From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from xmbghk7.mail.qq.com (xmbghk7.mail.qq.com [43.163.128.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3BABD33CE87 for ; Thu, 4 Dec 2025 12:06:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=43.163.128.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764849999; cv=none; b=hvck3P3TxoD0zlIjqdzO6ZQXaT0wUKSg/IjnSYn5Hnfft4V68+5TbemBwG3fNt/MO9DdRQCHA0dDwCxiEEQ2y3OkiLo3vpcnd6JN8staXtCyzib/Ww/vFwFaNfr/LJyeUTysM3xAM1Rhyy3KcupYVi8kj3+tmu9XHcCGTRbqXQ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764849999; c=relaxed/simple; bh=1WJq8HZZeZuXYH1ooGYrtPWGeJPH1NPUTYOwMDdLCcE=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=Df7hhipTC4ik7Cb/5mnoqc3wHsCMcxL24sLbMdCoOqgdPG2CKeiQU7PNgKoTa6phi0RiUTijqrUjpFmNdIxYx+VRi3mBOCyZ0L1KmDfwJlPExHe4BbsImwJoOGFuqKMApTnMddC+73GO+FZEFmkI1CWk1p+8iWpYdV4Ov89ExN4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=VNXnoupM; arc=none smtp.client-ip=43.163.128.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="VNXnoupM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1764849986; bh=JkZVxyAzKjgtG1qAW0hRCqYS2G2uhi5lyqjo7G5o8tw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=VNXnoupMyw2Zyiwt839JdZ8Sda7W19S5RfMw5bh0xHh4iAVG9SGRO75ZRNHtqlCH8 W0SJ9Fc9d3d/ZeTplhanpAOtXOeLEZPhPR7jvwg0/fVNXl11AMR5NkrqyZHdqEKyYF XqQqMVbcyuARMZElshvG23w7EN5Ma6LFSdppKkPg= Received: from lxu-ped-host.. ([111.201.7.117]) by newxmesmtplogicsvrszb51-1.qq.com (NewEsmtp) with SMTP id 1983F2E0; Thu, 04 Dec 2025 20:06:24 +0800 X-QQ-mid: xmsmtpt1764849984tcsk902a4 Message-ID: X-QQ-XMAILINFO: OK7NBzdNss/Rz6rSkBWhPglNhC+MolstJ2VXHe4k9A7qVXpZVudEGo1pqG96xR +xx51JHggAt2P2fteicZeiOb0btsGFHDKsg0UMAI3oYJ18JjfAlkuke0GURvRAZOCRr0L7Aef4JK gandcikabPt+jM0tebU7aOBJEsQH1q7ucEawD7z2L2yzhkZl0IpDULczBUL3rYsQ3GH2q41pWzSW o54ARh85N0DpVWkajVkiT/a6AlZkKjQeGiQhPTQoCNCer+uiMyCijtW2qUxu1f0F55SM/7F0XnhV qx9E93kNU3vCENpZW5es2XY5KmJPjRCrlqK2yqnCeo6AmupXGAKTxso5bb17+GZ5D705zz/JmP0j UZjxe0KkyUyljH+l0yOXKsl/RTKhmAwWi9CBm63WLhBw8jpLo25icB5o7px495lY2xQGIjNNEA3L MqXQNHn8hFndXD2pSPyt0z2Mk90Z0MH17XOPJm7/Km+YeBsbOV1KuykVdqu0h6+D+nhdXDFQF/sf 4YSMY/WZPoDLR6ueBqEg2/2XMCpSAmllMh4gflk4Ul2dcXBYNLj5oos45gwSFUpTlLTqrlwim7nz 2UTy2KxbOQVJrVp1vgQU63etQ4xf2ZvqXwCfyd8xH4qvNMi2HcE5FygHvQrHpV00BOoMDpynsv5F ubWHH0IxH0CZ9IOMllGJJg06aHJuZP7F8IKpmQVuHXkNBM15Y38cQHKh6KQahW/0CdPFr3ySgdoo TDAMAJfk6xrVPgptLoz1Axl1eRtYN76ATMpBhGoznSxesa9wB7JJEqaRas7s7DLn66O58EOjx9sG 7RnigCI0uBLZohnrlFi6ovUdHg+IFmzMV4JUsRs1eHDjmGef8jEhxwvNDZXT5OEvkU+UzZPuk2JT mn419ZCSzqQoZzSgLvJkWPcu+GcT39iE6smoILsxBqmgt7ejQ6XK+wMmxwGfsQNBSTlRTja5BZw4 IMbUFuavB1/CXmdP7gWnbjP6PCPUJGmmCK4W1GkYmEhHMu6TDLNiUYTCeQpGoj X-QQ-XMRINFO: M/715EihBoGSf6IYSX1iLFg= From: Edward Adam Davis To: syzbot+40f42779048f7476e2e0@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [fs?] general protection fault in fd_install Date: Thu, 4 Dec 2025 20:06:24 +0800 X-OQ-MSGID: <20251204120624.334489-2-eadavis@qq.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <69315929.a70a0220.2ea503.00d8.GAE@google.com> References: <69315929.a70a0220.2ea503.00d8.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #syz test diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 56e811f9e5fa..1fad74c5d348 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -877,7 +877,7 @@ static int prepare_open(struct dentry *dentry, int oflag, int ro, if (!(oflag & O_CREAT)) return -ENOENT; if (ro) - return ro; + return -EROFS; audit_inode_parent_hidden(name, dentry->d_parent); return vfs_mkobj(dentry, mode & ~current_umask(), mqueue_create_attr, attr);