Re: net: use-after-free in worker_thread

2016-12-04 Thread Herbert Xu
On Sat, Dec 03, 2016 at 05:49:07AM -0800, Eric Dumazet wrote: > > @@ -600,6 +600,7 @@ static int __netlink_create(struct net *net, struct > socket *sock, > } > init_waitqueue_head(&nlk->wait); > > + sock_set_flag(sk, SOCK_RCU_FREE); > sk->sk_destruct = netlink_sock_destruct

Re: net: use-after-free in worker_thread

2016-12-04 Thread Herbert Xu
On Sat, Dec 03, 2016 at 10:14:48AM -0800, Cong Wang wrote: > On Sat, Dec 3, 2016 at 9:41 AM, Cong Wang wrote: > > On Sat, Dec 3, 2016 at 4:56 AM, Andrey Konovalov > > wrote: > >> Hi! > >> > >> I'm seeing lots of the following error reports while running the > >> syzkaller fuzzer. > >> > >> Repor

Re: net: use-after-free in worker_thread

2016-12-03 Thread Cong Wang
On Sat, Dec 3, 2016 at 9:41 AM, Cong Wang wrote: > On Sat, Dec 3, 2016 at 4:56 AM, Andrey Konovalov > wrote: >> Hi! >> >> I'm seeing lots of the following error reports while running the >> syzkaller fuzzer. >> >> Reports appeared when I updated to 3c49de52 (Dec 2) from 2caceb32 (Dec 1). >> >> =

Re: net: use-after-free in worker_thread

2016-12-03 Thread Cong Wang
On Sat, Dec 3, 2016 at 4:56 AM, Andrey Konovalov wrote: > Hi! > > I'm seeing lots of the following error reports while running the > syzkaller fuzzer. > > Reports appeared when I updated to 3c49de52 (Dec 2) from 2caceb32 (Dec 1). > >

Re: net: use-after-free in worker_thread

2016-12-03 Thread Andrey Konovalov
On Sat, Dec 3, 2016 at 2:49 PM, Eric Dumazet wrote: > On Sat, 2016-12-03 at 14:05 +0100, Andrey Konovalov wrote: >> On Sat, Dec 3, 2016 at 1:58 PM, Andrey Konovalov >> wrote: >> > +syzkal...@googlegroups.com >> > >> > On Sat, Dec 3, 2016 at 1:56 PM, Andrey Konovalov >> > wrote: >> >> Hi! >> >>

Re: net: use-after-free in worker_thread

2016-12-03 Thread Eric Dumazet
On Sat, 2016-12-03 at 14:05 +0100, Andrey Konovalov wrote: > On Sat, Dec 3, 2016 at 1:58 PM, Andrey Konovalov > wrote: > > +syzkal...@googlegroups.com > > > > On Sat, Dec 3, 2016 at 1:56 PM, Andrey Konovalov > > wrote: > >> Hi! > >> > >> I'm seeing lots of the following error reports while runn

Re: net: use-after-free in worker_thread

2016-12-03 Thread Andrey Konovalov
+syzkal...@googlegroups.com On Sat, Dec 3, 2016 at 1:56 PM, Andrey Konovalov wrote: > Hi! > > I'm seeing lots of the following error reports while running the > syzkaller fuzzer. > > Reports appeared when I updated to 3c49de52 (Dec 2) from 2caceb32 (Dec 1). > > ===

Re: net: use-after-free in worker_thread

2016-12-03 Thread Andrey Konovalov
On Sat, Dec 3, 2016 at 1:58 PM, Andrey Konovalov wrote: > +syzkal...@googlegroups.com > > On Sat, Dec 3, 2016 at 1:56 PM, Andrey Konovalov > wrote: >> Hi! >> >> I'm seeing lots of the following error reports while running the >> syzkaller fuzzer. >> >> Reports appeared when I updated to 3c49de52

net: use-after-free in worker_thread

2016-12-03 Thread Andrey Konovalov
Hi! I'm seeing lots of the following error reports while running the syzkaller fuzzer. Reports appeared when I updated to 3c49de52 (Dec 2) from 2caceb32 (Dec 1). == BUG: KASAN: use-after-free in worker_thread+0x17d8/0x18a0 Read of s