Hello:
This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:
On Thu, 31 Aug 2023 12:01:17 +0200 you wrote:
> From: Magnus Karlsson <magnus.karlsson@xxxxxxxxx>
>
> Fix a use-after-free error that is possible if the xsk_diag interface
> is used after the socket has been unbound from the device. This can
> happen either due to the socket being closed or the device
> disappearing. In the early days of AF_XDP, the way we tested that a
> socket was not bound to a device was to simply check if the netdevice
> pointer in the xsk socket structure was NULL. Later, a better system
> was introduced by having an explicit state variable in the xsk socket
> struct. For example, the state of a socket that is on the way to being
> closed and has been unbound from the device is XSK_UNBOUND.
>
> [...]
Here is the summary with links:
- [bpf,v2] xsk: fix xsk_diag use-after-free error during socket cleanup
https://git.kernel.org/bpf/bpf/c/3e019d8a05a3
You are awesome, thank you!
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