From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) (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 0B0CD347C7 for ; Fri, 24 Apr 2026 21:23:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777065786; cv=none; b=l4gpzA1HDSqVkHyM6dz1BaqD5ZKKRGcbWiz5hmWYk0fjt5/yAgsCs9E+/Riep9yqgTeoiaX2NghWr068zlaagRSMN/JyvdSmC/Q/TJEbXRfjsYHtOpBglvqXrlqkg1Ug1VW/MWXjj18h6/3xiaHkBAVoqn/sbXZJDpiEsz1P+t0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777065786; c=relaxed/simple; bh=i0WNW3Zr1k92VPVY1XyhCmlGR/Egp/5bFCKpG4vJq7k=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=V4yy9Nm+h6cC/f/jXFtJWm3kv+k+ufMAEtC2tvEGHzGePYgSIFC6YFyN7cYAnYxwakGYLKdFItWZznQTnrqwCVcOWmPekFq9ZkmgOMe2DjbowRL0V2x56IORNPe789hJI7NKMassWBZova/CyeAeOrlz1MHke8JKsGGJpjPipg4= 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=209.85.161.72 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-oo1-f72.google.com with SMTP id 006d021491bc7-6921f42fdc1so9490819eaf.3 for ; Fri, 24 Apr 2026 14:23:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777065784; x=1777670584; 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=r8uKVLAjcJU7yEbWuZ8y6VpnbbdhgCUV27v+LbFgSHg=; b=QO0YSWf2cZ6/6i7K4Gy/xeD5sbzq6wQzVXE84blK/lnkv0RtzR9Z2+idpj5v+l84CM 6JOaXue5Gzp+eVw0i/MLFF3LPLmNSpB5c1hkHLXKpGvzPygHIYAPuYvn4+dA9dtXvHAl yWhC2VcLP73nhb+FH+1RwVS0UEB5x/Qu10MV7dH7C5IENW+gB4JXtDKuR6KhbAqkq0fH DDH7r2+ONL4jmDp2q2FbLVh+KRIAHDBopNSwRWNfCsjm9qlOoXxbDQbGeqaKwy14qLa9 amoqWHviquP0VnPJcIzeRfBWo+KhcuWj6/v+8L7HHMbJZQKdWCu9mnfTBO9NAgjO9B0x syfw== X-Gm-Message-State: AOJu0YwNwJHw8DJKz3ZhxhCDage2W+27BWi85ZDwRgMzaEQDdokxNETF VmQL8nr5tYMfgQPloM9QVsyFYbuDSC67mlV7WscWrSbzkjfkr6H96TYABzdqmbhvUbeVBliRkcP aGCabWkNWL5u7guR0kt+JS+uBLFJiUnkK88mkQVkPXfax8hSnFCxMI5yhrQU= 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:e905:0:b0:694:8ad6:246a with SMTP id 006d021491bc7-6948ad62cabmr12437636eaf.52.1777065784148; Fri, 24 Apr 2026 14:23:04 -0700 (PDT) Date: Fri, 24 Apr 2026 14:23:04 -0700 In-Reply-To: <20260424211614.47023-1-mashiro.chen@mailbox.org> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69ebdf38.a00a0220.7773.0009.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, mashiro.chen@mailbox.org, 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 Hunk #1 succeeded at 1804 (offset -2 lines). Hunk #2 succeeded at 1857 (offset -2 lines). Hunk #3 succeeded at 1980 (offset -2 lines). Hunk #4 succeeded at 2127 (offset -2 lines). Hunk #5 succeeded at 2174 (offset -2 lines). Hunk #6 FAILED at 2207. Hunk #7 FAILED at 2226. Hunk #8 FAILED at 2311. 3 out of 8 hunks FAILED checking file fs/jfs/jfs_logmgr.h Tested on: commit: ac2dc6d5 Merge tag 'ceph-for-7.1-rc1' of https://githu.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=80b28e8d6ef9384a dashboard link: https://syzkaller.appspot.com/bug?extid=6cc93ec9a4035badb85f compiler: patch: https://syzkaller.appspot.com/x/patch.diff?x=12f171ba580000