linux-kernel - Re: [syzbot] [net?] [virt?] BUG: stack guard page was hit in vsock_bpf

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Message-ID: <0000000000000a9b85061f5319be@google.com>
Date: Sat, 10 Aug 2024 05:07:03 -0700
From: syzbot <syzbot+bdb4bd87b5e22058e2a4@...kaller.appspotmail.com>
To: bobby.eshleman@...edance.com, bpf@...r.kernel.org, davem@...emloft.net, 
	edumazet@...gle.com, kuba@...nel.org, linux-kernel@...r.kernel.org, 
	mst@...hat.com, netdev@...r.kernel.org, pabeni@...hat.com, 
	sgarzare@...hat.com, syzkaller-bugs@...glegroups.com, 
	virtualization@...ts.linux-foundation.org, virtualization@...ts.linux.dev
Subject: Re: [syzbot] [net?] [virt?] BUG: stack guard page was hit in vsock_bpf_recvmsg

syzbot has bisected this issue to:

commit 634f1a7110b439c65fd8a809171c1d2d28bcea6f
Author: Bobby Eshleman <bobby.eshleman@...edance.com>
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@...kaller.appspotmail.com
Fixes: 634f1a7110b4 ("vsock: support sockmap")

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