** Changed in: linux-bluefield (Ubuntu Jammy)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/2055052
Title:
net/sched: flower: Add lock protection when remove filter handle
Status in linux-bluefield package in Ubuntu:
New
Status in linux-bluefield source package in Jammy:
Fix Committed
Bug description:
* intro
As IDR can't protect itself from the concurrent modification, place
idr_remove() under the protection of tp->lock.
* how to fix
need to backport the patch from Jianbo
"net/sched: flower: Add lock protection when remove filter handle"
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=1fde0ca3a0de7e9f917668941156959dd5e9108b
* reproduce and verification
It's hard to reproduce because it is a race condition we found in k8s+ovn
deployment.
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