** Changed in: linux (Ubuntu Disco)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1802341
Title:
crash in ENA driver on removing an interface
Status in linux package in Ubuntu:
Fix Committed
Status in linux-aws package in Ubuntu:
In Progress
Status in linux source package in Xenial:
Fix Committed
Status in linux-aws source package in Xenial:
In Progress
Status in linux source package in Bionic:
Fix Committed
Status in linux-aws source package in Bionic:
In Progress
Status in linux source package in Cosmic:
Fix Committed
Status in linux-aws source package in Cosmic:
In Progress
Status in linux source package in Disco:
Fix Committed
Status in linux-aws source package in Disco:
In Progress
Bug description:
Bug present in ENA since driver version 1.6; manifests as a crash only
under some conditions.
In ena_remove() we have the following stack call:
ena_remove()
unregister_netdev()
ena_destroy_device()
netif_carrier_off()
Calling netif_carrier_off() causes linkwatch to try to handle the
link change event on the already unregistered netdev, which leads
to a read from an unreadable memory address.
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