From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 2311D12B63 for ; Fri, 14 Mar 2025 16:19:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741969146; cv=none; b=B0s0ZoEkd8ykMzHIvJf5iAoQ3rePJoz/I0NVuRim1TXZ6Debe88HrHyiCu4kxw8eesrZmOftpqUEwUYuYw1JMsBFyoEVv6sjQq/Wv41F26CjnDJKDt/b8rQEwJ3GOrmHJdUwbBHXQFTIAEA5Gx9QclxMf9wqCmVYjg0MQXofJy4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741969146; c=relaxed/simple; bh=1PyPhPPPXzUrW81edLk/hVexOnLGTmWk6S6oTJDjr1g=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ag87vlD7soNoE6FNdxtAZNIev5LeLNNl8Jw+rpfY+2eiIqhgSqkhdB3SPc102he7ANTcc1GTB2QrxGRaIXeZnjUh8S31FSBIHY7yz5+uEwydYUfXc37LUbHkaPd4XPppD8PmFoMxCfGEGDXpd0o13xg+bT/Ak8sj22O06m3MlD4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-849d26dd331so370019739f.1 for ; Fri, 14 Mar 2025 09:19:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741969144; x=1742573944; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=UxgpvdqPX3ylkbOIJHtNR/2q3jsEmcofJWs1Q6fg4hM=; b=YmFluSb5ot4w+FMdjw4qBUtlAAkiRL7sa/2wmEKaQNJ0nKW8PT/L6FYwpjs2rA5/aM jPizH2JvDc7/7Y19wOeFEgzmMQ2UUROb26IeQLlTn++/bwFwQlAzlwsqPY5AKIv6dTdJ M1jFMqFXKjLxrOJCAV1Jw5pmle20QnhOaj/02oE55jCewthoMHUB2gAmJvY2oS/TjcjB RGStr+RaQeBE8lBl3qjuRkX2h5hfrcTcKKNgZerf/lm8zSrt+gg3OQz+r3HWDMdKR4Te SCvr6Cw67o0rFeFloZpkoJgEKKnOEW7pd3n7M2MB1S5Haryu2qZCinagjIFSIn/Ruy9n L1Qg== X-Forwarded-Encrypted: i=1; AJvYcCVO5vSvHYn+l31mkvqNd2Ogts6aWzd83dBFyRPyukiY90TU4Fcl3fZHWo9eE3Pg8cJTmDkEoML7SUnYI1Y=@vger.kernel.org X-Gm-Message-State: AOJu0Yz29oda5/MQDydOkMJbS4P33O5BVHFKT1/mQtvk8AAOj7HdcpCS 2Rfqj3R+rgZpX6lJktl/fxD9SIFRxaJS4toTVshBlaUnjBAG7rl8aee6UbkrjxD3Bh+D5tz+fjA L7aQBx5sa1+S5IRKgFjwl4MLpoc/N0ADt5A+4OZhS/ocxkE9l9y82JFY= X-Google-Smtp-Source: AGHT+IEE3iUoDMvt6vpYaKTf9X03mBdBOF392XsUet07v7oD5JzD+kITjp+U2pfYs2O9VOBXHhH9vfIZPElBK0LwW6g4S9LoSoY6 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c503:0:b0:3d3:d156:1dcd with SMTP id e9e14a558f8ab-3d479f6b87fmr60200315ab.1.1741969144137; Fri, 14 Mar 2025 09:19:04 -0700 (PDT) Date: Fri, 14 Mar 2025 09:19:04 -0700 In-Reply-To: <6798b182.050a0220.ac840.0248.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67d456f8.050a0220.14e108.0047.GAE@google.com> Subject: Re: [syzbot] [xfs?] possible deadlock in xfs_buf_find_insert From: syzbot To: cem@kernel.org, chandan.babu@oracle.com, cmaiolino@redhat.com, dchinner@redhat.com, djwong@kernel.org, hch@lst.de, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit a9ab28b3d21aec6d0f56fe722953e20ce470237b Author: Christoph Hellwig Date: Tue Jan 28 05:22:58 2025 +0000 xfs: remove xfs_buf_cache.bc_lock bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17fb5c78580000 start commit: 69b8923f5003 Merge tag 'for-linus-6.14-ofs4' of git://git... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=57ab43c279fa614d dashboard link: https://syzkaller.appspot.com/bug?extid=acb56162aef712929d3f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=174cd5f8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=162e2d18580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: xfs: remove xfs_buf_cache.bc_lock For information about bisection process see: https://goo.gl/tpsmEJ#bisection