From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 EDAEF1E22E9 for ; Thu, 6 Nov 2025 11:06:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762427165; cv=none; b=qJnjc6yqmUaw+OGufmHgxy8fAPCrEsbPjahQchnLPhnF/OXQhZGLi+62Ayajz6OFmFSBs+gHCMsXDBpwM64dtKvLB+1sHR55FLsJQIeGInLfsJFTmgYpQgPlzCcqxXAoj1RIUL4FitDV2UkdOfStMlouzECG9PVHN8v1M6Ixq3g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762427165; c=relaxed/simple; bh=MDxxMhIORU1N6H7vl53fjvMx/eCJgCUEAWu06Xd4fyo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=TXEm61Xrq1Vbgk52dj2zS3tmb+4l/VLi9AQC/GQrWIby0qfUinTqPOTiyNI7OL0Yrs14iaqmZQoNX01HGDDIAeAq3t9bU4gx/E5dI4AmaqDFgKZhF+fyCahUs47h1tLSAb3N+XBZc7Xpmh1rgyZRs7l8fmNsvMEGcmy6gy9FjuQ= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-43322c01a48so2052845ab.0 for ; Thu, 06 Nov 2025 03:06:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762427163; x=1763031963; 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=7YLmpBcJQQJc3uvBPyux9aBsbuqfkQpqtFUsIwakHSk=; b=dHjXrHS6ORlIyeUIMlyvEGBpzwDYAZspzXcPlzNaN/6NnltCTOj1ELSY+Q8MDaJXBm FdTGksQCHNSipmx3Zjo5oNSGBedYh1KUjPy+/S5Oi5N0MMXmIhe3RVlOKCcmnOO6eiY8 RCYQ1XGLqQ6h31FO1quKf5heG+ll4rgJTFqQ8eFHbpiFTUi55c7Xs4Y+Pe+z/Fhye7Ej mI7DK4/7cu21mjgI0x79/b5ZtdtV+Dtr7AQs10/wqWey+rIkZkF6lszB/Q5K8KYhj3vl jvAS79rboTMvLUaAke29YMiWMeup39B5wQxdqppsa78WKGlbsEUMqJUq8sJLA/kNA+8B 52Ag== X-Forwarded-Encrypted: i=1; AJvYcCXLZyIS1tK9WgeoDCENNPGhxlN7lJdyUptABoNE6Q/bU6Isg2j92inJT9I1IJ+54U00/SgpB0bfvQcoScs=@vger.kernel.org X-Gm-Message-State: AOJu0YwA7DOAz884cHSulFDaLbEWqF9lP6Ex1OIKtEHrMjxkxmuBG5tw pEkHkPG+B0kj7lMNvipAR1PDtVilGDeuoYwYeizGt2BBGyynM7RGbcaPbFM8TK8D06DR6PFEUTG +pdR8+D+ViXa/ojPfncG6aOeUsXysIzLiELfLg/NRTFsvw2HWUU8B43TIpBs= X-Google-Smtp-Source: AGHT+IE/u/KUDmfVhtAT+bF/JPkOxMXgQqhGjaEF35rveLN7I4NxGZIDTM47S3PtW6CsTFA7cmt9IEyen43RF5wsFZCo3/mO09du Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1567:b0:433:2400:2eef with SMTP id e9e14a558f8ab-4334ee78384mr39296765ab.13.1762427163097; Thu, 06 Nov 2025 03:06:03 -0800 (PST) Date: Thu, 06 Nov 2025 03:06:03 -0800 In-Reply-To: <6774bf44.050a0220.25abdd.098a.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <690c811b.050a0220.3d0d33.014d.GAE@google.com> Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in filemap_map_pages From: syzbot To: akpm@linux-foundation.org, chandan.babu@oracle.com, david@redhat.com, hdanton@sina.com, jgg@ziepe.ca, jhubbard@nvidia.com, kas@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-xfs@vger.kernel.org, peterx@redhat.com, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 357b92761d942432c90aeeb965f9eb0c94466921 Author: Kiryl Shutsemau Date: Tue Sep 23 11:07:10 2025 +0000 mm/filemap: map entire large folio faultaround bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12658532580000 start commit: b19a97d57c15 Merge tag 'pull-fixes' of git://git.kernel.or.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=292f3bc9f654adeb dashboard link: https://syzkaller.appspot.com/bug?extid=14d047423f40dc1dac89 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12399442580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: mm/filemap: map entire large folio faultaround For information about bisection process see: https://goo.gl/tpsmEJ#bisection