On 04/25/19 at 03:56P, WANG Chao wrote: > On 04/18/19 at 11:41P, WANG Chao wrote: > > A left over pfn (because we don't clear) at ca->array[n] can be a match > > in __find_elem. Later it'd cause a memmove size overflow in del_elem. > > > > Signed-off-by: WANG Chao <chao.w...@ucloud.cn> > > --- > > drivers/ras/cec.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c > > index 2d9ec378a8bc..2e0bf1269c31 100644 > > --- a/drivers/ras/cec.c > > +++ b/drivers/ras/cec.c > > @@ -206,7 +206,7 @@ static int __find_elem(struct ce_array *ca, u64 pfn, > > unsigned int *to) > > > > this_pfn = PFN(ca->array[min]); > > > > - if (this_pfn == pfn) > > + if (this_pfn == pfn && ca->n > min) > > return min; > > > > return -ENOKEY; > > Any thought on this one?
Aha, I see there's another fix queued. Thanks.
