Messages in this thread | | | From | Dmitry Vyukov <> | Date | Mon, 25 Mar 2019 09:04:26 +0100 | Subject | Re: KASAN: use-after-free Write in hci_sock_release |
| |
On Sat, Mar 23, 2019 at 9:25 PM Cong Wang <xiyou.wangcong@gmail.com> wrote: > > On Fri, Mar 22, 2019 at 5:19 AM Dmitry Vyukov <dvyukov@google.com> wrote: > > > > On Fri, Mar 22, 2019 at 1:04 PM syzbot > > <syzbot+b364ed862aa07c74bc62@syzkaller.appspotmail.com> wrote: > > > > > > syzbot has bisected this bug to: > > > > > > commit c470abd4fde40ea6a0846a2beab642a578c0b8cd > > > Author: Linus Torvalds <torvalds@linux-foundation.org> > > > Date: Sun Feb 19 22:34:00 2017 +0000 > > > > > > Linux 4.10 > > > > > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1664c6df200000 > > > start commit: c470abd4 Linux 4.10 > > > git tree: upstream > > > kernel config: https://syzkaller.appspot.com/x/.config?x=7308e68273924137 > > > dashboard link: https://syzkaller.appspot.com/bug?extid=b364ed862aa07c74bc62 > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=152532bb400000 > > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13f73320c00000 > > > > > > Reported-by: syzbot+b364ed862aa07c74bc62@syzkaller.appspotmail.com > > > Fixes: c470abd4fde4 ("Linux 4.10") > > > > > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection > > > > The same story of HCI being broken before v4.10, so this is bisected > > to the release. > > Does syzbot test the latest upstream?
Yes, it does.
> Isn't this supposed to be fixed by > > commit e20a2e9c42c9e4002d9e338d74e7819e88d77162 > Author: Myungho Jung <mhjungk@gmail.com> > Date: Sat Feb 2 16:56:36 2019 -0800 > > Bluetooth: Fix decrementing reference count twice in releasing socket > > ?
I and syzbot have no idea. You may know better. Is it? If yes, please tell syzbot about the fix.
| |