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=1794450546; b=boydhytD0mvUjKABiiCGG2ltddu9j+fv1eN8niMI7CHL7S7zh7M9sSrvdHhMLjaUn05I 84M5378DZF3OXv/Sph/pFxIg/0XWcmORp74/2wMronrRsM3D1JgW49KvppbcrGHzmwSjO 1a1DYA0/4BUzie77yfgh12eHhqrlHoNXIhEHjUfV07HIE9+bnTIoF29Wp3Stgx3OAqN40 Ttw6CzGIR5aPOrbOXFHXMljBbwBW+91HZLVm4x3fJKqBw0xafqice/FO4M21LVUnDwYMd lFIXoxjOuAFOhe47+keHqxd0MNslnW7PuxuIdGiMdRHxD8PgcTf3TvOFyb+3lI3/Uug== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794450546; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=2oy1M6nGyWdXB54nk9X+IzAXBaZhuIs9mX7/0WSrEZ8=; b=ABxjfgeO0t3FmO9pjQZYzyG0YpQiaBuG4bjmxhrI9/fHdOnxKiEi551C4dVTNXwNXsaW cIurS4+OAgPLyPia9mn9WdQtktwEJAVgBGIEmVRwZHyo41QvDYoUStBNm1iJLtW6Q70ew m2lay5KJjjz3/nQ0cSPBPmfXgmLv+S/DLwK/otsTyS9tON/cM/W3q3UzoCBWT+snGExsJ ysa25yJYv7RING3Zg2a2EwhOTqHnDx418FaK59AuP8aUHpgskmZgmFHkaUVz3QBzz35Ii okvMorPByJcBAajHC3SRdvj2nlA2dtQrrQ5JQJOQ4E2Y/ZUCXdiPNNexKOuDftFhJTg== 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=HkvqaIbp; 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 AFD48606A31C for ; Thu, 12 Nov 2026 02:29:06 +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=HkvqaIbp Received: by smtp.kernel.org (Postfix) with ESMTPSA id 881671F00A05; Thu, 12 Nov 2026 02:29:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794450546; bh=2oy1M6nGyWdXB54nk9X+IzAXBaZhuIs9mX7/0WSrEZ8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=HkvqaIbpAaWYg0waPOQsa1EEhPvVXfWkWVMnU6eOLuxT40dljucZYpe36l0Uluphq 1T489++UBKJc+kickzDTA7O8FOCwgbfDKt35uG2qm3oLR2SnLBIUDxNLYRtaRrybLu r/CEoWq3RBM6WQ8UXG6KQCCrh9Z7FZaaJwD39+rymcivjl0uDlOX3+rcF2l+czJDBM JhKm2BQugnJUOo27sZV7ANPDCpkMpnWb0zLFEoEEz2kDRa38BRy6CfzJLDirbmtrA9 FoRUeVH5LttxK6wljvzAh+yU3/BaXmG6hS+j9j+UkBlvENT4COmrja2Nn2aE8in8Zv OvbAud95MQmKw== From: Sasha Levin To: stable@vger.kernel.org Cc: Darong Lu , Vega , Ren Wei , Alex Markuze , Ilya Dryomov , Sasha Levin Subject: [PATCH 5.15.y] libceph: initialize CRUSH choose argument weights Date: Wed, 11 Nov 2026 21:29:04 -0500 Message-ID: <20261112022844.1374567-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261107061213-failed-5.15-c3a995ff0782@kernel.org> References: <20261107061213-failed-5.15-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: Adapted kzalloc_objs() to kcalloc() with an explicit element size. ] 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 af8b6c01784ec..4fab2aa5789c0 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -304,7 +304,7 @@ 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