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From: patchwork-bot+netdevbpf@kernel.org
To: Hangbin Liu <liuhangbin@gmail.com>
Cc: donald.hunter@gmail.com, kuba@kernel.org, davem@davemloft.net,
	edumazet@google.com, pabeni@redhat.com, horms@kernel.org,
	andrew@lunn.ch, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v2 0/5] ynl/ethtool/netlink: fix nla_len overflow for large string sets
Date: Sun, 12 Apr 2026 18:40:22 +0000	[thread overview]
Message-ID: <177601922203.3370691.7398703435218885148.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260408-b4-ynl_ethtool-v2-0-7623a5e8f70b@gmail.com>

Hello:

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

On Wed, 08 Apr 2026 15:08:48 +0800 you wrote:
> This series addresses a silent data corruption issue triggered when ynl
> retrieves string sets from NICs with a large number of statistics entries
> (e.g. mlx5_core with thousands of ETH_SS_STATS strings).
> 
> The root cause is that struct nlattr.nla_len is a __u16 (max 65535
> bytes). When a NIC exports enough statistics strings, the
> ETHTOOL_A_STRINGSET_STRINGS nest built by strset_fill_set() exceeds
> this limit. nla_nest_end() silently truncates the length on assignment,
> producing a corrupted netlink message.
> 
> [...]

Here is the summary with links:
  - [net-next,v2,1/5] tools: ynl: move ethtool.py to selftest
    https://git.kernel.org/netdev/net-next/c/22ef8a263c17
  - [net-next,v2,2/5] tools: ynl: ethtool: use doit instead of dumpit for per-device GET
    https://git.kernel.org/netdev/net-next/c/1c43d471a513
  - [net-next,v2,3/5] tools: ynl: ethtool: add --dbg-small-recv option
    https://git.kernel.org/netdev/net-next/c/594ba4477164
  - [net-next,v2,4/5] netlink: add a nla_nest_end_safe() helper
    https://git.kernel.org/netdev/net-next/c/1346586a9ac9
  - [net-next,v2,5/5] ethtool: strset: check nla_len overflow
    https://git.kernel.org/netdev/net-next/c/b2fb1a336383

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2026-04-12 18:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-08  7:08 [PATCH net-next v2 0/5] ynl/ethtool/netlink: fix nla_len overflow for large string sets Hangbin Liu
2026-04-08  7:08 ` [PATCH net-next v2 1/5] tools: ynl: move ethtool.py to selftest Hangbin Liu
2026-04-08 16:42   ` Stanislav Fomichev
2026-04-09  0:37     ` Jakub Kicinski
2026-04-09 15:30       ` Stanislav Fomichev
2026-04-08  7:08 ` [PATCH net-next v2 2/5] tools: ynl: ethtool: use doit instead of dumpit for per-device GET Hangbin Liu
2026-04-08  7:08 ` [PATCH net-next v2 3/5] tools: ynl: ethtool: add --dbg-small-recv option Hangbin Liu
2026-04-08  7:08 ` [PATCH net-next v2 4/5] netlink: add a nla_nest_end_safe() helper Hangbin Liu
2026-04-08  7:08 ` [PATCH net-next v2 5/5] ethtool: strset: check nla_len overflow Hangbin Liu
2026-04-08 16:43   ` Stanislav Fomichev
2026-04-09  0:39     ` Jakub Kicinski
2026-04-09 15:37       ` Stanislav Fomichev
2026-04-09 16:12         ` Andrew Lunn
2026-04-09 20:39           ` Stanislav Fomichev
2026-04-10  2:14           ` Jakub Kicinski
2026-04-12 18:40 ` patchwork-bot+netdevbpf [this message]

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