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Editorial Team
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Asked: 2026-05-27T07:43:04+00:00

I’m getting this error malloc: * * * error for object 0x8a591d4: incorrect checksum

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I’m getting this error

malloc: * * * error for object 0x8a591d4: incorrect checksum for freed object - object was probably modified after being freed.
*** set a breakpoint in malloc_error_break to debug
No memory available to program now: unsafe to call malloc
No memory available to program now: unsafe to call malloc

It comes from this line

NSString *plistPath = [[NSBundle mainBundle] pathForResource:@"Info" 
       ofType:@"plist"];
NSData *plistData = [NSData dataWithContentsOfFile:plistPath];
NSDictionary *loadedPlist = 
[NSPropertyListSerialization  propertyListFromData:plistData 
       mutabilityOption:0 format:NULL errorDescription:NULL]; <<< this line

The value of plistData is set to Summary Unavailable

I’m not sure where to start ?

EDIT – added more code

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1 Answer

  1. Editorial Team

    I’m going to add another answer: it’s also possible that you have ALREADY hosed the heap, and you’re failing on propertyListFromData: just because it does a lot of allocations and happens to hit the bad spot. So edit your scheme in Xcode, and make sure you have all of the Memory Management items checked (in the Diagnostics tab of the Run task).

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