From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7D4A139B97A for ; Sat, 28 Feb 2026 18:16:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302606; cv=none; b=nqxsPdwFfk8+Mm9nDCtFFfJB2iG/VM1xrwYOkqyss9OrWQQmqgYkzxAcksXI8u5CbU0THFMwUr3cVdq8iVXyg9YCQytU639MA4CpeAMual2KNmWJQJcEPYCaNuDpGcPI41wRvtEXFtJjNnHyzKSFMv+xhjPVR/XORn4nO7IXNUk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302606; c=relaxed/simple; bh=hdjATZPXBJLgvdH67/QienOJcmQVfzO1O7JCdPSQwfQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bBOERVJff7ITHUUDmmVXcz8AXF9l6lGXJPh9mb6PzRUFlFypawdhwyUyscSMdL/wTlkroVEFUh//djOC+LAdtNJyM6nLP2emagcDy92EC54m4wZUf0s099X5GStZhvTJs/QShkhYuFE4rv01n+jf3r/9FBZtQcmEeGdAm9XNtU8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=u76rrf69; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="u76rrf69" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E028CC19423; Sat, 28 Feb 2026 18:16:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772302606; bh=hdjATZPXBJLgvdH67/QienOJcmQVfzO1O7JCdPSQwfQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u76rrf69tvKGqWYJbH2KbHT7AbCx+TKk8Gm7QvXrnADnkBWDKNRffB3x7FrOihktj YClNT0b7KbNRKyWhK4txQ1L7tOj/aYy/O3GezrX5EvVDlTxUOH7sYs1wDMo5VTTl7u MYb7vY7pFx0FQ9GPB6nPEQqcTMdJLNy3VKklYrRpqFZf/0iK78Yn4jqdyGHenBsSoX mvR+sqyNXtTNpeir62WZyjwGe/xL9yzgAuXdKGe2+XpYEPhfFLxIOCZLbJXhA2h5A4 VNXSsQwQoJg8QYbKnMz0qVxvnHIsPS+GUclkAnS1wR/iS0NevcE5mq9R28HH12DEF5 61A02QOgD91Ig== From: Sasha Levin To: patches@lists.linux.dev Cc: Yi Liu , Leon Romanovsky , Sasha Levin Subject: [PATCH 5.15 121/164] RDMA/uverbs: Add __GFP_NOWARN to ib_uverbs_unmarshall_recv() kmalloc Date: Sat, 28 Feb 2026 13:14:20 -0500 Message-ID: <20260228181505.1600663-121-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228181505.1600663-1-sashal@kernel.org> References: <20260228181505.1600663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Yi Liu [ Upstream commit 58b604dfc7bb753f91bc0ccd3fa705e14e6edfb4 ] Since wqe_size in ib_uverbs_unmarshall_recv() is user-provided and already validated, but can still be large, add __GFP_NOWARN to suppress memory allocation warnings for large sizes, consistent with the similar fix in ib_uverbs_post_send(). Fixes: 67cdb40ca444 ("[IB] uverbs: Implement more commands") Signed-off-by: Yi Liu Link: https://patch.msgid.link/20260129094900.3517706-1-liuy22@mails.tsinghua.edu.cn Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/core/uverbs_cmd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 754a00e2828bb..9ae14c59777ee 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2224,7 +2224,7 @@ ib_uverbs_unmarshall_recv(struct uverbs_req_iter *iter, u32 wr_count, if (ret) return ERR_PTR(ret); - user_wr = kmalloc(wqe_size, GFP_KERNEL); + user_wr = kmalloc(wqe_size, GFP_KERNEL | __GFP_NOWARN); if (!user_wr) return ERR_PTR(-ENOMEM); -- 2.51.0