Re: [PATCH 2/5] Construct one fakephp slot per pci slot

Matthew Wilcox
2007-11-13T19:53:06Z

On Tue, Nov 13, 2007 at 01:48:15PM -0600, Linas Vepstas wrote:
> On Mon, Nov 12, 2007 at 05:13:36PM -0700, Alex Chiang wrote:
> > + slot->name = kmalloc(8, GFP_KERNEL);
> > + sprintf(slot->name, "fake%d", count++);
>
> Please use snprintf to avoid buffer overruns!

Or, since kmalloc can return a 32-byte object at smallest, just allocate
32 bytes and continue using sprintf. fake%d would overflow after
999,999,999,999,999,999,999,999,999 pci devices, by which time we've
run the machine out of memory anyway.

--
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