Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email protected]>:
On Wed, 18 Mar 2026 16:55:51 +0100 you wrote:
> The patch cited in the Fixes tag below changed the teardown code for
> OVS ports to no longer unconditionally take the RTNL. After this change,
> the netdev_destroy() callback can proceed immediately to the call_rcu()
> invocation if the IFF_OVS_DATAPATH flag is already cleared on the
> netdev.
>
> The ovs_netdev_detach_dev() function clears the flag before completing
> the unregistration, and if it gets preempted after clearing the flag (as
> can happen on an -rt kernel), netdev_destroy() can complete and the
> device can be freed before the unregistration completes. This leads to a
> splat like:
>
> [...]
Here is the summary with links:
- [net] net: openvswitch: Avoid releasing netdev before teardown completes
https://git.kernel.org/netdev/net/c/7c770dadfda5
You are awesome, thank you!
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