On Thu, 23 Mar 2017 11:19:38 +0100 Dmitry Vyukov <[email protected]> wrote:
> Hello, > > I've got the following BUG while running syzkaller fuzzer. > Note the injected kmalloc failure, most likely it's the root cause. > Yes, probably the logic(?) in region_chg() leaked a resv->adds_in_progress++, although I'm not sure how. And afaict that code can leak the memory at *nrg if the `trg' allocation attempt failed on the second or later pass around the retry loop. Blah. Does someone want to take a look at it?

