On 9/24/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> On Sun, 23 Sep 2007 00:03:49 +0400, Alexey Dobriyan said:
>
> > -static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
> > -{
> > - if (n != 0 && size > ULONG_MAX / n)
> > - return NULL;
> > - return __kmalloc(n * size, flags | __GFP_ZERO);
> > -}
> > +void *kcalloc(size_t n, size_t size, gfp_t flags);
>
> NAK.
>
> This busticates some pretty subtle code in mm/slab.c that uses
> uses __builtin_return_address() for debugging
Interesting. Here is output from kernel with patch applied and leak
plugged into proc_dointvec() (I checked twice):
$ grep kcalloc /proc/slab_allocators
$ grep proc_dointvec /proc/slab_allocators
size-64: 19 proc_dointvec+0x48/0xa0
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