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 2BC5C359A61 for ; Sat, 28 Feb 2026 18:13:44 +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=1772302424; cv=none; b=e+VomIBJk1KUN/qmoS5Nwxf4PT3IE0ToTjljh+vovTD5wnD5VRjutPm6NAhAZnMwUnW9Xi2MDpcJg2dePQS/xFNaHRpNhVi5ugvxFcdasxi43hLC60f6bT6xD+DdeAsSGylyltcim8B8jk3vuzmHzOWyEH6gW9rUlAsfx7qm/vc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302424; c=relaxed/simple; bh=BC1iNI8x3gduPjpFAi9hml7+vOAuf+yA4L+GygD18q4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BNobD7dsHVULDulJRGnK42W+h5jdGoPfsebbLPiMHD8OKC9+iS1o5gPulyB8qvyPhYv6hKCBIrPsCM1a0bwpfkMdYLN5x/iSX/Mpuhd8TmRjMxEiepZ2iVaN+U7Umu9wFx1zWyMsg2UUrFZvqRWiRGqFhQl82jg6qxyDCazozvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bNWvskmG; 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="bNWvskmG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8D034C19423; Sat, 28 Feb 2026 18:13:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772302424; bh=BC1iNI8x3gduPjpFAi9hml7+vOAuf+yA4L+GygD18q4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bNWvskmGc6UTJNDDPauoep2i27bmgENyK8nH7AS10iWOOXHR1D4IjIysagGASfqal gw4ILEOGAIxHyS529XBTHgXwhviesqYqoUamzAXhJYR+C9RNIpnIdUrcs5gLhCBsKB W6tKOdVkX6IVP9qPh5kRo/lA6i/L4MolYc8aj7eW4ZKim13rT31pICadnf6Xhn+O9d 8ZAh9AYmZpLcVTL5mPZBF2K10hb3H8hzPRWayFmYm3adBp8UeZxV5zM3tiwIyBc1D4 LXapHCPyfWyn1tp7qXgzxIkb5yPm+OrGZHX9ISFz0xQ1eBy/uH+AVctr86KRDxbEQ0 HFtZWZqJ9NjDQ== From: Sasha Levin To: patches@lists.linux.dev Cc: Yi Liu , Leon Romanovsky , Sasha Levin Subject: [PATCH 6.1 160/232] RDMA/uverbs: Add __GFP_NOWARN to ib_uverbs_unmarshall_recv() kmalloc Date: Sat, 28 Feb 2026 13:10:13 -0500 Message-ID: <20260228181127.1592657-160-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228181127.1592657-1-sashal@kernel.org> References: <20260228181127.1592657-1-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 2ed51a7df60fd..2e4265ba35b7f 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2223,7 +2223,7 @@ 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