linux-kernel - Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in nci_send

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Date:   Wed, 16 Nov 2022 10:00:19 -0800
From:   syzbot <syzbot+4adf5ff0f6e6876c6a81@...kaller.appspotmail.com>
To:     davem@...emloft.net, edumazet@...gle.com,
        krzysztof.kozlowski@...aro.org, kuba@...nel.org, linma@....edu.cn,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        pabeni@...hat.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in nci_send_cmd

Hello,

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

Reported-and-tested-by: syzbot+4adf5ff0f6e6876c6a81@...kaller.appspotmail.com

Tested on:

commit:         1c96c97c nfc/nci: fix race with opening and closing
git tree:       https://github.com/f0rm2l1n/linux-fix.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=12f48735880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a2318f9a4fc31ad
dashboard link: https://syzkaller.appspot.com/bug?extid=4adf5ff0f6e6876c6a81
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.