Re: [PATCH net] net: ethernet: ti: am65-cpsw-nuss: Fix port_id extraction from SRC TAG
| Newsgroups | org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.netdev |
|---|---|
| Message-ID | <178658221863.2168272.12259674468445322692.git-patchwork-notify@kernel.org> |
Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski <[email protected]>: On Fri, 7 Aug 2026 16:47:37 +0530 you wrote: > On the packet reception path, the ID of the MAC Port on which the packet > was received, is embedded in the RX DMA Descriptor's metadata. The ID is > extracted using the helper function cppi5_desc_get_tags_ids() which fills > in the 16-bit Source Tag into the 'port_id' variable. However, it is only > the lower 8-bits of the 16-bit Source Tag that represent the MAC Port ID, > while the upper 8-bits are Hardware-Reserved and carry an arbitrary value. > With the existing logic, sporadic kernel crash is observed due to the > subsequent driver code accessing out-of-bound memory because of an invalid > port_id. > > [...] Here is the summary with links: - [net] net: ethernet: ti: am65-cpsw-nuss: Fix port_id extraction from SRC TAG https://git.kernel.org/netdev/net/c/36a05d282007 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html