Open Radar

 
I noticed an issue in my code related to NSFileManager. When running my program with gmalloc, I got a seg fault. It seems NSFileManager is reading past the end of an allocation. I wrote a simple reproducible sample program to illustrate the issue.

'DYLD_INSERT_LIBRARIES=/usr/lib/libgmalloc.dylib ./main' will crash.

#import <Cocoa/Cocoa.h>
                   
int main(int argc, char **argv)
{                  
        NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
        NSFileManager *manager = [NSFileManager defaultManager];
        NSString *path = @"/Applications";
        NSDirectoryEnumerator *enumerator = [manager enumeratorAtPath:path];
                   
        for (id fileName in enumerator) {
                NSAutoreleasePool *loopPool = [[NSAutoreleasePool alloc]
init];             
                NSString *file = [path
stringByAppendingPathComponent:fileName];
                NSDictionary *attrs = [manager fileAttributesAtPath:file
traverseLink:YES]; 
                   
                [loopPool drain];
        }          
                   
        [pool drain];
        return 0;  
}