Re: [PATCHv2 net] sctp: use the correct skb for security_sctp_assoc_request

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

On Thu,  7 Apr 2022 09:24:22 -0400 you wrote:
> Yi Chen reported an unexpected sctp connection abort, and it occurred when
> COOKIE_ECHO is bundled with DATA Fragment by SCTP HW GSO. As the IP header
> is included in chunk->head_skb instead of chunk->skb, it failed to check
> IP header version in security_sctp_assoc_request().
> According to Ondrej, SELinux only looks at IP header (address and IPsec
> options) and XFRM state data, and these are all included in head_skb for
> SCTP HW GSO packets. So fix it by using head_skb when calling
> security_sctp_assoc_request() in processing COOKIE_ECHO.
> [...]

Here is the summary with links:
  - [PATCHv2,net] sctp: use the correct skb for security_sctp_assoc_request

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