From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (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 24B2D41760 for ; Mon, 20 Apr 2026 04:18:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776658684; cv=none; b=sJVhhWbD6qu3DGu7oGGoXZnO+qDx8NfIT3EUa3KaksHZH3ePFpsy+k+WlgF63ZAHMA3v4O94OspHMSSZBh8/Bo10ZbxEKPvigBREQJ50Ae9/5buOdbhhgvxNydiWxRrwraoPErVWEss1izsv8NUIZ6RTd1ZT8oXrXnUizgYdElk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776658684; c=relaxed/simple; bh=cjyggES60v6egvGn/VrEgfXIlFPOAXxLNp/n4ENn1dE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=I4qUImkD8Y6C0eJSTy861bO2x2icdL3dHbM+Mw9DCyQd0wMaCZVN7U1drxj7STe9EuseXXySYy7qEkmTsoXA2zhSTRGBUeEpryeye1s+wklSutL9Ed4iwp3lnMi0NRVMlePkStTw0sAxGz3OxxC70mKSeeEoL44hxnWnS0rt9+w= 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=209.85.210.69 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-ot1-f69.google.com with SMTP id 46e09a7af769-7dccbd50e3fso49685a34.2 for ; Sun, 19 Apr 2026 21:18:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776658682; x=1777263482; 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=+J00BXxarniwa9kalyWN+3wiGilPhAankUJf1F6R6kU=; b=GovhKe0EQ8T6M9rZhSYhCjnOAIMw9dQQgw7pCaIIY9OsJE5FAcCXU7Xz+ObMWo5Rix vojPcPSqZecy11Sqj1/aafDMPX4TZVGwX+qxKCrHtmEVS2kjPOwfVplfeIw9FRTRBMpa iLiRWRyUgP6AiyPUH/cjUiCHlRBZw8Q2Tzjhoiie2j900spLBB6Dw6793eH0sunI6Ujm v2HqnP1iPkSd5LAwXiSvYJIdXULOaBo8pWXuJ5ERJ7g4Q+r7KiR7vHjDVJ0Q/Dq4QnFb voN8h/gueXHhwScUnAS2ehK5zLBtU9AwzXi7ElThuNF0EbkHPmVp7zKQJi7s1IF6Xu8R ibag== X-Gm-Message-State: AOJu0YzWsojLxJUQuOBtzHvKoDQ6UoZc5ULUo82BErbqlC/R4hNlo6E+ Galv2P2fV4Gsg3HuWLMNFAaFKehR6bqPxaxLmglwBtDqx9y+PRwl4VbnhzWwqlHfCH36nsLm6ch injNIDzrv/1LdAQGPiuA8EIgAG4BrSMEYNHu9i/1Dj6RAUH4AOJCXh8vntcE= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:82a:b0:685:5300:f1c2 with SMTP id 006d021491bc7-69462ebb6a5mr6862592eaf.28.1776658682127; Sun, 19 Apr 2026 21:18:02 -0700 (PDT) Date: Sun, 19 Apr 2026 21:18:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69e5a8fa.a00a0220.1bd0ca.0061.GAE@google.com> Subject: Re: [syzbot] [mm?] KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) From: syzbot To: linux-kernel@vger.kernel.org, suresh.k.chandrappa@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to apply patch: checking file fs/jfs/jfs_logmgr.c patch: **** malformed patch at line 23: diff --git a/fs/jfs/jfs_logmgr.h b/fs/jfs/jfs_logmgr.h Tested on: commit: c1f49dea Merge tag 'mm-hotfixes-stable-2026-04-19-00-1.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=58b036c829d44771 dashboard link: https://syzkaller.appspot.com/bug?extid=6cc93ec9a4035badb85f compiler: patch: https://syzkaller.appspot.com/x/patch.diff?x=1493c2d2580000