Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Tue, 01 Aug 2023 16:48:53 +0100 you wrote:
> __ip_append_data() can get into an infinite loop when asked to splice into
> a partially-built UDP message that has more than the frag-limit data and up
> to the MTU limit. Something like:
>
> pipe(pfd);
> sfd = socket(AF_INET, SOCK_DGRAM, 0);
> connect(sfd, ...);
> send(sfd, buffer, 8161, MSG_CONFIRM|MSG_MORE);
> write(pfd[1], buffer, 8);
> splice(pfd[0], 0, sfd, 0, 0x4ffe0ul, 0);
>
> [...]
Here is the summary with links:
- [net] udp: Fix __ip_append_data()'s handling of MSG_SPLICE_PAGES
https://git.kernel.org/netdev/net/c/0f71c9caf267
You are awesome, thank you!
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