[MCPE-17798] NULL dereference crash in MCPE 0.16.0 on iPad mini 1st Gen Created: 29/Oct/16  Updated: 29/Oct/16  Resolved: 29/Oct/16

Status: Resolved
Project: Minecraft (Bedrock codebase)
Component/s: None
Affects Version/s: 0.16.0
Fix Version/s: None

Type: Bug
Reporter: Sam Bushell
Resolution: Duplicate Votes: 0
Labels: None

Attachments: File minecraftpe-2016-10-28-195217.crash     File minecraftpe-2016-10-28-195229.crash    
Confirmation Status: Unconfirmed
Platform: Tablet - iOS - iPad Mini

 Description   

Among the JetsamEvents produced while my sons were trying to get minecraftpe 0.16.0 to work are two actual NULL deference crashes, which I'm attaching. The crash point is within minecraftpe so it'll be necessary to symbolicate against the actual minecraftpe dSYMs.



 Comments   
Comment by Sam Bushell [ 29/Oct/16 ]

I can speak with some authority that this is not a dup of MCPE-17695. It can't make sense for a NULL dereference crash to be the same immediate cause as a foreground jetsam event. A foreground jetsam event means that iOS determined that it was in a critical page shortage, so bad that it had to terminate the frontmost app. A NULL dereference is a seg fault.

For this bug report, the correct next steps are to symbolicate the crash log with Xcode and the dSYM from when 0.16.0.5 was built, and examine the code to try to reconstruct why it was dereferencing a NULL pointer at that crash point.

Comment by [Mojang] Mega_Spud (Jay Wells) [ 29/Oct/16 ]

Please do not create duplicate tickets.

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