From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6DBF3168 for ; Wed, 21 Jul 2021 17:12:10 +0000 (UTC) Received: by mail-il1-f198.google.com with SMTP id s7-20020a92cb070000b02902021736bb95so1962297ilo.5 for ; Wed, 21 Jul 2021 10:12:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=Y6Y4vaAAE0NKEq1EsKmEUMtdOo6howUC6ShUJPK7rvY=; b=ceRjTzIglWF9jW123kiKpJtzz28KHNEFPcYu0zoYn/ZMFjNrR8418rPV/XwIKFse15 6kPBwqacXx++iYQJ+Kws/JrzPZGLB0430rSA2/bKtiei6NHGF7qx9iM7Q5vKI99cGib/ 5sYCPpqAZezPZyohMwuiqWtdNnO+5TU4/+NZVb4b78ocSXkFIOch2KqFcs1NN7G2uy/9 i2/4uMTgWiBBTJ/AOD8pdekTtPHrGRVcy/r4bGM3M4deRTm7CGqtqwT3Nk62JX8bUbrg zMXSkSLfsIT+TQOIszxdfqmpXJzA3Lx2h7IctI3cIG+smW0CVeBTrCAqYXrfCKePj67N IxoQ== X-Gm-Message-State: AOAM5324eEH6eHCZ7DsSJUYHlxjyzZUQHTAAT4G6Ehw8l/pDWQyGd5Fu 0cTkiBAKmKXcntpV5pZO6EqQab95EqH+dWzPULL31VYTd6xR X-Google-Smtp-Source: ABdhPJwOcoCWNrFNs7X5bO4INkmOxb/0VbZ+2JV+gC5QQQzrnTq80EKiEfN0a6IyAyRs0n40t/rA5mYatxazN77t71VCI4vUJf0b Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:538:: with SMTP id j24mr22358891jar.59.1626887529635; Wed, 21 Jul 2021 10:12:09 -0700 (PDT) Date: Wed, 21 Jul 2021 10:12:09 -0700 In-Reply-To: <20210721130143.396c1626@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004b212a05c7a545a7@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in r871xu_dev_remove From: syzbot To: Larry.Finger@lwfinger.net, florian.c.schilhabel@googlemail.com, gregkh@linuxfoundation.org, hridayhegde1999@gmail.com, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, paskripkin@gmail.com, rkovhaev@gmail.com, straube.linux@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+5872a520e0ce0a7c7230@syzkaller.appspotmail.com Tested on: commit: 8cae8cd8 seq_file: disallow extremely large seq buffer.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=f7dfeb6dfc05ea19 dashboard link: https://syzkaller.appspot.com/bug?extid=5872a520e0ce0a7c7230 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=11291aa2300000 Note: testing is done by a robot and is best-effort only.