From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yx1-f74.google.com (mail-yx1-f74.google.com [74.125.224.74]) (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 2BDE545BD7C for ; Tue, 30 Jun 2026 15:47:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.224.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782834452; cv=none; b=KGlpjqnsIYQGfVxwiIExBMXrqxdkj6eRKkBzCSR6zRWecRGS9xFNGEed+RntpSl1NxYUFn9otuRR0otYAmRT48pbavcrEBY44IebMNUXYqMRsbcBHV2kTcQJN4eVmW0gHDQomD7rfSH9RpZ1/dwfDCl+n7jCz+Eqm8I4T8cIzdk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782834452; c=relaxed/simple; bh=P3Nqh8wnbMBfTY2M0Mt9hSmrJ36sjq4asgHdNENPck4=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=IYAY3FwWUCpkMgFj/AQvHxwYSKFTM/L5lba6ofDDPZ40mkmHc3wN/YlUNXpZIvRoMRTpwvtD6JztZNHLMsg7hKLZfu+qa9pJb6zRVpdeSCcWD/zBkcE08nUrBMpawNgyorq3BS2X2mfNhdUuj1GTiCsQ3dn/pxeDc8gBHY1ms0E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jmoroni.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=PHtvIA+K; arc=none smtp.client-ip=74.125.224.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jmoroni.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="PHtvIA+K" Received: by mail-yx1-f74.google.com with SMTP id 956f58d0204a3-662f741fe3bso6468335d50.2 for ; Tue, 30 Jun 2026 08:47:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1782834450; x=1783439250; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=baPGGZ83tN4mj2gPgeil8r508KQAmb3G89QcFSzqNks=; b=PHtvIA+K5V/2iNySpG5swXUAiRu6PrglPQj93FZ3o8jvr4cDoCEL0+Ec4wCfYGn38j ADUsgDm9Wqu2STv3Mgqhu6zMjpiO8Q3xUawZ09AgOgHLToiM4JrjH4Kuny9qLjuPIs0V wQ5Az/9LX/iTg5eSCdDG3GwbqodpFaSavI7CIBLN5UApld/kIkB0x+I6k9mOwd6Ju9xx IHXNBQUNJvotppBVbhw+ig0GSZRsBQqywC2iJ8VxnOr897F55kGunCISzXLOp4mEVUsL hJkaJ+sPd5/Ct0RbYFB/0K0pd/BqURN3KtYJw5H65fdAih0rhXBREhjnAnIuS1GM8VhB EU6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782834450; x=1783439250; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=baPGGZ83tN4mj2gPgeil8r508KQAmb3G89QcFSzqNks=; b=WuvgCTYGg16qbSo2QbbggM6/u0PZ7Q40uAsh9moF9SZSkE+J2RduLptae9xVuzD4Rq L60GLzhco3m6V/xu0bVyrMRD+u8zKJPsKDW+X4N87ZgLckpmNbZ4jD9Tkf/acIElKfPn DdWiNQwwMi8SaiVcsOe2aNoJMUHaxSSsVLf0gj6lGZxpUsOocjutABkie3fzKVgAm8kY q9XDhmEyI1Pld3Eebr/rsa77A/LWXpxXX0cYym972eAqD/J8Cm6rCRkLuuzEClrB4q8x gEKJq0dPdj54bzOuH3qiSppxv1goTP4MUm5GbvVasgM0mIbIFyhpA6xDWNTAeKetV2w0 Vk0A== X-Gm-Message-State: AOJu0YyFKjRYx3wjNBtkG8nUk3ztUWYMRnidWEFKxZr1Nq1Ymc+pM7J1 eDwrjo564RM8vZWpnQCq5DjlFjW94EeDsiPSGVqpFtyoCKjem9dE4Mk0cE/SdLh5KLJKRthQaCj 9lEfwX5JWaw== X-Received: from yxab20-n2.prod.google.com ([2002:a05:690e:1594:20b0:664:a0f9:940e]) (user=jmoroni job=prod-delivery.src-stubby-dispatcher) by 2002:a05:690e:1182:b0:665:e31:fd95 with SMTP id 956f58d0204a3-6650e32147amr1375637d50.54.1782834449790; Tue, 30 Jun 2026 08:47:29 -0700 (PDT) Date: Tue, 30 Jun 2026 15:47:19 +0000 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.55.0.rc0.799.gd6f94ed593-goog Message-ID: <20260630154720.1647530-1-jmoroni@google.com> Subject: [PATCH] RDMA/irdma: Check for null udata during reg_user_mr From: Jacob Moroni To: tatyana.e.nikolova@intel.com, jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, Jacob Moroni Content-Type: text/plain; charset="UTF-8" The irdma driver requires udata for reg_user_mr. Previously, it was assuming that it was always non-null, but it can actually be null if the user intentionally triggers the UVERBS_METHOD_REG_MR ioctl. Signed-off-by: Jacob Moroni --- drivers/infiniband/hw/irdma/verbs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index cb54c7c8fcd..3bcac68a612 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -3519,6 +3519,9 @@ static struct ib_mr *irdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 len, if (dmah) return ERR_PTR(-EOPNOTSUPP); + if (!udata) + return ERR_PTR(-EINVAL); + if (len > iwdev->rf->sc_dev.hw_attrs.max_mr_size) return ERR_PTR(-EINVAL); -- 2.55.0.rc0.799.gd6f94ed593-goog