CODEWITHSUNDEEP
iosmallocchecksum
Stephane FORJONEL
Stephane FORJONEL

Reputation: 11

IOS7: Incorrect checksum for freed object

I get an error

malloc: *** error for object 0x146f9404: incorrect checksum for freed object - object was     probably modified after being freed.
*** set a breakpoint in malloc_error_break to debug

in the following method :

+ (void)drawXIB_StatsDetaillees:(Statistiques*)statistiques ... {

NSArray* objects = [[NSBundle mainBundle] loadNibNamed:@"Match_Statistiques_Detaillees" owner:self options:nil];

The error comes with the NSArray.

Here is the call of this method :

+ (NSString*)drawPDF:(Match*)currentMatch {

[self drawXIB_StatsDetaillees:[currentMatch statistiquesMatch] andMatch:currentMatch andTitre1:titre1 andTitre2:titre2];

It's a static class called through a new thread (GCD), and i think that my NSArray is released between 2 calls of this class.

Do you agree with that ?

In this case, should i create a property with strong attribute for my array instead of create a new instance at each call ?

Thanks for your help and excuse me if my english is bad.

Stephane

Upvotes: 1

Views: 766

Answers (1)

Pedro Soares
Pedro Soares

Reputation: 1195

You are getting the error in that method but the problem is elsewhere.

To find the source of the problem, in XCode go to Product > Scheme > Edit Scheme, and under Diagnostics tab enable all the Malloc settings and Guard Malloc.

With that, run your application again, and XCode will stop at the line causing the problem.

Scheme definition

Upvotes: 1

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