Re: KASAN: use-after-free Read in __fput

[Al Viro]

On Thu, Nov 02, 2017 at 04:05:01AM -0700, syzbot wrote:
> Hello,
> 
> syzkaller hit the following crash on
> 3a99df9a3d14cd866b5516f8cba515a3bfd554ab
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console output is attached.

That one is almost certainly double-free in kcm_clone() fixed in
https://marc.info/?l=linux-netdev&m=151208776817071&q=raw