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=1792818609; b=2q/Rz0C9rXa57Yw6rWDayjYi5tXCPxgH/H9cGMvJmxzyrG62Za9/RakDccQW0I4SVD2i k0iJpbcJgsCfvdfirfUTkgqErzSyvCy6SWGNIsRquQCvidw5x6/QkSzKLExUNkVZV8kGy OJMDtU2eZWnmuiVNMiQxvIcb87/AUD8q/dy99WubWOJU5XRiKNy2GFNUB5Gq64Etx+evW tHB9MQ9X6k/gtvkwjxBnECMi7otoNADapMKgJVkmPLCDmX0Z8UZPB8eyObEuP59tJi5p0 oGhxSUWzOzbxCPCc9X+ngUbkSRxjElLofyqqNhEEhdTqO+uvCU7vIj2vU7jA/2jjU9Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792818609; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=+5yqUHfrrkEhGhTjK6jc69LcasOC2fD+GLooCnMI9qY=; b=RVxfaVbWDKuNkuHII5FbbygdOcABRVE7bcCZx6M50TvFWZX5tNg4gXKSU9xKm0B2oOUS BupMO+PwNrK7h9Fxw5GcTmBmDGZgExODKrhjBiJeV2jv5rGwd3oZ1gFAR54rp3hEdVRhE rCNCs4acwKnsuRudBSbgyGNIpptUCS9HTWbCp/kFDAMvcgz7ogEqxLlHJwfSWw2jvGhGs Njz5mQt1QK+xhjzjx+BsoCc3MUrM6U4e7imPB4IF1lvPOcPdubOPhx6vt2rDs1wSF1Nhd o5mlOSnwy37RnGMklVbYQYdG7nGeY77HmgH6DFcHw7GiDWnyCjseOpXdHODXSq87iTQ== 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=lxUy0IYs; 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 C5EE4606A31A; Sat, 24 Oct 2026 05:10:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=lxUy0IYs Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4FA3C1F01825; Sat, 24 Oct 2026 05:10:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792818608; bh=+5yqUHfrrkEhGhTjK6jc69LcasOC2fD+GLooCnMI9qY=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=lxUy0IYs95tYzHa6NS4Kcqf6CVRpoibReuyQcKdDSNRHzch3bf/XVyX1GObwzFway 03oJ/AROMp7JzzyLo9yduqVZAQap8SnGE6NvvsxN8VItZmznVxWG7gBrL8SCcR2WCh ADkjbH7F0RDJxRSfVq5SczO1fOJYXxhmuKGJIR7c+yEsVFEcd4CwNlwa5njoWBJkCM zve0wYQQygQynuC2Ykr9thdFyBe6t9lzQTTqLbd4fLMIo22y+5cgnGx1dC5eiyyn5m LENZt4WdR0l5O2wO4KJCvdH2gj6b6PhxlGioqWcYf1ltTLSTbh7BcVetfCBy64DLrM cXlgnupljJ9kg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 44587391B17B; Sat, 24 Oct 2026 05:10:08 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: linux-kernel@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 Subject: Re: [PATCH bpf-next v2 0/2] bpf: Fix bpf_send_signal_task() from kernel thread context From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179281860707.1477734.466775423559947933.git-patchwork-notify@kernel.org> Date: Sat, 24 Oct 2026 05:10:07 +0000 References: <20261001072449.1377267-1-adi.sharma@zohomail.in> In-Reply-To: <20261001072449.1377267-1-adi.sharma@zohomail.in> To: Aditya Sharma Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, eddyz87@gmail.com, memxor@gmail.com, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, jolsa@kernel.org, emil@etsalapatis.com, ihor.solodrai@linux.dev, kpsingh@kernel.org, matt@bobrowski.net, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, shuah@kernel.org, puranjay@kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Hello: This series was applied to bpf/bpf.git (master) by Alexei Starovoitov : On Thu, 1 Oct 2026 12:54:47 +0530 you wrote: > bpf_send_signal_task() returns -EPERM whenever the calling context is a > kernel thread, even when the signal is for a different task. The > cause is the nmi_uaccess_okay() check in bpf_send_signal_common(), > which is a statement about current and not about the target task. > > Patch 1 removes the check, as the signal path does no user memory > access and the check has nothing to guard there. > > [...] Here is the summary with links: - [bpf-next,v2,1/2] bpf: Remove nmi_uaccess_okay() check in bpf_send_signal_common() https://git.kernel.org/bpf/bpf/c/93bd472336ac - [bpf-next,v2,2/2] selftests/bpf: Test bpf_send_signal_task() from kernel thread context https://git.kernel.org/bpf/bpf/c/2c79610f72bb You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html