From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 9EC335B5A8 for ; Sun, 11 Feb 2024 13:54:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707659645; cv=none; b=HrY/Ifm9C6F6ueVDGhTZoReUq2IDynm8+pvsCCXTQiEZVizUJJz+ul4S722ujosOJOC0PzflbKS8sTpSEtbAiEXevxLawHHEqYD2B9biHxXXLu1X5a9W5pnuVJyEkUYe5H6aiVUXqbICDbcpisc3ffLXc2tJYOEFvlQNyoWdSkE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707659645; c=relaxed/simple; bh=QfskRQ2tZ6z9kHMofE2PlUlWAZ+urn2hRUM0gskw7w0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=A0weBT+AW6dkmOUHve69syta5QDJLVAiTyN9KVrc58N7naDKH6uoJw5M37nbyAuasf6F+6aYuKS5o26xeVrTFIHw+vxz592mAhmSvp2o7tpPBeKDTXzliKdkYzQ/kvfiqpfVWftLnU1zA3rh41SwCemkSqCWly1aXw8sXd/8XX0= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-363ee8646b2so16613815ab.2 for ; Sun, 11 Feb 2024 05:54:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707659643; x=1708264443; 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=ADU4lvVGHE+3HsoT81VTSwjst6sh3uN/uviuVPMtQJo=; b=g+08w5ydZY14vK1yzK8ArfTRrNxKt/nMCwqLmIxURNsZOEsor1sGReE5bhOp7Wo2tf h6EAnhmWvoxqC9TPUMwZHlgR9/GiLa5HPyoW1tM+aby1YIii3sQn7GVglWJLT+R1JLtj 6P5YHNoGJfoDsuV5hy9BhVje3wAS/+VYuOMlRlghw9pZ0feMeTEunI2NDrKGXwt3hm8X 78kJ2tGAfRKD0ky9bnbcZAGfFF7J9DZAZviQm1MAEcdl3nZqxSLtncU+Vb3iLJ1gtgAS KsyPKC0XoqoVma6NJ9W6yiMaHifvD0UGZ/E5KhNFoDeiQOxMC3DFIStbLw9mSEBH8p0K d49w== X-Gm-Message-State: AOJu0YyH9xRT0GQxTU89r2jNOhz9njT24X/Nm9Rkow9IGH3TE/p2xupJ qPsUz2P3S2eEHU7cMjfUAW8MkJg3mFgwfQ5psTcTaLKOiuiE5Yd52xoAEcJ9+aAADiAJEJY4Hd1 tGXyL/nmtYyC+//pUKYsCE7gHrs1qIna+mVcWxQPdGxZXcDnrSrOdjK8= X-Google-Smtp-Source: AGHT+IEz0MKD6kefqXkAR8vdX7DHm+pBCnj4hCMq0YjZ2b81XNvAEYMDkgb9lwV3dq8/C/1XVyKqbkLkaD23oLLgYdyAf2Qpun4S Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d02:b0:363:d720:a9d0 with SMTP id i2-20020a056e021d0200b00363d720a9d0mr383219ila.3.1707659642864; Sun, 11 Feb 2024 05:54:02 -0800 (PST) Date: Sun, 11 Feb 2024 05:54:02 -0800 In-Reply-To: <0000000000001655710600710dd0@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000690cfd06111b7ee6@google.com> Subject: Re: [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_ext_remove_space From: syzbot To: achender@linux.vnet.ibm.com, achender@us.ibm.com, adilger.kernel@dilger.ca, alex@clusterfs.com, axboe@kernel.dk, brauner@kernel.org, jack@suse.cz, kernel@collabora.com, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu, usama.anjum@collabora.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara Date: Wed Nov 1 17:43:10 2023 +0000 fs: Block writes to mounted block devices bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1764f648180000 start commit: e6fda526d9db Merge tag 'arm64-fixes' of git://git.kernel.o.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=1e3d5175079af5a4 dashboard link: https://syzkaller.appspot.com/bug?extid=6e5f2db05775244c73b7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16a56679a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d76b5da80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fs: Block writes to mounted block devices For information about bisection process see: https://goo.gl/tpsmEJ#bisection