From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 090B91B85C2 for ; Mon, 14 Oct 2024 17:34:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728927245; cv=none; b=ruO8LZcIF74gcqFixhuMrZu/cn9akZNrt5cybYnw75YObbEy+WmKh6WDknwzbQ2tQq+xo0VMTk1FRHoGlDfZZcnxg6DXezajTi7vHZ3ekdGPIuoUUwAEZT3qdYhNK19pSGeYxKU68YJAK95ORzc1eYdfx3QW8x0dkwd7BUGV3xo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728927245; c=relaxed/simple; bh=hVJROpK94N+N0CbGBD+w/8HK/Ot9QUak+hyhoEqDJw0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=nkK6pERNF4YZHoISjFm3f9b7XytTSL5k4lyCyZC/yjIQZ6chJvr9wYwluC3i+PrCGusdR01Sb5D3h0oKBqb9yanAb0nuO+gpmKjSYrLzY+Eq3fGS98r98YHWyUqW/QQW9ZfJ8kfjTD1lni7L87lr7mGK+hO8is3DRRrudRyaWfg= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3a3c70e58bfso8651505ab.3 for ; Mon, 14 Oct 2024 10:34:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728927243; x=1729532043; 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=sIz6aeA35Dtdd+gzrdbE7pqbjuTVS8L8sDpKqV/lA8Y=; b=AKCHNBtl4Txjjs7KZwqBipoLpHguRoxrSVGJDoWz9srw6geuKUu9KgDG6FFk/D5JxI F2IWMvjxZ6a3w8UFyE4jxzsOQ/63tnl0/bKZ9AZb+C1bgIOm7Yzb8fYSoJukE5nmjxN2 61yI4E5s8It7mjzainfAH9yB7P2znBCuNJ3vs1caBcdltLcEuGaifRunW33IEDcJucQD yigYk053ollqDUdMLV3XMUzxKhNrrAomDJXnTm7Lfl8+997Mf6jRqgnB+71DREVFNbxU gJ7h46/GLpAyMqD0vB/G0xjnpFrPH++tLpsQWwWEm0fKcegPAKN4w5c3//3cTfC59yGv OOnA== X-Forwarded-Encrypted: i=1; AJvYcCU/Dkl9Sr6FXNPw3rtjJ/gTCZFQkwMo5GbbjuMipjACu8RI2Qs4Wqmddq92XqpOV3aJIaSoM+7jT03rj60=@vger.kernel.org X-Gm-Message-State: AOJu0Yw8LuS7NIaBntfDapquPA/bWo03PxNJ+RRXu/F4+5Ie+4AhBOYj 3DuCBG+y4bujqP6lAyquIrmPv0n+mQT2sTO8SgQErlIWGU1qepeKN+W2a9/VNTV0ZlszuC5En2E CthAQqZy6gDrFLYO+80BJ3kIsftJKM8qNgt+AfpGfWs8Sok33kR3czxc= X-Google-Smtp-Source: AGHT+IFptQUwr0vWB48z5MQA+lS055fW8KzC0Z/W0lDTudEaSMJjoJ1IOd4t4h9R8987EX2vPCMiQLHfteJkx5Pp1+5r9pczYkFY Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:b28:b0:3a0:8f99:5e00 with SMTP id e9e14a558f8ab-3a3bcd962cbmr67041665ab.4.1728927243134; Mon, 14 Oct 2024 10:34:03 -0700 (PDT) Date: Mon, 14 Oct 2024 10:34:03 -0700 In-Reply-To: <670d3f2c.050a0220.3e960.0066.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <670d560b.050a0220.4cbc0.004e.GAE@google.com> Subject: Re: [syzbot] [btrfs?] KASAN: slab-use-after-free Read in add_delayed_ref From: syzbot To: clm@fb.com, dsterba@suse.com, fdmanana@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, wqu@suse.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit a3aad8f4f5d9d9a977ee5be32b07bcc083cc8d28 Author: Filipe Manana Date: Tue Sep 24 16:12:32 2024 +0000 btrfs: qgroups: remove bytenr field from struct btrfs_qgroup_extent_record bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14596887980000 start commit: d61a00525464 Add linux-next specific files for 20241011 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16596887980000 console output: https://syzkaller.appspot.com/x/log.txt?x=12596887980000 kernel config: https://syzkaller.appspot.com/x/.config?x=8554528c7f4bf3fb dashboard link: https://syzkaller.appspot.com/bug?extid=c3a3a153f0190dca5be9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1266c727980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ce9440580000 Reported-by: syzbot+c3a3a153f0190dca5be9@syzkaller.appspotmail.com Fixes: a3aad8f4f5d9 ("btrfs: qgroups: remove bytenr field from struct btrfs_qgroup_extent_record") For information about bisection process see: https://goo.gl/tpsmEJ#bisection