On Fri, Oct 10, 2008 at 2:48 AM, Daniel Kennett <[EMAIL PROTECTED]> wrote: > Hi list, > > I'm having trouble reproducing (and fixing) a rare bug that I sometimes get > reports about. > > Here's the code that causes the crash. streamPosition and length are checked > to make sure they're within the range of the NSData object: > > // Allocate a buffer. > void *buffer = malloc(length); > > // Fill the buffer with the requested bytes. > [_data getBytes:buffer range:NSMakeRange(streamPosition, length)]; > > Very occasionally, this fails with this crash: > > Exception: EXC_BAD_ACCESS (0x0001) > Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x00000000
Since the address above is 0x00000000, I suspect that buffer is NULL. Are you checking malloc's return value? You may be exceeding your process' 4GB address space. -- Clark S. Cox III [EMAIL PROTECTED] _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
