linux-kernel - Re: [syzbot] WARNING: suspicious RCU usage in bpf_sk_reuseport

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Message-ID: <0000000000004f0e5705e65a96f2@google.com>
Date:   Tue, 16 Aug 2022 05:07:06 -0700
From:   syzbot <syzbot+24bcff6e82ce253f23ec@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] WARNING: suspicious RCU usage in bpf_sk_reuseport_detach

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+24bcff6e82ce253f23ec@...kaller.appspotmail.com

Tested on:

commit:         94ce3b64 net/tls: Use RCU API to access tls_ctx->netdev
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
console output: https://syzkaller.appspot.com/x/log.txt?x=11bf00cb080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=53da55f2bdeb0d4c
dashboard link: https://syzkaller.appspot.com/bug?extid=24bcff6e82ce253f23ec
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=171d056b080000

Note: testing is done by a robot and is best-effort only.