RE: [PATCH] overflow check calculation in mm/mmap.c is incorrect linux-3.12.38

--Original Message- > From: Rasmus Villemoes [mailto:li...@rasmusvillemoes.dk] > Sent: Friday, May 08, 2015 2:46 AM > To: Reese Faucette > Cc: linux-kernel@vger.kernel.org; a...@lxorguk.ukuu.org.uk > Subject: Re: [PATCH] overflow check calculation in mm/mmap.c is incorrect > linux-3.12

[PATCH] overflow check calculation in mm/mmap.c is incorrect linux-3.12.38

-EOVERFLOW, because pgoff + (len >> PAGE_SHIFT) will be 0, which is < pgoff. -reese Reese Faucette Cisco Systems, Inc. --- mm/mmap.c +++ mm/mmap.c @@ -1241,7 +1241,7 @@ return -ENOMEM; /* offset overflow? */ -