On Fri, 20 Mar 2020 12:36:38 +0400 Entropy Moe <3ntr0py1337@xxxxxxxxx> wrote: > Hello Randy, > please see attached POC for the vulnerability. > Thanks. Ouch. afaict shmem's S_IFREG inode's mpol's preferred_node is messed up. I don't think anyone has worked on this code in a decade or more. Is someone up to taking a look please? > On Mon, Mar 16, 2020 at 10:46 PM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > > > On 3/15/20 12:57 PM, Entropy Moe wrote: > > > Hello team, > > > how are you ? > > > I wanted to report a bug on mempolicy.c. I found the bug on the latest > > version of the kernel. > > > > > > which is stack out of bound vulnerability. > > > > > > I am attaching report. > > > > > > If you need the POC crash code, I can provide. > > > > Hi Moe, > > > > Please post the POC code and your kernel .config file. > > > > thanks. > > -- > > ~Randy > > > >
