From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 768FF157A67 for ; Thu, 23 Jan 2025 05:06:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737608764; cv=none; b=UVDz4SgRM7ymxClF6f84z7L1W8sHgHlsADS3iot07yiGC6PHwC2RuYFOu74bKLvjFPaq7Ri4k1PavkSORD+01MyLTQW5+YzveGX/hS5HOLxMylBvaiKW5KksH1Z5EkUgWSOYuvmFq1QSrUV5FGpnFMu/Un6HSLtQXwm37VsanQU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737608764; c=relaxed/simple; bh=9lat9TYPsdJJ9HzvHSrW5C1qF2mUhBzr4l2eyxOFupw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=W+HO3p64RPWz/sL3cCJJ7P5Dv81HRedzNplc+yw5sd/cnv07MDHJ4M3cCubNQeCD18CTHapnyuTHjZ1FbB3E3NQnNmsrqtJcaNt/HvAEga2cEkII0WDofOJqQNGwPooAv3AXwEepQ6s7d/3Uq+2VmtmGY9+EH7mS5Qj/OA/eeJg= 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=209.85.166.197 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-il1-f197.google.com with SMTP id e9e14a558f8ab-3a814bfb77bso12135285ab.0 for ; Wed, 22 Jan 2025 21:06:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737608761; x=1738213561; 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=YMokocpQordxOMBpFMkHNLKOmcns6LVUEf4+Cy6nqGA=; b=rgKxs9eGbpr3854wfnbGGbFE4AEz8d5Pr8tDTPIgb9FjtdblzVy9FTrDxHXfVSJ8UE Y28HXDIsv+oIhOejjFNMW8KVYg6bVcxgxCkD1xOfWnaK5YInZOd0bGA83V3K+VRjPRsn lNaXgi3WISuDM3caPnjPaQGwTiQ9Z1ZXJZav7h9wtS8mkEL/8b5ZVIQZ+/8R/7YzNYeW 8xDAwTR6teIm2+sHJhO4M0533cG2222IKoFKYZKsklCTBwCMjAObEwPRRa887vlOGbpJ uXhRQ1l7Dh37UuZGIlQr1dnzOtBqEjKEa7qqaGj9FKoPTxz6j58VXPTQwInSK/WTAHj/ VS2Q== X-Forwarded-Encrypted: i=1; AJvYcCVJE3VRkW1s/52SkZ2PcieSUuxtvzHtKq6aUWIM/H/b076THdV99F0ccrbGiiCgEPPpbIa1LdI+lW721FUF@vger.kernel.org X-Gm-Message-State: AOJu0YyDz8hn+dWdtbx2s7hbN4i/OB25H/0dyQxmx/EizjRi/xg5UYeV Ib+DN2eLMSQ9EFS1by6GKuSN/1VP/a3k5M8Y1QGo+O2Jdxx5JIn6Wx7efXKRDhgD0aUOr3bU+bt KUWsz4zWX3hMN2gtA3kWjjrVpjqThgq5LWJrObobWdPN7kgHySH2j848= X-Google-Smtp-Source: AGHT+IEtvNF5HgFqgR+tiC85tI4HMtMzC2e8hiosT6luwUOG8n/UR0GYVTcsXDmJq3dsnmv5bov8RMKr8uil7cpQqYlR+Lv19Sky Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:450b:b0:3a7:e1c3:11f5 with SMTP id e9e14a558f8ab-3cfbc16e8d6mr17441575ab.6.1737608761558; Wed, 22 Jan 2025 21:06:01 -0800 (PST) Date: Wed, 22 Jan 2025 21:06:01 -0800 In-Reply-To: <67432dee.050a0220.1cc393.0041.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6791ce39.050a0220.194594.0020.GAE@google.com> Subject: Re: [syzbot] [btrfs?] kernel BUG in __folio_start_writeback From: syzbot To: akpm@linux-foundation.org, clm@fb.com, dsterba@suse.com, fdmanana@kernel.org, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, nogikh@google.com, peterz@infradead.org, quwenruo.btrfs@gmx.com, syzkaller-bugs@googlegroups.com, willy@infradead.org, wqu@suse.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 66951e4860d3c688bfa550ea4a19635b57e00eca Author: Peter Zijlstra Date: Mon Jan 13 12:50:11 2025 +0000 sched/fair: Fix update_cfs_group() vs DELAY_DEQUEUE bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11c129f8580000 start commit: 228a1157fb9f Merge tag '6.13-rc-part1-SMB3-client-fixes' o.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=402159daa216c89d dashboard link: https://syzkaller.appspot.com/bug?extid=aac7bff85be224de5156 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13840778580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17840778580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: sched/fair: Fix update_cfs_group() vs DELAY_DEQUEUE For information about bisection process see: https://goo.gl/tpsmEJ#bisection