linux-kernel - Re: [syzbot] [net?] KASAN: slab-use-after-free Write in mini_qdisc_pair

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Message-ID: <0000000000003bdf7205fc723d47@google.com>
Date:   Wed, 24 May 2023 08:34:27 -0700
From:   syzbot <syzbot+b53a9c0d1ea4ad62da8b@...kaller.appspotmail.com>
To:     davem@...emloft.net, edumazet@...gle.com, jhs@...atatu.com,
        jiri@...nulli.us, kuba@...nel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, pabeni@...hat.com, pctammela@...atatu.com,
        syzkaller-bugs@...glegroups.com, xiyou.wangcong@...il.com
Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Write in mini_qdisc_pair_swap

Hello,

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

Reported-and-tested-by: syzbot+b53a9c0d1ea4ad62da8b@...kaller.appspotmail.com

Tested on:

commit:         6078d01d net/sched: qdisc_destroy() old ingress and cl..
git tree:       https://gitlab.com/tammela/net.git peilin-patches
console output: https://syzkaller.appspot.com/x/log.txt?x=111cf24d280000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b22b5699e8595bcd
dashboard link: https://syzkaller.appspot.com/bug?extid=b53a9c0d1ea4ad62da8b
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.