Re: [PATCH] [v3] qed: Fix a potential use-after-free in qed_cxt_tables_alloc

From: patchwork-bot+netdevbpf
Date: Tue Dec 12 2023 - 16:40:27 EST


Hello:

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

On Sun, 10 Dec 2023 12:52:55 +0800 you wrote:
> qed_ilt_shadow_alloc() will call qed_ilt_shadow_free() to
> free p_hwfn->p_cxt_mngr->ilt_shadow on error. However,
> qed_cxt_tables_alloc() accesses the freed pointer on failure
> of qed_ilt_shadow_alloc() through calling qed_cxt_mngr_free(),
> which may lead to use-after-free. Fix this issue by setting
> p_mngr->ilt_shadow to NULL in qed_ilt_shadow_free().
>
> [...]

Here is the summary with links:
- [v3] qed: Fix a potential use-after-free in qed_cxt_tables_alloc
https://git.kernel.org/netdev/net/c/b65d52ac9c08

You are awesome, thank you!
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