From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 336383CF047; Wed, 8 Jul 2026 19:09:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783537782; cv=none; b=K8UAfP55IARZdKt/vbLkh18qv5LX6Nmp1ui6piY7CiY3edF3gJpDJyQM6YqEgwY37AtmeoVTi11PNwFTlvkpodMiww9GV5sNkbCriB/G3UmS2QQoJ1bWmPHAKHQiN4eRas7rGH7LpwfPCh5FgM+mMKR9rvGe08KAR5cYQ5exGDw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783537782; c=relaxed/simple; bh=/ILvDbmeqjme/4SKQEnu81xZQRhA/fxxXFEAK26oQBU=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References; b=lPc93sqZPFJJ41d1l3oufDEt+KiNf87V/faUpsGFjzFfwBrC1BI+3OygEml5kJTB96u4NyPyDDnOQtH3MQ6jPqNp84lxeN+Lqu7IljjL77muhmgGq0th5HAoZDLvqypEFr/1+G7w9RSJGn5+Q1M7f5F9VwySWz2v4pnSc0FPHsw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dez36B7K; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dez36B7K" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9C72C1F00A3A; Wed, 8 Jul 2026 19:09:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783537778; bh=//boj5j4V2t1Hjcqc/RFtd+HP8hLzjRepdYVr4yfFqY=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=dez36B7K5QPqEYix/pe1wnzq7BkN7wl0LVKm/OwHT8QsjSuY/UOj/D4qO3IZHoC1j fTK6SZIPXowziPya5Kth3yDo+p9wbvv4COqUcpMNCSawc1mRP0jqIQmXfEeEyt0RGD 9Fb0mGXTw6IvtcRdwBAgwxFiKFezWiO5f6ZpvXuS4x22g+qfSEGpyIXUD8++IGGg/0 TcdOSmcvFyxm90Vxbc9xAcdWmIrjIuMrhLemN0CfbLldSmoSBMfQQ1IeEi6KSQO0Jm YXS1l5qi1GvhK4E7KTYmsPbNaOX+SVcTLoGdcCnUZVBDfPz/pCqe+3OioQYBG/AhtP /1OuG+3k7PPgw== Date: Wed, 08 Jul 2026 09:09:37 -1000 Message-ID: From: Tejun Heo To: sashiko-bot@kernel.org Cc: David Vernet , Andrea Righi , Changwoo Min , sched-ext@lists.linux.dev, Emil Tsalapatis , linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 sched_ext/for-7.3 20/36] sched_ext: Add coalescing sub_caps_updated() notifier for sub-schedulers In-Reply-To: <20260707003307.C6C271F000E9@smtp.kernel.org> References: <20260707001229.1410929-1-tj@kernel.org> <20260707001229.1410929-21-tj@kernel.org> <20260707003307.C6C271F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: On Tue, 07 Jul 2026 00:33:07 +0000, sashiko-bot@kernel.org wrote: > - [High] NULL pointer dereference in scx_bpf_sub_grant() and scx_bpf_sub_revoke() when a sub-scheduler is not a cid-form scheduler. Sub-schedulers are always cid-form with an arena pool (enforced at attach), and their pshards are allocated before the sched is published, so grant/revoke never observe a NULL or non-cid-form sched. Same as the v2 round. No change. Thanks. -- tejun