Bug 42798 - SIGSEGV while executing native code
Summary: SIGSEGV while executing native code
Alias: None
Product: iOS
Classification: Xamarin
Component: General (show other bugs)
Version: XI 9.8 (tvOS / C7)
Hardware: Macintosh Mac OS
: --- normal
Target Milestone: Future Cycle (TBD)
Assignee: Bugzilla
Depends on:
Reported: 2016-07-26 10:19 UTC by Adam Hartley [MSFT]
Modified: 2016-08-08 05:02 UTC (History)
6 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Adam Hartley [MSFT] 2016-07-26 10:19:00 UTC
## Overview

When navigating to a different view controller, the app segfaults

## Steps to reproduce

1. Download sample (link in private comment)
2. Run on the simulator - tested in the 5s 9.3 sim
3. Tap the hamburger menu at the top left
4. Tap "My Schedule"
5. Tap the hamburger menu at the top left
6. Tap "Statistics"

## Expected result

App should not crash

## Actual result

App crashes with a SIGSEGV

Stacktrace: https://gist.github.com/BytesGuy/dd10768037f3b635decdebdf1aedbcb5

## Notes

=== Xamarin Studio Enterprise ===

Version 6.0.1 (build 9)
Installation UUID: ad66a985-3d32-4bb5-935b-a2e10c4f0de0
	Mono 4.4.1 (mono-4.4.0-branch-c7sr0/4747417) (64-bit)
	GTK+ 2.24.23 (Raleigh theme)

	Package version: 404010000

=== Xamarin.Profiler ===

Not Installed

=== Apple Developer Tools ===

Xcode 7.3.1 (10188.1)
Build 7D1014

=== Xamarin.iOS ===

Version: (Visual Studio Enterprise)
Hash: 3cf8aae
Branch: c7sr0
Build date: 2016-06-20 16:09:58-0400

=== Xamarin.Android ===

Version: (Visual Studio Enterprise)
Android SDK: /Users/Adam/Library/Developer/Xamarin/android-sdk-macosx
	Supported Android versions:
		6.0 (API level 23)

SDK Tools Version: 25.1.2
SDK Platform Tools Version: 24.0.0
SDK Build Tools Version: 23.0.2

Java SDK: /usr
java version "1.7.0_71"
Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)

Android Designer EPL code available here:

=== Xamarin Android Player ===

Not Installed

=== Xamarin.Mac ===

Version: (Visual Studio Enterprise)

=== Build Information ===

Release ID: 600010009
Git revision: e879ce52093257c5c386ad7e390dfaa937fa7f90
Build date: 2016-06-24 11:53:43-04
Xamarin addins: a9252e6df4851fbbed1f9c6228e7b6dd1b475ac5
Build lane: monodevelop-lion-cycle7-sr0

=== Operating System ===

Mac OS X 10.11.5
Darwin Adams-MacBook-Pro.local 15.5.0 Darwin Kernel Version 15.5.0
    Tue Apr 19 18:36:36 PDT 2016
    root:xnu-3248.50.21~8/RELEASE_X86_64 x86_64
Comment 2 timossv 2016-08-08 05:02:15 UTC
The crash occasionally happens on app startup.