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[23.128.96.18]) by mx.google.com with ESMTP id m10si13943965eji.716.2021.04.19.12.02.09; Mon, 19 Apr 2021 12:02:36 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240418AbhDSOll (ORCPT + 99 others); Mon, 19 Apr 2021 10:41:41 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:34751 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240071AbhDSOll (ORCPT ); Mon, 19 Apr 2021 10:41:41 -0400 Received: by mail-il1-f198.google.com with SMTP id g7-20020a056e021a27b02901663a2bc830so11522775ile.1 for ; Mon, 19 Apr 2021 07:41:10 -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=wlOpFW8cC2s0o+5q+U/P6q7nbFjBvPS+WnuW+PP2Iys=; b=WGNKsFair7/pYIpPnzh91NouLEgi6nPhDy/tCDRoX7Gq+aqPfJZ/TVOwjKhKw3HQAp qxEUo5juLb33gz/v76EelpGE2hM3rkxZ5G2RdeFGUzVMPCDfn0Dvlxpozr7UWvIKKwm1 ybqTqMYdlVjVEB9/9au0H8z8UNbbrhlZUdPl0iaHcMvEG7NciIucBgxxfVShISq0JP0v gZR/FIDQrn46cEyYf8r4gZx6VTDxea+IteT+FN6f3Ijh0V9LlenWVIl1r+Z4AG2faJmB nIyWpvjVC1WRbauPsTnX6gtD2JJHWSrCuMeGJIkVMwGU8sBBqQyEj8LFeHP2J+dVokGh z6IQ== X-Gm-Message-State: AOAM5331dcOKaAOrXYSmr8thDCNLLlGW2VgUw9jCx1KSDYUbRH/0VyMO q+4Cc9IORTRYy5Y4kmdKXF28AQpBlK/nNgKy8vLr5f/ENXRL MIME-Version: 1.0 X-Received: by 2002:a05:6638:10e:: with SMTP id x14mr8742051jao.116.1618843269860; Mon, 19 Apr 2021 07:41:09 -0700 (PDT) Date: Mon, 19 Apr 2021 07:41:09 -0700 In-Reply-To: <0000000000000427db05bc3a2be3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000c120805c05452c0@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in __cpuhp_state_remove_instance From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, ducheng2@gmail.com, dvyukov@google.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, mpe@ellerman.id.au, paulmck@kernel.org, peterz@infradead.org, qais.yousef@arm.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 470ec4ed8c91b4db398ad607c700e9ce88365202 Author: Jens Axboe Date: Fri Feb 26 17:20:34 2021 +0000 io-wq: fix double put of 'wq' in error path bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11e89cc5d00000 start commit: cee407c5 Merge tag 'for-linus' of git://git.kernel.org/pub.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=8f67201de02a572b dashboard link: https://syzkaller.appspot.com/bug?extid=38769495e847cea2dcca syz repro: https://syzkaller.appspot.com/x/repro.syz?x=154e360ad00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: io-wq: fix double put of 'wq' in error path For information about bisection process see: https://goo.gl/tpsmEJ#bisection