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 3BA563603EC for ; Sat, 28 Feb 2026 18:19:03 +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=1772302743; cv=none; b=qhUDdrqth0uFQThzylhcItxvMf45DenCqG8cwiFwaXIEaA3kklxuvh6f/SS4cQQWmk3YcvHmuyONOeflRY9tf7bd+m528/kGW4LdcgNXewhyFjd2xpBcTT9R0ZW53r0etT/bjNyc33zQ2bUxXwCMn3+nD4vycS9IIOCQKMa+bZo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302743; c=relaxed/simple; bh=Tbz9FgSvt51e+1amdhtYsJFEV6Moc5snKdx6/Nieo88=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e+6bmcuE4oqQpyIZOkZNs0wF5ZEN70gk6R5eGDSZYeTg2ncFTC7K/dfVAiswNnZrezm8757mU1oMaS9CessFKxsRzfcpNx/B3aeUzvFIkvXO9MyFsbhQdKKiQ0veTxDr83romQNAFLrLfk7y00XroYp2Q/gF9Q3bqIGC1r5iReM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SwJEkKUZ; 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="SwJEkKUZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E112C19423; Sat, 28 Feb 2026 18:19:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772302743; bh=Tbz9FgSvt51e+1amdhtYsJFEV6Moc5snKdx6/Nieo88=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SwJEkKUZngMyqZQEQqJxCmJHh2Ff1NpWqL6cgWdqLC8vs62mRR07uhfvrg1ggJs3S THiZNplmF7NSvp8wyvFOU8b/yF3PMaJQZZeh9/82izJUjZekCNkZCAtn4cI9qcl8RM 6jUzYLyz5cPwVQWwe+cVQyktSHSLcdnHf19vElAJ+vlA6CyyA0JJXGqo3y2z9STtmL PhYdUT4v/sPayMUXTvw4zuiCfgZR6HEewi4TFUmzWQ1GPj2m/4H9Brm7QNDThE3PDc 552RZMWgt0WlU3FbUhZ1fwvWVeKQnJEiejRF5H0T7TLpHtvWRAjfmQXQDSdX5ejuBp Zvhgly3WvYqeA== From: Sasha Levin To: patches@lists.linux.dev Cc: Yi Liu , Leon Romanovsky , Sasha Levin Subject: [PATCH 5.10 109/147] RDMA/uverbs: Add __GFP_NOWARN to ib_uverbs_unmarshall_recv() kmalloc Date: Sat, 28 Feb 2026 13:16:57 -0500 Message-ID: <20260228181736.1605592-109-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228181736.1605592-1-sashal@kernel.org> References: <20260228181736.1605592-1-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 cdcdafee07f68..732940483811a 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2210,7 +2210,7 @@ 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