnectionC5query9addresses6config6logger13callbackQueue8progressSayACGSayAA13SocketAddressOG_AA9NTPConfigVySScSgSo17OS_dispatch_queueCyAC_6ResultASOyAA013FrozenNetworkB0VSo7NSErrorCAXs5Error10Foundationg_GtctFZyycfU1_TA (<compiler-generated>)
3  Citymobil                      0x1051872e0 $S8TrueTime13NTPConnectionC5query9addresses6config6logger13callbackQueue8progressSayACGSayAA13SocketAddressOG_AA9NTPConfigVySScSgSo17OS_dispatch_queueCyAC_6ResultASOyAA013FrozenNetworkB0VSo7NSErrorCAXs5Error10Foundationg_GtctFZyAC_A_tcfU0_TA (<compiler-generated>)
4  Citymobil                      0x105187504 $S8TrueTime13NTPConnectionC8complete33_2A79C9048389EB5D5F57E571231D0EE3LLyy6ResultAFOyAA013FrozenNetworkB0VSo7NSErrorCAKs5Error10Foundationg_GFyycfU_TA (<compiler-generated>)
5  Citymobil                      0x1049e4c04 thunk for @escaping @callee_guaranteed () -> () (<compiler-generated>)
6  libdispatch.dylib              0x190b5ca38 _dispatch_call_block_and_release + 24
7  libdispatch.dylib              0x190b5d7d4 _dispatch_client_callout + 16
8  libdispatch.dylib              0x190b06320 _dispatch_lane_serial_drain$VARIANT$mp + 592
9  libdispatch.dylib              0x190b06e3c _dispatch_lane_invoke$VARIANT$mp + 428
10 libdispatch.dylib              0x190b0f4a8 _dispatch_workloop_worker_thread + 596
11 libsystem_pthread.dylib        0x190d3d114 _pthread_wqthread + 304
12 libsystem_pthread.dylib        0x190d3fcd4 start_wqthread + 4

Will be glad to help in investigation

[fddecc]

Thank you for reporting @mandarin6b0, looks like it might be the same issue again. If you have any additional stack traces, it might be useful. How often are you seeing this crash occur?

[miketsprague]

I'm also still seeing this in our crash reports (never been able to reproduce it). It's our top crash and affects about .1% of our sessions.

I've got two separate stack traces (although not sure how helpful they are). Here's the one that is more frequent:

Crashed: com.instacart.ntp.client
0  libdispatch.dylib              0x22916a748 _dispatch_barrier_sync_f + 4
1  TrueTime                       0x10446173c $S8TrueTime13NTPConnectionC5query9addresses6config6logger13callbackQueue8progressSayACGSayAA13SocketAddressOG_AA9NTPConfigVySScSgSo17OS_dispatch_queueCyAC_6ResultASOyAA013FrozenNetworkB0VSo7NSErrorCAXs5Error10Foundationg_GtctFZyycfU1_ + 1016
2  TrueTime                       0x104465a18 $S8TrueTime13NTPConnectionC5query9addresses6config6logger13callbackQueue8progressSayACGSayAA13SocketAddressOG_AA9NTPConfigVySScSgSo17OS_dispatch_queueCyAC_6ResultASOyAA013FrozenNetworkB0VSo7NSErrorCAXs5Error10Foundationg_GtctFZyycfU1_TA + 56
3  TrueTime                       0x104465984 $S8TrueTime13NTPConnectionC5query9addresses6config6logger13callbackQueue8progressSayACGSayAA13SocketAddressOG_AA9NTPConfigVySScSgSo17OS_dispatch_queueCyAC_6ResultASOyAA013FrozenNetworkB0VSo7NSErrorCAXs5Error10Foundationg_GtctFZyAC_A_tcfU0_TA + 56
4  TrueTime                       0x104465ba8 $S8TrueTime13NTPConnectionC8complete33_2A79C9048389EB5D5F57E571231D0EE3LLyy6ResultAFOyAA013FrozenNetworkB0VSo7NSErrorCAKs5Error10Foundationg_GFyycfU_TA + 32
5  TrueTime                       0x10446fcd0 $SIeg_IeyB_TR + 36
6  libdispatch.dylib              0x229190a38 _dispatch_call_block_and_release + 24
7  libdispatch.dylib              0x2291917d4 _dispatch_client_callout + 16
8  libdispatch.dylib              0x22916cdec _dispatch_lane_serial_drain$VARIANT$armv81 + 548
9  libdispatch.dylib              0x22916d92c _dispatch_lane_invoke$VARIANT$armv81 + 408
10 libdispatch.dylib              0x229175e08 _dispatch_workloop_worker_thread + 584
11 libsystem_pthread.dylib        0x229371114 _pthread_wqthread + 304

Here's the less frequent one that Crashlytics seems to think is iOS 12 only:

