Messages in this thread | | | Subject | Re: [PATCH] skbuff: Extract list pointers to silence compiler warnings | From | patchwork-bot+netdevbpf@kernel ... | Date | Thu, 09 Dec 2021 21:30:23 +0000 |
| |
Hello:
This patch was applied to netdev/net-next.git (master) by Jakub Kicinski <kuba@kernel.org>:
On Mon, 6 Dec 2021 22:27:58 -0800 you wrote: > Under both -Warray-bounds and the object_size sanitizer, the compiler is > upset about accessing prev/next of sk_buff when the object it thinks it > is coming from is sk_buff_head. The warning is a false positive due to > the compiler taking a conservative approach, opting to warn at casting > time rather than access time. > > However, in support of enabling -Warray-bounds globally (which has > found many real bugs), arrange things for sk_buff so that the compiler > can unambiguously see that there is no intention to access anything > except prev/next. Introduce and cast to a separate struct sk_buff_list, > which contains _only_ the first two fields, silencing the warnings: > > [...]
Here is the summary with links: - skbuff: Extract list pointers to silence compiler warnings https://git.kernel.org/netdev/net-next/c/1a2fb220edca
You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
| |