[rds-devel] [External] : Re: [PATCH net] net/rds: fix tcp stream corruption with large pages
patchwork-bot+netdevbpf at kernel.org
patchwork-bot+netdevbpf at kernel.org
Thu Sep 10 15:30:04 UTC 2026
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba at kernel.org>:
On Sat, 5 Sep 2026 10:00:41 -0700 you wrote:
> rds_message_map_pages() assigns PAGE_SIZE bytes to every
> scatterlist entry, even when total_len ends in a partial page. The RDS
> congestion map is defined as 8192 bytes, so on systems with PAGE_SIZE
> greater than 8192 the scatterlist maps bytes beyond the end of the
> congestion map. RDS-TCP transmits the SG contents according to those
> lengths, so the extra bytes become part of the TCP RDS stream and are
> interpreted as subsequent RDS message headers, corrupting the stream.
>
> [...]
Here is the summary with links:
- [net] net/rds: fix tcp stream corruption with large pages
https://git.kernel.org/netdev/net/c/2ac09b5353fe
You are awesome, thank you!
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