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Message-ID: <CAM_iQpV42EyuUFcxR7kn7WipkTAkvSxMc+-Me_QZCCUziy_wiQ@mail.gmail.com> Date: Fri, 1 Feb 2019 09:58:21 -0800 From: Cong Wang <xiyou.wangcong@...il.com> To: Dmitry Vyukov <dvyukov@...gle.com> Cc: Paul Moore <paul@...l-moore.com>, Ralf Baechle <ralf@...ux-mips.org>, David Miller <davem@...emloft.net>, linux-hams <linux-hams@...r.kernel.org>, netdev <netdev@...r.kernel.org>, syzbot <syzbot+1bfc00ca3aabe5bcd4cb@...kaller.appspotmail.com>, Eric Paris <eparis@...isplace.org>, LKML <linux-kernel@...r.kernel.org>, Stephen Smalley <sds@...ho.nsa.gov>, selinux@...r.kernel.org, syzkaller-bugs <syzkaller-bugs@...glegroups.com> Subject: Re: KASAN: use-after-free Read in selinux_netlbl_socket_setsockopt On Thu, Jan 31, 2019 at 10:56 PM Dmitry Vyukov <dvyukov@...gle.com> wrote: > Hi Paul, > > Searching for af_netrom across other syzbot bugs: > https://groups.google.com/forum/#!searchin/syzkaller-bugs/af_netrom%7Csort:date > > I see at least: > https://syzkaller.appspot.com/bug?extid=b0b1952f5864b4009b09 > https://syzkaller.appspot.com/bug?extid=febf3c50d4262e578b1c > https://syzkaller.appspot.com/bug?extid=defa700d16f1bd1b9a05 > > Which suggests there are some serious lifetime problems in netrom > sockets. That would probably explain this crash as well. This is supposed to be fixed by: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=63346650c1a94a92be61a57416ac88c0a47c4327 Please let me know if it isn't. Thanks.
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