Crashed: com.instacart.ntp.client
0  libdispatch.dylib              0x22916a7a8 _dispatch_barrier_sync_f + 100
1  TrueTime                       0x1047b6548 $S8TrueTime9NTPClientC9stopQueue33_1287656FA7524B1873A8558648EF240CLLyyF + 336
2  TrueTime                       0x1047b74b8 $S8TrueTime9NTPClientC6finish33_1287656FA7524B1873A8558648EF240CLLyy6ResultAFOyAA09ReferenceB0CSo7NSErrorCAKs5Error10Foundationg_GF + 1160
3  TrueTime                       0x1047b8508 $S8TrueTime9NTPClientC5query33_1287656FA7524B1873A8558648EF240CLL9addresses4hostySayAA13SocketAddressOG_SStFyAA13NTPConnectionC_6ResultAMOyAA013FrozenNetworkB0VSo7NSErrorCARs5Error10Foundationg_GtcfU_ + 3328
4  TrueTime                       0x1047c196c $S8TrueTime13NTPConnectionC5query9addresses6config6logger13callbackQueue8progressSayACGSayAA13SocketAddressOG_AA9NTPConfigVySScSgSo17OS_dispatch_queueCyAC_6ResultASOyAA013FrozenNetworkB0VSo7NSErrorCAXs5Error10Foundationg_GtctFZyAC_A_tcfU0_TA + 32
5  TrueTime                       0x1047c1ba8 $S8TrueTime13NTPConnectionC8complete33_2A79C9048389EB5D5F57E571231D0EE3LLyy6ResultAFOyAA013FrozenNetworkB0VSo7NSErrorCAKs5Error10Foundationg_GFyycfU_TA + 32
6  TrueTime                       0x1047cbcd0 $SIeg_IeyB_TR + 36
7  libdispatch.dylib              0x229190a38 _dispatch_call_block_and_release + 24
8  libdispatch.dylib              0x2291917d4 _dispatch_client_callout + 16
9  libdispatch.dylib              0x22916cdec _dispatch_lane_serial_drain$VARIANT$armv81 + 548
10 libdispatch.dylib              0x22916d92c _dispatch_lane_invoke$VARIANT$armv81 + 408
11 libdispatch.dylib              0x229175e08 _dispatch_workloop_worker_thread + 584
12 libsystem_pthread.dylib        0x229371114 _pthread_wqthread + 304

[kardeslik]

Hello,
We're also experiencing this issue on version 5.0.2 in various macOS versions.
Here is the crash logs, hope they helps!

Thread 11 Crashed:
0   libdispatch.dylib                    0x00007fff5ebde54d _dispatch_barrier_sync_f + 6
1   TrueTime                             0x000000010773ebc4 closure #3 () -> () in static TrueTime.NTPConnection.query(addresses: [TrueTime.SocketAddress], config: TrueTime.NTPConfig, logger: (Swift.String) -> ()?, callbackQueue: __C.OS_dispatch_queue, progress: (TrueTime.NTPConnection, Swift.Result<TrueTime.FrozenNetworkTime, __C.NSError>) -> ()) -> [TrueTime.NTPConnection] (NTPConnection.swift:66)
2   TrueTime                             0x0000000107744371 partial apply forwarder for closure #3 () -> () in static TrueTime.NTPConnection.query(addresses: [TrueTime.SocketAddress], config: TrueTime.NTPConfig, logger: (Swift.String) -> ()?, callbackQueue: __C.OS_dispatch_queue, progress: (TrueTime.NTPConnection, Swift.Result<TrueTime.FrozenNetworkTime, __C.NSError>) -> ()) -> [TrueTime.NTPConnection] (<compiler-generated>:0)
3   TrueTime                             0x00000001077442b9 partial apply forwarder for closure #2 (TrueTime.NTPConnection, Swift.Result<TrueTime.FrozenNetworkTime, __C.NSError>) -> () in static TrueTime.NTPConnection.query(addresses: [TrueTime.SocketAddress], config: TrueTime.NTPConfig, logger: (Swift.String) -> ()?, callbackQueue: __C.OS_dispatch_queue, progress: (TrueTime.NTPConnection, Swift.Result<TrueTime.FrozenNetworkTime, __C.NSError>) -> ()) -> [TrueTime.NTPConnection] (NTPConnection.swift:37)
4   TrueTime                             0x000000010774485a partial apply forwarder for closure #1 () -> () in TrueTime.NTPConnection.(complete in _2A79C9048389EB5D5F57E571231D0EE3)(Swift.Result<TrueTime.FrozenNetworkTime, __C.NSError>) -> () (NTPConnection.swift:201)
5   TrueTime                             0x0000000107749110 reabstraction thunk helper from @escaping @callee_guaranteed () -> () to @escaping @callee_unowned @convention(block) () -> () (<compiler-generated>:0)
6   libdispatch.dylib                    0x00007fff5ebd95f8 _dispatch_call_block_and_release + 12
7   libdispatch.dylib                    0x00007fff5ebda63d _dispatch_client_callout + 8
8   libdispatch.dylib                    0x00007fff5ebe08e0 _dispatch_lane_serial_drain + 602
9   libdispatch.dylib                    0x00007fff5ebe1396 _dispatch_lane_invoke + 385
10  libdispatch.dylib                    0x00007fff5ebe96ed _dispatch_workloop_worker_thread + 598
11  libsystem_pthread.dylib              0x00007fff5ee1a611 _pthread_wqthread + 421
12  libsystem_pthread.dylib              0x00007fff5ee1a3fd start_wqthread + 13

[Ariandr]

Hi!
Probably the same crash as the guys above posted. Hope it helps.

