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From: patchwork-bot+netdevbpf@kernel.org
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: netdev@vger.kernel.org, jiri@resnulli.us, jhs@mojatatu.com,
	horms@kernel.org
Subject: Re: [PATCH v8 net 0/6] netem: bug fixes
Date: Tue, 28 Apr 2026 00:40:14 +0000	[thread overview]
Message-ID: <177733681455.174583.13249817958251162504.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260418032027.900913-1-stephen@networkplumber.org>

Hello:

This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

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



      parent reply	other threads:[~2026-04-28  0:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-18  3:19 [PATCH v8 net 0/6] netem: bug fixes Stephen Hemminger
2026-04-18  3:19 ` [PATCH net v8 1/6] net/sched: netem: fix probability gaps in 4-state loss model Stephen Hemminger
2026-04-18  3:19 ` [PATCH net v8 2/6] net/sched: netem: fix queue limit check to include reordered packets Stephen Hemminger
2026-04-21 13:15   ` Simon Horman
2026-04-18  3:19 ` [PATCH net v8 3/6] net/sched: netem: only reseed PRNG when seed is explicitly provided Stephen Hemminger
2026-04-18  3:19 ` [PATCH net v8 4/6] net/sched: netem: validate slot configuration Stephen Hemminger
2026-04-21 13:10   ` Simon Horman
2026-04-23  7:50     ` Paolo Abeni
2026-04-23 21:12       ` Jamal Hadi Salim
2026-04-24 15:07         ` Stephen Hemminger
2026-04-24 20:17           ` Jamal Hadi Salim
2026-04-24 23:06             ` Stephen Hemminger
2026-04-18  3:19 ` [PATCH net v8 5/6] net/sched: netem: fix slot delay calculation overflow Stephen Hemminger
2026-04-18  3:19 ` [PATCH net v8 6/6] net/sched: netem: check for negative latency and jitter Stephen Hemminger
2026-04-21 13:16   ` Simon Horman
2026-04-28  0:40 ` patchwork-bot+netdevbpf [this message]

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