Messages in this thread | | | Date | Wed, 29 Jul 2020 11:40:18 +0200 | From | Stefano Garzarella <> | Subject | Re: general protection fault in vsock_poll |
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On Wed, Jul 29, 2020 at 01:59:05AM -0700, syzbot wrote: > syzbot has bisected this issue to: > > commit 408624af4c89989117bb2c6517bd50b7708a2fcd > Author: Stefano Garzarella <sgarzare@redhat.com> > Date: Tue Dec 10 10:43:06 2019 +0000 > > vsock: use local transport when it is loaded > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17e6489b100000 > start commit: 92ed3019 Linux 5.8-rc7 > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=1416489b100000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1016489b100000 > kernel config: https://syzkaller.appspot.com/x/.config?x=84f076779e989e69 > dashboard link: https://syzkaller.appspot.com/bug?extid=a61bac2fcc1a7c6623fe > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15930b64900000 > > Reported-by: syzbot+a61bac2fcc1a7c6623fe@syzkaller.appspotmail.com > Fixes: 408624af4c89 ("vsock: use local transport when it is loaded") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection >
I'll take a look.
At first glance it seems strange, because if sk_state is TCP_ESTABLISHED, the transport shouldn't be NULL, that's why we didn't put the check.
Stefano
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