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[23.128.96.18]) by mx.google.com with ESMTP id b13si7287338ede.461.2021.03.26.01.38.07; Fri, 26 Mar 2021 01:38:30 -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; dkim=pass header.i=@gmail.com header.s=20161025 header.b=RkfWe8t1; 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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229695AbhCZIgT (ORCPT + 99 others); Fri, 26 Mar 2021 04:36:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229933AbhCZIfw (ORCPT ); Fri, 26 Mar 2021 04:35:52 -0400 Received: from mail-yb1-xb35.google.com (mail-yb1-xb35.google.com [IPv6:2607:f8b0:4864:20::b35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6CC3C0613AA; Fri, 26 Mar 2021 01:35:51 -0700 (PDT) Received: by mail-yb1-xb35.google.com with SMTP id g38so5039975ybi.12; Fri, 26 Mar 2021 01:35:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=CO4gZbxFyIsBp6fDq1sKand42JKRkUpqVJji7diN+V8=; b=RkfWe8t1cmxtlxZKbEd0kDtJCDkZlVC8UjQHdq4X2ZQjUPiibMVWt62ER1Kb+xPe0V N6/uabHDVsNyWbKrMBdzG1G+8dq8eSHJrE5IyG+7Bc6hksxLh6Uh81DZWkMiUD7uYHuu PyZt/XLN1ebLFCMtrBOLC7tMD3Mg7ZLfv6Hmm9qw3JNwJwkp4qo1iy8XmvduyPpvZcjS rhE22UYjCtNX25Ze9rt8n5sPcj0rzzDY22EjKL9TLMhS1WPNoAMVvpUJub1Ru0ADNJxL 0py2kT2w/5sv1XEXrs1aofRuR8o1Ihcfq4aLM2A5vYi16JasjHJD81lRs/WT2cPIAP/r F8QQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=CO4gZbxFyIsBp6fDq1sKand42JKRkUpqVJji7diN+V8=; b=ifWso9vUvUu6pG2D8PpsukPBqpjCR5VUbngozYG3wNm1Miojxb+nMQJOxuzQ976mrH uso5AmpzUcMWfLhsBaj+t1kXFAPS5bUmMaU0SkBj1newga1UcYZBi0ZBRR6v3RguTszL qMGkrX5hIi3PFWYv32dihWJxwv9SKvGsS4Zb2NA6MYLdVGyfQvYZIlx5aQzuU7yW/+KS 8X0/bu9aYSKwXDmv7QnaCAPP8ULdCstkgHKYLeOpFwTkXI7eOGlPxKax3JOiAg1fZcVj 9ynf2KPWW6DTFE9u0sZgedUd5Pi3D7PkNMZydEmr1Rlx+nvMbHUP7IwGEzZ/nsuxRJzy Isog== X-Gm-Message-State: AOAM530GqyoklKDCtDGS8bXaadS1Ah2CYRVdvSvtvO4CvtqaNfA0fXEM HV/YY7BDh80xW6+4kNVBrt+Dv01j+xfsXA6FW0M= X-Received: by 2002:a25:25d0:: with SMTP id l199mr18601780ybl.337.1616747751256; Fri, 26 Mar 2021 01:35:51 -0700 (PDT) MIME-Version: 1.0 References: <00000000000053da9405bd7d2644@google.com> In-Reply-To: <00000000000053da9405bd7d2644@google.com> From: Ming Lei Date: Fri, 26 Mar 2021 16:35:40 +0800 Message-ID: Subject: Re: [syzbot] KASAN: use-after-free Read in disk_part_iter_next (2) To: syzbot Cc: Jens Axboe , linux-block , Linux Kernel Mailing List , syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Mar 14, 2021 at 7:10 PM syzbot wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: 280d542f Merge tag 'drm-fixes-2021-03-05' of git://anongit.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=15ade5aed00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=952047a9dbff6a6a > dashboard link: https://syzkaller.appspot.com/bug?extid=8fede7e30c7cee0de139 #syz test: https://github.com/ming1/linux.git v5.12-block-test