From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f69.google.com (mail-oa1-f69.google.com [209.85.160.69]) (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 4F0E63AF647 for ; Thu, 12 Mar 2026 21:45:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773351918; cv=none; b=OmQOg/HrJyhH6f4mE/LXuTc4NRmeOcweTobgr3+GaQwOf9uVzILErG9Xv/I52TOjq7faMMpZlbDWwZBiFzMv7P3YgEmmpR8ZaHxdoCw801PceKVbWGd7ZyKqugyZZdIEt5I55qfOU7Dyhzt6H20UlBzQ+LQ/oSEiYh+XD6yHifM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773351918; c=relaxed/simple; bh=2zEnkiNbf31YX64p28hxU7AZUJZqOW2AG/8MPBGTfio=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=I7gLcHbBRkKunoiOuNcKSnY5zcjxbKIs+R+68Hkq2jbplEk91wOLHyvdBQzCmevjABm5WvK4zat2zN3OSt7AsWhL0jSDtmxc+eTROLYk7b8cTl5HFXg9+EoUx/lAhFOOBrzBO+hb+Kmh2fOZ+wIkkPQBFC/lQbZZZTS5rv8hPZU= 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=209.85.160.69 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-oa1-f69.google.com with SMTP id 586e51a60fabf-40efa542b8aso11376197fac.2 for ; Thu, 12 Mar 2026 14:45:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773351904; x=1773956704; 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=wNipZgMXjcY8FP5oGa9lTgq0WeufjIaV2y9ifVRXOFI=; b=Ni2TmwbrzeLm6jeEn5WsRHpETYYtYTqp6DH/SR95lMgYFBy6bBqgclQH6Ti1XRlQUX eU84xg/ECXY4nxrO1SIPrdsmvs0jy4hFwdiMoijCbSePAkghevqKzZvjwvQrnT50XX4i 6o7z/DaIObXoVZBSNLOa8DhE1MoAgMvFJQWv/USMbSeLoDrHk0DYSc34HtcqgMI+osGZ tm51hNXVqYhn5GAibcgOCXAaPjXAl8COrdY8PVPa3NK2RIA1xhs6l8ko2/Ie6d6dh9sS OJ+UJmvU7nTW6VhyqLs1gzgW9ldzOYyAjqwcJKB2pbeHuqxUAyDE46NRq22xDwpd8Yzk WI1w== X-Forwarded-Encrypted: i=1; AJvYcCV4sBpFZ6lpEpN8zYxRpCTBiRzUwQdnkOa6Chj6YpBtYHOnkWCV3je12WMbDa8jFhfiSVSuOetknyKUstM=@vger.kernel.org X-Gm-Message-State: AOJu0YyyBB/QmbzjABSFkbPTFPU8iEYsPJLN7se9oETfduFPf6iljsB5 H4ZrkE9RSYiY3U4qD17/hMuRW/VlYgaQgvMDbw5VUyr0RXJTg7V+L4w/aDM4Ao3PmgqzYlnkTuF W/Zi8On5xnt9hceec84oAZcWyNjSuMnHogrFqcFHS34Jbn7nr3ATXN5t6svU= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:ee87:0:b0:67b:b0a6:5f0e with SMTP id 006d021491bc7-67bda9bf308mr634861eaf.23.1773351904245; Thu, 12 Mar 2026 14:45:04 -0700 (PDT) Date: Thu, 12 Mar 2026 14:45:04 -0700 In-Reply-To: <948ee2d1-0ad2-4d23-af67-609e27dec933@igalia.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69b333e0.050a0220.36eb34.0003.GAE@google.com> Subject: Re: [syzbot] [ext4?] KASAN: slab-use-after-free Read in ext4_ext_remove_space From: syzbot To: koike@igalia.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+b73703b873a33d8eb8f6@syzkaller.appspotmail.com Tested-by: syzbot+b73703b873a33d8eb8f6@syzkaller.appspotmail.com Tested on: commit: 0257f64b Merge tag 'pm-7.0-rc4' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=164f84d6580000 kernel config: https://syzkaller.appspot.com/x/.config?x=24bbfbcc181e891f dashboard link: https://syzkaller.appspot.com/bug?extid=b73703b873a33d8eb8f6 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=120bd75a580000 Note: testing is done by a robot and is best-effort only.