Hello:
This patch was applied to bpf/bpf.git (master)
by Martin KaFai Lau <martin.lau@xxxxxxxxxx>:
On Sat, 26 Oct 2024 11:55:22 -0700 you wrote:
> From: Cong Wang <cong.wang@xxxxxxxxxxxxx>
>
> The following race condition could trigger a NULL pointer dereference:
>
> sock_map_link_detach(): sock_map_link_update_prog():
> mutex_lock(&sockmap_mutex);
> ...
> sockmap_link->map = NULL;
> mutex_unlock(&sockmap_mutex);
> mutex_lock(&sockmap_mutex);
> ...
> sock_map_prog_link_lookup(sockmap_link->map);
> mutex_unlock(&sockmap_mutex);
> <continue>
>
> [...]
Here is the summary with links:
- [bpf] sock_map: fix a NULL pointer dereference in sock_map_link_update_prog()
https://git.kernel.org/bpf/bpf/c/740be3b9a6d7
You are awesome, thank you!
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