Crashed: com.instacart.ntp.client
0  libdispatch.dylib              0x1b4bda748 _dispatch_barrier_sync_f + 4
1  TrueTime                       0x104bc03c0 closure #3 in static NTPConnection.query(addresses:config:logger:callbackQueue:progress:) (NTPConnection.swift:67)
2  TrueTime                       0x104bc4bfc partial apply for closure #3 in static NTPConnection.query(addresses:config:logger:callbackQueue:progress:) (<compiler-generated>)
3  TrueTime                       0x104bc4b6c partial apply for closure #2 in static NTPConnection.query(addresses:config:logger:callbackQueue:progress:) (NTPConnection.swift:38)
4  TrueTime                       0x104bc4fac partial apply for closure #1 in NTPConnection.complete(_:) (NTPConnection.swift:207)
5  TrueTime                       0x104bb70f4 thunk for @escaping @callee_guaranteed () -> () (<compiler-generated>)
6  libdispatch.dylib              0x1b4c00a38 _dispatch_call_block_and_release + 24
7  libdispatch.dylib              0x1b4c017d4 _dispatch_client_callout + 16
8  libdispatch.dylib              0x1b4bdcdec _dispatch_lane_serial_drain$VARIANT$armv81 + 548
9  libdispatch.dylib              0x1b4bdd92c _dispatch_lane_invoke$VARIANT$armv81 + 408
10 libdispatch.dylib              0x1b4be5e08 _dispatch_workloop_worker_thread + 584
11 libsystem_pthread.dylib        0x1b4de1114 _pthread_wqthread + 304
12 libsystem_pthread.dylib        0x1b4de3cd4 start_wqthread + 4

[ramonoise]

I guess this issue should be reopened 😭

[YuriiTrach]

Same issue here on 5.0.2.

[Ariandr]

@00FA9A Hi, could you please consider reopening the issue? Thanks.

[miketsprague]

Just to cross reference, I think I have a fix for this:
#75

[fddecc]

@Ariandr and all - sorry for late reply, issue should defiantly be reopened. We had limited time available to deal with it. We are looking into @miketsprague pr as possible solution.

[fddecc]

Thanks to great work by @miketsprague, we hope this issue should be resolved in 5.0.3 that is available now via CocoaPods. Thank you all for patience and apologies for inconvenience this has caused to you and your users

[RenanDelfanti]

Any solution? I have same problem

[mikesprague-fc]

@RenanDelfanti this issue was resolved #75 which should be in the latest version (5.0.3).

We should be able to close this ticket as well.

[RenanDelfanti]

@mikesprague-fc I'm using version 5.0.3, but my app crash on second time to get true time.
I'm using this library with flutter
Implementation: https://github.com/RenanDelfanti/flutter_true_time/tree/dev

[MudaliarArun]

Dear all facing the same issue still, Please find the firebase logs as below
Version: latest version (5.0.3)

Stack Trace:
Crashed: com.instacart.ntp.connection
0 TrueTime 0x100aac028 $s8TrueTime21NTPTimevalConvertiblePAAE13timeSince1970xSo7timevalV_tcfCSo12ntp_time64_ta_Tg5Tf4nd_n + 88
1 TrueTime 0x100aa5f30 $s8TrueTime13NTPConnectionC07requestB033_2A79C9048389EB5D5F57E571231D0EE3LLyyFyycfU_ + 148
2 TrueTime 0x100a9cf44 $sIeg_IeyB_TR + 28
3 libdispatch.dylib 0x21be80a38 _dispatch_call_block_and_release + 24
4 libdispatch.dylib 0x21be817d4 _dispatch_client_callout + 16
5 libdispatch.dylib 0x21be2a324 _dispatch_lane_serial_drain$VARIANT$mp + 592
6 libdispatch.dylib 0x21be2ae40 _dispatch_lane_invoke$VARIANT$mp + 428
7 libdispatch.dylib 0x21be334ac _dispatch_workloop_worker_thread + 596
8 libsystem_pthread.dylib 0x21c062114 _pthread_wqthread + 304
9 libsystem_pthread.dylib 0x21c064cd4 start_wqthread + 4

Device
Model: iPhone 6s Plus
Orientation: Portrait
RAM free: 66.88 MB
Disk free: 1.13 GB
Operating System
Version: 12.4.0 (16G77)
Orientation: Portrait
Jailbroken: Yes
Crash
Date: May 27, 2020, 1:32:00 AM
App version: 1.5 (1.0.0.4)