From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (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 77B5A15ADB for ; Thu, 13 Jul 2023 08:32:09 +0000 (UTC) Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-3fbd33a1819so43335e9.1 for ; Thu, 13 Jul 2023 01:32:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1689237127; x=1691829127; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=8ZXFTzZ23tBD9HLQ6KgmQfM1q8HQlCUmLAo2N+jQgyQ=; b=ex2YC8/yDLqNpP6R+BAdB+o08HynDsjMbJ48xoaS3vhuyNfQFKPILnqmnZYvjL1tDv p5TaPb1oAbo2DpdKeRR6VWKRxq/V/P5bA1DeqgD4VQTrE/zrK0ioQ7LA55ZAK7lpw0+T doC/1Nv9st++dDqdBr+xRhMTdjhiH1Utf5EfYVQIVkLyYtDjK7h3BILyLPLAPIm6JsrR eAjwxflsLOprvTo+sE2GjEz5fSwM+GmTBwFzKAvI5M/cauBYCOOgmRUicRBvk2llX8iU ZyHeP2zmdkPYu/pmt2LyU/171rz5UHlSG2gUfAymA0p/yJbsMUoBtm+Pmm1ot/6w6qn/ R/bg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689237127; x=1691829127; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=8ZXFTzZ23tBD9HLQ6KgmQfM1q8HQlCUmLAo2N+jQgyQ=; b=iLKxnfiYZoO9M7WDkkRd1xSYGlN5a07lOMmAO1PKngrgDm0OOZzCrvE8AIuU//ioko A1RDO5udboDlFsUvUm2KAmLdoznwBB/pdzdACIW/WFgDVjJYToE5XFqSAcUHLKhWaIq6 NmPpo21z0Kg+K4e6542SOml2H4V4YCPoKb+7ygJD8RJFTKmckNclaNHqCJdGah+ieKQG 2oKDW/79aNnRNYHl42mrcz6Hq7ZkOLjw7m4JG/ZhXZzVLIdjEa3ViUsr5pofMLMBk3sU OWhJ5ZAuEPFckTVEiJC6cHq/GHgpv62g9gpExkb0r49QC8S2z4qAo61XlZsryXSTcW/U 2E+g== X-Gm-Message-State: ABy/qLZ3VTb/YDLNL98k3hSFX6Y37XMxcIedOMl0cVuFa+5k8+nFSw00 LbOgXeaeXH1WYcd6WJViyFCT6b5MylrpQx924PU3HQ== X-Google-Smtp-Source: APBJJlEc9EZE8pYaZ2NssNIo57gADVB0lUq6rpskj6IUCA4s3O+BuqWJPo9l+Ye6E3lzSHTKA26gblQsnM6dChRfViM= X-Received: by 2002:a05:600c:3ba6:b0:3f7:7bd4:3b9d with SMTP id n38-20020a05600c3ba600b003f77bd43b9dmr201139wms.6.1689237127389; Thu, 13 Jul 2023 01:32:07 -0700 (PDT) Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <000000000000fd3bbe05efb0d1fd@google.com> <000000000000a5d5ab060055215c@google.com> In-Reply-To: <000000000000a5d5ab060055215c@google.com> From: Aleksandr Nogikh Date: Thu, 13 Jul 2023 10:31:55 +0200 Message-ID: Subject: Re: [syzbot] [ntfs3?] WARNING in walk_component To: syzbot Cc: akpm@linux-foundation.org, almaz.alexandrovich@paragon-software.com, davem@davemloft.net, hughd@google.com, jiri@nvidia.com, kuba@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, Jul 13, 2023 at 4:31=E2=80=AFAM syzbot wrote: > > syzbot suspects this issue was fixed by commit: > > commit d772781964415c63759572b917e21c4f7ec08d9f > Author: Jakub Kicinski > Date: Fri Jan 6 06:33:54 2023 +0000 > > devlink: bump the instance index directly when iterating > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D12801432a8= 0000 > start commit: f3e8416619ce Merge tag 'soc-fixes-6.1-5' of git://git.ker= n.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=3Db83f3e90d7476= 5ea > dashboard link: https://syzkaller.appspot.com/bug?extid=3Deba014ac93ef29f= 83dc8 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D117d216b880= 000 > > If the result looks correct, please mark the issue as fixed by replying w= ith: > > #syz fix: devlink: bump the instance index directly when iterating That commit fixes a second problem triggerable by the same reproducer -- "INFO: rcu detected stall", but it is not related to the original "WARNING in walk_component" crash. > > For information about bisection process see: https://goo.gl/tpsmEJ#bisect= ion > > --