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 2CD981E86C for ; Sat, 27 Jan 2024 09:05:07 +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=1706346309; cv=none; b=M94fMsZeFpKVsRbCaHINOxgZmnUubZ6eBLm+rjwuHH69iWNGs8jOtqS8sqeaJm2ZeH5qg2jgnMhMvC/F9O76OfmvQaSRt1g0HFA1QeHpEk1AWaEYhVAjzelMv1Dfp9w5U9tqJNOfCNYqyMdojOITErLTPZSKiCwFke8af0qPEE8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706346309; c=relaxed/simple; bh=ns7XcGUGA6EXzw9WjRju1sbQES5lkWOliR3cZs0XBLM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=WnnhKRoiKzgwVxatrsQDCxB1+PYn6B9g6UBBT/VBrJ5PDTtQ2ye3ufbHs9Z7zZeBNd7mtmEMKCULd06MfH2gekY9VNnLqqf51d/zwHfT3zR6u6xoaxBHRuLsqHK0h/rSOL/WK5OESbOdoqjeriUS1HFaWRwC3+gW8INInABufzA= 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-361917dccfbso6529025ab.3 for ; Sat, 27 Jan 2024 01:05:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706346307; x=1706951107; 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=r07qcjZtk/1Kh0i0MS4Bc56d9Yw9HmQpMjUB3qESI2w=; b=INYpB8Ll/BnupPefnnbEZr6IUGzuXXWyxI3UjIofh344C1wEkRIgZmxV2D/vXCqgRi snHZcrXTj0/UnaUbuNygVAjKHoOYSZknLvgvQoSsdFsYKBZaGVXdkLa5KWAazmiP4nM3 NgSIELLyNkD8W7xvdBqoBBhXhhzw9LCE4MZ/2Q2r6r9+X3fOZyZmgRsb+Pw+GcFC/+mp fve4ET/EOnoCA8SgxESEyTeNhdYsGzkswhEvbYgq7398GSVByoxOOJRZs+F+9O/XB8t0 JbYP0/RJMkqyZdq2K01YEmCfij2jqw+d8xvKGDZZ4Q0CuaD9Q6S6A0APoNw0B3vjR6Kw +pUw== X-Gm-Message-State: AOJu0YxxqFCq1+K8N9wdWKd+oeN1RbGE+FEW8rwZJj7hRuAkJV4r8JCE IA5tMCH4Wh4PC8WUHhpt9oXFQk6qbtlYzdDbBzmtef0BlOD8izNlzZAWziIEiUpOGArFAFeyi9V N3vbEUsj2c/6YmLn31uJ9BDgVbym9/TR1E5cFodztOlMopARxAVrVFsk= X-Google-Smtp-Source: AGHT+IHvq6oghf9D1tVy/Q1TIUTPUfvvY/I50fF3yj9XD1Ne0UfhLLjH39DdxYrYMn9IskGwwMbQzZhGEjiao+RdXb3YIM3mTPfH Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d99:b0:361:aae3:4ee0 with SMTP id h25-20020a056e021d9900b00361aae34ee0mr142037ila.1.1706346305289; Sat, 27 Jan 2024 01:05:05 -0800 (PST) Date: Sat, 27 Jan 2024 01:05:05 -0800 In-Reply-To: <000000000000c7970f05ff1ecb4d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000064064a060fe9b55a@google.com> Subject: Re: [syzbot] [ext4?] KASAN: use-after-free Read in ext4_find_extent (3) From: syzbot To: adilger.kernel@dilger.ca, axboe@kernel.dk, brauner@kernel.org, jack@suse.cz, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu 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=17b36eefe80000 start commit: c42d9eeef8e5 Merge tag 'hardening-v6.7-rc2' of git://git.k.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d05dd66e2eb2c872 dashboard link: https://syzkaller.appspot.com/bug?extid=7ec4ebe875a7076ebb31 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1585ea50e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=157ef53f680000 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