This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- xenial' to 'verification-done-xenial'. If the problem still exists, change the tag 'verification-needed-xenial' to 'verification-failed- xenial'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-xenial ** Tags added: verification-needed-yakkety -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1657540 Title: [Hyper-V] netvsc: add rcu_read locked to netvsc callback Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Committed Status in linux source package in Yakkety: Fix Committed Status in linux source package in Zesty: Fix Released Bug description: Please add the following upstream commit (and its prerequisites) for SR-IOV on Azure: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0719e72ccb801829a3d735d187ca8417f0930459 author stephen hemminger <step...@networkplumber.org> 2017-01-11 17:16:32 (GMT) committer David S. Miller <da...@davemloft.net> 2017-01-11 21:13:53 (GMT) commit 0719e72ccb801829a3d735d187ca8417f0930459 (patch) tree a4f718fefcb15433fa59f6d4add44ae220edb806 parent 4ecb1d83f6abe8d49163427f4d431ebe98f8bd5f (diff) netvsc: add rcu_read locking to netvsc callback The receive callback (in tasklet context) is using RCU to get reference to associated VF network device but this is not safe. RCU read lock needs to be held. Found by running with full lockdep debugging enabled. Fixes: f207c10d9823 ("hv_netvsc: use RCU to protect vf_netdev") Signed-off-by: Stephen Hemminger <sthem...@microsoft.com> Signed-off-by: David S. Miller <da...@davemloft.net> To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1657540/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
