Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email protected]>:
On Fri, 2 Aug 2024 11:07:30 +0300 you wrote:
> syzbot hit a use-after-free[1] which is caused because the bridge doesn't
> make sure that all previous garbage has been collected when removing a
> port. What happens is:
> CPU 1 CPU 2
> start gc cycle remove port
> acquire gc lock first
> wait for lock
> call br_multicasg_gc() directly
> acquire lock now but free port
> the port can be freed
> while grp timers still
> running
>
> [...]
Here is the summary with links:
- [net] net: bridge: mcast: wait for previous gc cycles when removing port
https://git.kernel.org/netdev/net/c/92c4ee25208d
You are awesome, thank you!
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