Re: [syzbot] [net?] [virt?] BUG: stack guard page was hit in vsock_bpf_recvmsg

[syzbot]

syzbot has bisected this issue to:

commit 634f1a7110b439c65fd8a809171c1d2d28bcea6f
Author: Bobby Eshleman <bobby.eshleman@xxxxxxxxxxxxx>
Date:   Mon Mar 27 19:11:51 2023 +0000

    vsock: support sockmap

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13d3c97d980000
start commit:   eb3ab13d997a net: ti: icssg_prueth: populate netdev of_node
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1033c97d980000
console output: https://syzkaller.appspot.com/x/log.txt?x=17d3c97d980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e8a2eef9745ade09
dashboard link: https://syzkaller.appspot.com/bug?extid=bdb4bd87b5e22058e2a4
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14a1b97d980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17e7b2f3980000

Reported-by: syzbot+bdb4bd87b5e22058e2a4@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 634f1a7110b4 ("vsock: support sockmap")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection