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 256D7ECC for ; Wed, 11 Dec 2024 21:04:21 +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=1733951063; cv=none; b=e5Krc7atR+FdrN9nU9TihR+CU0tVP+HT7zrs/ceeMoTDMpSmFFbI+Qgw4BKg7nW1PVSmMJ7XVaV6gvl0a/RJG4b1eRIqJbMQa//hwiSXEXrHHukTC5Jp+XkYFuv75mL4u6HNppSnD0hnhWZXpiiURDhswt007ZpMuVNM3un9Pac= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733951063; c=relaxed/simple; bh=r5RWI4DUvKeF2ncYKqSt6dWYggoSmrQO6kupdmBnqdY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Af4QY9Ky5nxAjktzJHC/70JCOxklAaLLBa/GRTja4shXld1M25b8MDyUSxq2xXR9Sl7VvkybzDS6+Cz86sfclnjzdy08wvMXMb6zrvYy/nXpRoi3ySpT+ZE0CfaFc8czpi5tjPTLhuLV8A5fo5cQfXRYige9pafcVhQj9IyAoWg= 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-3a81777ab57so48856895ab.2 for ; Wed, 11 Dec 2024 13:04:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733951061; x=1734555861; 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=2pUPUKzdBCP70aP2KdcRfmndxHeUQS87JsUphvI0xsk=; b=Xrjt6h0kpJF4tW4cgv8QBcMMlndV8OA8Pedz92bHmh64LdczREeOBC5s5MbXTreGbv yrl8DGWh0Wl+0Y6xNUYL4K2Bg9B0Ua3fx9iHEO0T6pgyC+f5Jl+kP8m4mZAgHeeAM5cA n7jAQsV6hCwA0hLtLuTWcOElg1sJMTLOHr/Eyl4Uidy/a/Wubjj6QS0M1j3FAOOBUwOQ 1JdGn4+o+eU8rYz01G/8Jpp7Pu70rHKGLcy+oVuIn2Y8RNcC12WF9zm9Y6bkDjBDAC/a b5ntIEGkf1vXlALJMo7K0U7+I/NwUEdD2C1O2UMG5mN3S+qFHiSpGe+J5I2xA6Tq49KQ GpuA== X-Gm-Message-State: AOJu0YzIuMDExBMmMvw5rjEreK2eqZtuyNU4QFTRq15jGLlcCAYUEDrq M87hqZ7hcRBtY4GYhi0rcDJhb2zFLH/1Qz2ezsWPcW+hcKFbW053+70jf52F9CvkuxQPw4Yvuz+ uw1QuepRN1S74POr1CWcxwIx5XUZsqk93EDycFciSe134oA0aMsuI+gg= X-Google-Smtp-Source: AGHT+IGHCWSTEwIuKYrWGUbiRGy4BuuiYSgyClOR1Azlzg+DML5ukCAg4Wc65CbUPulYcsXkXUhCZpZ5barmMqrIb80Jm1RbHUpO Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1707:b0:3a7:e528:6edd with SMTP id e9e14a558f8ab-3ac48f8cecamr10118065ab.12.1733951061384; Wed, 11 Dec 2024 13:04:21 -0800 (PST) Date: Wed, 11 Dec 2024 13:04:21 -0800 In-Reply-To: <675963eb.050a0220.17f54a.0038.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6759fe55.050a0220.1ac542.0011.GAE@google.com> Subject: Re: [syzbot] Re: [syzbot] [v9fs?] WARNING in __alloc_frozen_pages_noprof From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: Re: [syzbot] [v9fs?] WARNING in __alloc_frozen_pages_noprof Author: leocstone@gmail.com #syz test diff --git a/fs/9p/acl.c b/fs/9p/acl.c index eed551d8555f..1b9681d58f8d 100644 --- a/fs/9p/acl.c +++ b/fs/9p/acl.c @@ -28,6 +28,8 @@ static struct posix_acl *v9fs_fid_get_acl(struct p9_fid *fid, const char *name) return ERR_PTR(size); if (size == 0) return ERR_PTR(-ENODATA); + if (size > KMALLOC_MAX_SIZE) + return ERR_PTR(-ERANGE); value = kzalloc(size, GFP_NOFS); if (!value)