Hello:
This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Mon, 30 Oct 2023 14:36:16 +0800 you wrote:
> From: Hou Tao <houtao1@xxxxxxxxxx>
>
> When there are concurrent uref release and bpf timer init operations,
> the following sequence diagram is possible. It will break the guarantee
> provided by bpf_timer: bpf_timer will still be alive after userspace
> application releases or unpins the map. It also will lead to kmemleak
> for old kernel version which doesn't release bpf_timer when map is
> released.
>
> [...]
Here is the summary with links:
- [bpf-next,v3] bpf: Check map->usercnt after timer->timer is assigned
https://git.kernel.org/bpf/bpf/c/fd381ce60a2d
You are awesome, thank you!
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