Public bug reported:
[Impact]
Memory corruption, which has been observed to lead to an Oops.
[Test Case]
iperf can trigger the oops, but it is very difficult to hit.
[Fix]
108ebb12d81c2 net: hns3: fix data race between ring->next_to_clean
[Regression Risk]
Fix is local to a single driver. Because we're adding a barrier, it comes with
some performance impact risk.
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: dann frazier (dannf)
Status: Fix Released
** Affects: linux (Ubuntu Bionic)
Importance: Undecided
Assignee: dann frazier (dannf)
Status: In Progress
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => dann frazier (dannf)
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https://bugs.launchpad.net/bugs/1840717
Title:
hns3: ring buffer race leads can cause corruption
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