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 984AD2594B9; Thu, 9 Apr 2026 01:20:32 +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=1775697632; cv=none; b=Kq3VIpaXhE4tpxZ79QgSGGUjtgRq6BKRs0YxHGgr6Ivqv62r2tUQ0vRNHZTCU+yt5wWTVaJ7S1ryalMHvfnQN5/j7CQNEq328mdwnYZSre80BCW1qRWY3QB2SZs39/3+XMRMM1HgLUXR3k5VMDAOS9dZ2uUsCvlaI019DGregIs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775697632; c=relaxed/simple; bh=jffhaj7XtvWEHrEQlXWo93RdtoyPK03UBjowjBvGjP8=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=CEjqgjEkZAGBVIcnXM1furTiupgOezZDef65lIf5MbNsMxpOElFiTcKXG2BPa9kkbA4ym6e2PjaJCyJ/mFWF5R7z0x6GAG+nENBHgTKX75uzJIdRLQWl2koEyM0jBAwghSHX2qr7NpL76IwHN/Klw6IGnRosdemqa9EUVChwGU0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Gryz7yrq; 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="Gryz7yrq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40E8DC19421; Thu, 9 Apr 2026 01:20:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775697632; bh=jffhaj7XtvWEHrEQlXWo93RdtoyPK03UBjowjBvGjP8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=Gryz7yrqaPJrjCZGSIT8NbDvEiJeYzjfBfvVleJy8s/QH2qqqbaZiIRy0C7g80mUN LBF7D8AjuGm9gunEzOgrl1cP/fUcf8uKyyhRHJN2DZBdh+pOxGndtS/MQ5APle5FtL RpvjV+plg0FySjOcpMJoLDV/RsxeKHsKvRW1E32l+FTEobFZpfMC4vDzTFpZ/+N4Po WRaOES0dehfEtbTX6E6CkuVZ8LLm6hf8a9sxNpqGJMDxXTTZAVMp+L+ZtvprugdK+j XSqBvIhfUsS816pjZm7Mj9rHd5uz8ArOmWWDPNDb+iNQAlRD2z7U3T3sfIQHkptgbC rWBD1R9muTmeg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id BA0233930793; Thu, 9 Apr 2026 01:20:09 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next v5 0/2] Reject sleepable kprobe_multi programs at attach time From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177569760855.941108.1194858936384188273.git-patchwork-notify@kernel.org> Date: Thu, 09 Apr 2026 01:20:08 +0000 References: <20260408190137.101418-1-varunrmallya@gmail.com> In-Reply-To: <20260408190137.101418-1-varunrmallya@gmail.com> To: Varun R Mallya Cc: bpf@vger.kernel.org, leon.hwang@linux.dev, memxor@gmail.com, jolsa@kernel.org, ast@kernel.org, daniel@iogearbox.net, yonghong.song@linux.dev, rostedt@goodmis.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov : On Thu, 9 Apr 2026 00:31:35 +0530 you wrote: > These patches fix an issue where sleepable kprobe_multi programs > were allowed to attach, leading to "sleeping function called from invalid > context" splats. > > Because kprobe.multi programs run in atomic/RCU context, they cannot > sleep. However, `bpf_kprobe_multi_link_attach()` previously lacked > validation for the `prog->sleepable` flag. This allowed sleepable > helpers, such as `bpf_copy_from_user()`, to be invoked from an invalid > non-sleepable context. > > [...] Here is the summary with links: - [bpf-next,v5,1/2] bpf: Reject sleepable kprobe_multi programs at attach time (no matching commit) - [bpf-next,v5,2/2] selftests/bpf: Add test to ensure kprobe_multi is not sleepable https://git.kernel.org/bpf/bpf-next/c/c7cab53f9d52 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html