From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794448804; b=AQMLRKiiSjJ6hQZgYGOJJIh10vb1Tw0UXL5JQAFIRDRES0Ey0arAcB/6BRAyW41wjHIK luPY8qB1jLRi0tiC+OAqau7dZHdOWBaalcyuzz/Keg9OEQUR/TlCWnDYxTkQI7OjWTRGt EqsJlcswXg1q+npbnx+bHQfbCBC8itd0Yd1+8nvdlNV2HRwy6N4pLXh2komBIAOMorJ3b RmnpOfC+7w4xHpyiKktrDaGqBSUU3prk5nPXn0R5yPUmQVgvBp+/4SP2foynvUTWFF2jQ 7kbdLZctq07scjCm7d8zyMTurBjTX+sCU1Ix511etnVRP9TGiatsZwq6u47s3uieoiA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794448804; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=8UDClBDS/Mma8RuKFJQcq+/fqiry+QMaAoA4/b88Chk=; b=3KrfOVKYTkbsD3xqG7Id2XKnvpu7YPBErWnSn9OJbwMl5cYwlKYPTbJs1hRLc0UZor7K WFdVXoA0maSS3aDrTVfCXH5PYu5rQuuEHRyiyLQso8lxOYhngqiGnzb236oaRr2QDHL/s PNEQNXGhvB+Pb8oB9Mb9mc1T8JQ39o3ZkcWj8jW2OwwxKv9yWYHD68KalL5+CuOuDbcqa BU293spZQf6OlhEX3Ev7IUQsaPmncpOURV1PBBSDrrc65ImuoGXn5Ik1Hjj0vUvdWE6xb Bkgi6YiVa2+kR5lO6HlZwGNPCzSlxRCNLgc/xugEJfBoSA/zAf7tq01HHua9DnKt06Q== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Pa7J1AXV; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E25B2606A31C for ; Thu, 12 Nov 2026 02:00:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Pa7J1AXV Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8EE11F00A05; Thu, 12 Nov 2026 02:00:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794448803; bh=8UDClBDS/Mma8RuKFJQcq+/fqiry+QMaAoA4/b88Chk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Pa7J1AXV62vlD/mkLGDjMKsS0X0cDPMC+CkwECFQVTw7DvDJk+GSf7IJlW30VsJct a2C4/BsjDlX4n3sVCrwYSah4gNhwZF86QpU1H23SeGJqp5QZGu5y2eVUN4YnLxFs2T vY72cImMz+5c6BqqkZVq4kJvepGCgarLDUFvdY4XmUd/WTlYPlCh4EdnLH1yNX1VhM /3ZunSkhVAKWQa6iYYNDhTgsZWHPdow/T/FwSzjLUI1H9yazOvrF1pOyDLafpCSoHb I1VwAN596ApMW4lWiad2Vi4BcKHXm2ramCNGITGpzFQA1xwP180+sBTFvX+p81CEyp AyCn0WlGOindw== From: Sasha Levin To: stable@vger.kernel.org Cc: Darong Lu , Vega , Ren Wei , Alex Markuze , Ilya Dryomov , Sasha Levin Subject: [PATCH 6.18.y] libceph: initialize CRUSH choose argument weights Date: Wed, 11 Nov 2026 21:00:00 -0500 Message-ID: <20261112015526.1241689-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261107051456-failed-6.18-c3a995ff0782@kernel.org> References: <20261107051456-failed-6.18-c3a995ff0782@kernel.org> X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Darong Lu [ Upstream commit c3a995ff0782587789333c621e1f6bd5e574371e ] Initialize the CRUSH choose argument weight-set array before decoding so entries start in a defined state while the decoder fills them. Cc: stable@vger.kernel.org Fixes: 5cf9c4a9959b ("libceph, crush: per-pool crush_choose_arg_map for crush_do_rule()") Reported-by: Vega Assisted-by: LLM Signed-off-by: Darong Lu Signed-off-by: Ren Wei Reviewed-by: Alex Markuze Signed-off-by: Ilya Dryomov [ sashal: Used kcalloc() instead of kzalloc_objs() to match the existing kmalloc_array() call. ] Signed-off-by: Sasha Levin --- net/ceph/osdmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index 803514a1bc7ce..fdb8c398f5ecd 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -320,7 +320,7 @@ static int decode_choose_arg(void **p, void *end, struct crush_choose_arg *arg) if (arg->weight_set_size) { u32 i; - arg->weight_set = kmalloc_array(arg->weight_set_size, + arg->weight_set = kcalloc(arg->weight_set_size, sizeof(*arg->weight_set), GFP_NOIO); if (!arg->weight_set) -- 2.53.0