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From: patchwork-bot+netdevbpf@kernel.org
To: Pierre Riteau <pierre@stackhpc.com>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH net] net/sched: cls_api: fix error handling causing NULL dereference
Date: Sat, 15 Feb 2025 17:30:28 +0000	[thread overview]
Message-ID: <173964062887.2306719.12280700542530896756.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250213223610.320278-1-pierre@stackhpc.com>

Hello:

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

On Thu, 13 Feb 2025 23:36:10 +0100 you wrote:
> tcf_exts_miss_cookie_base_alloc() calls xa_alloc_cyclic() which can
> return 1 if the allocation succeeded after wrapping. This was treated as
> an error, with value 1 returned to caller tcf_exts_init_ex() which sets
> exts->actions to NULL and returns 1 to caller fl_change().
> 
> fl_change() treats err == 1 as success, calling tcf_exts_validate_ex()
> which calls tcf_action_init() with exts->actions as argument, where it
> is dereferenced.
> 
> [...]

Here is the summary with links:
  - [net] net/sched: cls_api: fix error handling causing NULL dereference
    https://git.kernel.org/netdev/net/c/071ed42cff4f

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



      parent reply	other threads:[~2025-02-15 17:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-13 22:36 [PATCH net] net/sched: cls_api: fix error handling causing NULL dereference Pierre Riteau
2025-02-14 12:43 ` Michal Swiatkowski
2025-02-14 14:21   ` Pierre Riteau
2025-02-14 14:38     ` Pierre Riteau
2025-02-15 17:30 ` patchwork-bot+netdevbpf [this message]

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