linux-kernel - Re: [syzbot] KASAN: use-after-free Write in nft_ct_tmpl_put

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Date:   Mon, 09 Aug 2021 20:18:08 -0700
From:   syzbot <syzbot+649e339fa6658ee623d3@...kaller.appspotmail.com>
To:     coreteam@...filter.org, davem@...emloft.net, fw@...len.de,
        kadlec@...filter.org, kuba@...nel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, pablo@...filter.org,
        paskripkin@...il.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Write in nft_ct_tmpl_put_pcpu

Hello,

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

Reported-and-tested-by: syzbot+649e339fa6658ee623d3@...kaller.appspotmail.com

Tested on:

commit:         9a73fa37 Merge branch 'for-5.14-fixes' of git://git.ke..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=e3a20bae04b96ccd
dashboard link: https://syzkaller.appspot.com/bug?extid=649e339fa6658ee623d3
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12d6baf6300000

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