Re: [Valgrind-users] Address 0xNNNNN is N bytes inside a block of size N alloc'd

[Christoph B. <bar...@or...>]

Am Montag, 27. Juli 2009 schrieb Pavel Shevaev:
> Folks, could you please tell what exactly this error message mean? I
> googled around the documentation and found nothing...


If the message is:

Address 0xNNNNN is Y bytes inside a block of size X alloc'd

Then you have somehow allocated X bytes of memory and you have got back a 
pointer to address:

0xNNNNN - Y

So the address 0xNNNNN is the Y'th byte after the start of the block you got.
The range of the block is:

[0xNNNNN - Y, 0xNNNNN - Y + X)

Christoph