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

2018-01-30 Thread Eric Biggers
On Thu, Jan 11, 2018 at 11:48:28AM +0100, Daniel Borkmann wrote: > Hi Dmitry, > > On 01/11/2018 11:22 AM, Dmitry Vyukov wrote: > > On Thu, Jan 11, 2018 at 11:17 AM, syzbot > > wrote: > >> Hello, > >> > >> syzkaller hit the following crash on > >> 4147d50978df60f34d444c647dde9e5b34a4315e > >> git:

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

2018-01-11 Thread Daniel Borkmann
Hi Dmitry, On 01/11/2018 11:22 AM, Dmitry Vyukov wrote: > On Thu, Jan 11, 2018 at 11:17 AM, syzbot > wrote: >> Hello, >> >> syzkaller hit the following crash on >> 4147d50978df60f34d444c647dde9e5b34a4315e >> git://git.cmpxchg.org/linux-mmots.git/master >> compiler: gcc (GCC) 7.1.1 20170620 >> .co

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

2018-01-11 Thread Dmitry Vyukov
On Thu, Jan 11, 2018 at 11:17 AM, syzbot wrote: > Hello, > > syzkaller hit the following crash on > 4147d50978df60f34d444c647dde9e5b34a4315e > git://git.cmpxchg.org/linux-mmots.git/master > compiler: gcc (GCC) 7.1.1 20170620 > .config is attached > Raw console output is attached. > Unfortunately,