From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DD92C43460 for ; Mon, 19 Apr 2021 14:41:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60EDD61002 for ; Mon, 19 Apr 2021 14:41:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231814AbhDSOlk (ORCPT ); Mon, 19 Apr 2021 10:41:40 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:50775 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240345AbhDSOlj (ORCPT ); Mon, 19 Apr 2021 10:41:39 -0400 Received: by mail-il1-f200.google.com with SMTP id d2-20020a056e020c02b029013731419ee1so11553866ile.17 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=K6EVq9dw64sQO69+xtdR60g19aQvbPFGcsk3Y4fLiJtT03LfLTdwUlns+CLjUoph60 3P4C/LCCJTC6z5dHvVttNLv0pYzEsiAOhPBVjyWMCyf38m2ZiroPjP5OoMJsynUKl5UR 3gU8qR2wtdKcf5y4FHNA0UmGneE7Y6oLYKWtYcsBVSnTsg4UA80QtDn334/WRsz7xRWV bg/0teit2W4FpjYt9CBX5GJBLNA776mJ97grVURJsA4sk6CkM88NxzegmGUqsWZabyTn XIoTeKyr0F2k+edg+mlnxg112U+/VUCPHilKOcVxABLSk7rH5cV2ggnk7Ab4E85nrGKc 6gxw== X-Gm-Message-State: AOAM530Wp3vebEVC3z4lhVIkNQMaPDPTcyob723wCC2wiz72CvRsnvqV 0D6NiYuMkiRvSvn8BCqQD6H04/oBkatCyMk8jN4FP6eYzmk7 X-Google-Smtp-Source: ABdhPJySkX4bS40j/+HsRpeprmCVSQL9BBIFWCA2S68/d629WQe84Yv8+tXJIEY7WItzNFIJ8X/WNmJUIk0x1ZLcHUKzjQ6SAoDR 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: io-uring@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