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 92E1D1BC2A for ; Tue, 28 Apr 2026 00:40:57 +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=1777336857; cv=none; b=T5YAWRG/n67ywfskAj8Ak5gbVPviOcdZySnACSdxJVPtWtj3714YXE+whxnasGuQy+jAWyfH0Am8YqbzuNhZRf7isELthoEvwRfqweh/0GOldxhMof0f0EFBIgG6knUM9oNEMC+YspL2PCXooo+DJndi3eKKZUcZkiOMwEKlGic= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777336857; c=relaxed/simple; bh=bwvdaIaqMPcKBGc9y3qmWVbeLgFs6UCPYy+IKrZ1nqE=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Jq4PEwYFzY2HEyMebmuhOi/9/JVpTd4lejlO6rLpNkoSroZwhn0fAnTYKFEVlWi4nsYfX+FATnOBfI7CESlACIXHY23gAkYfaz6X1MI1f/zWGIHLnD09FGeSBeoNSOGz//mgn0ClS9KBtV0md+K/WFgQhOikNdbMHY0wbKkE++4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Svl00xlX; 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="Svl00xlX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 42E4AC19425; Tue, 28 Apr 2026 00:40:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777336857; bh=bwvdaIaqMPcKBGc9y3qmWVbeLgFs6UCPYy+IKrZ1nqE=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=Svl00xlXjZGvPs/nHP86aatIXhOO8FXsyt0Bb07S8/NBH8RG4j8gRerpZlM6yBnLf wGequqVLuvScSMYtIF0ZsixjOkzlhtkf1K8w1FIbQlteGGrdbqxDZM2fRm0uFeJaHs 3LZiNQPorZLwp9Ocn8vn3R2wWBKE/l2pxBdiNrH+XCRG3dkZ55mMV7zj4bzWVWuJvy LW66yJs5RvB5WK5bvAiQybLmCUGYPfM4jQgTzB+eH6R8GNDs79F79SH0DGV48ojNKo pB+edsmKx6qVEjGM+CR/W9TWSegDNrbjfKNaCkSUsLECjvsMslvgrzjBbGc9n2f65i 15QNPsUDN3DYA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id B9E6638119DB; Tue, 28 Apr 2026 00:40:15 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v8 net 0/6] netem: bug fixes From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177733681455.174583.13249817958251162504.git-patchwork-notify@kernel.org> Date: Tue, 28 Apr 2026 00:40:14 +0000 References: <20260418032027.900913-1-stephen@networkplumber.org> In-Reply-To: <20260418032027.900913-1-stephen@networkplumber.org> To: Stephen Hemminger Cc: netdev@vger.kernel.org, jiri@resnulli.us, jhs@mojatatu.com, horms@kernel.org Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 17 Apr 2026 20:19:38 -0700 you wrote: > These bugs were found when doing AI-assisted review of sch_netem.c > during investigation of the packet duplication recursion problem > addressed in Jamal's series. > > The fixes cover: > > - probability gaps in the 4-state Markov loss model > - queue limit not accounting for reordered packets > - PRNG reseeded on every tc change, breaking reproducibility > - slot configuration not validated (inverted ranges, negative > delays, negative limits) > - slot delay arithmetic overflow for ranges above ~2.1 seconds > - negative latency and jitter wrapping to huge time_to_send > values via u64 arithmetic > > [...] Here is the summary with links: - [net,v8,1/6] net/sched: netem: fix probability gaps in 4-state loss model https://git.kernel.org/netdev/net/c/732b463449fd - [net,v8,2/6] net/sched: netem: fix queue limit check to include reordered packets https://git.kernel.org/netdev/net/c/4185701fcce6 - [net,v8,3/6] net/sched: netem: only reseed PRNG when seed is explicitly provided https://git.kernel.org/netdev/net/c/986afaf80994 - [net,v8,4/6] net/sched: netem: validate slot configuration https://git.kernel.org/netdev/net/c/01801c359a74 - [net,v8,5/6] net/sched: netem: fix slot delay calculation overflow https://git.kernel.org/netdev/net/c/51e94e1e2fef - [net,v8,6/6] net/sched: netem: check for negative latency and jitter https://git.kernel.org/netdev/net/c/90be9fedb218 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html