Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni [off-list ref]:
On Fri, 25 Sep 2026 08:55:04 +0000 you wrote:
`put()` trusted an unchecked `as` cast from `usize` to `c_int`.
When the length exceeds `i32::MAX` that cast wraps around to a
negative value.
This ultimately resulted in a kernel panic when the reinterpreted
value via `__nla_reserve()` and `skb_put()` became enormous.
[...]
Here is the summary with links:
- [net,v6] rust: net: netlink: validate attribute length before casting to `c_int`
https://git.kernel.org/netdev/net/c/0923198be4ae
You are awesome, thank you!
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