Hello:
This patch was applied to bpf/bpf-next.git (refs/heads/master):
On Sat, 26 Sep 2020 11:26:13 +0200 you wrote:
> From: Magnus Karlsson <magnus.karlsson@xxxxxxxxx>
>
> Fix possible crash in socket_release when an out-of-memory error has
> occurred in the bind call. If a socket using the XDP_SHARED_UMEM flag
> encountered an error in xp_create_and_assign_umem, the bind code
> jumped to the exit routine but erroneously forgot to set the err value
> before jumping. This meant that the exit routine thought the setup
> went well and set the state of the socket to XSK_BOUND. The xsk socket
> release code will then, at application exit, think that this is a
> properly setup socket, when it is not, leading to a crash when all
> fields in the socket have in fact not been initialized properly. Fix
> this by setting the err variable in xsk_bind so that the socket is not
> set to XSK_BOUND which leads to the clean-up in xsk_release not being
> triggered.
>
> [...]
Here is the summary with links:
- [bpf-next] xsk: fix possible crash in socket_release when out-of-memory
https://git.kernel.org/bpf/bpf-next/c/1fd17c8cd0aa
You are awesome, thank you!
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