At Red Hat we base our real-time kernel off of 3.10.27 and do lots of
stress testing on that kernel. This has discovered some bugs that we
can hit with the vanilla 3.10.27 kernel (no -rt patches applied).
I sent out a bug fix that can cause a crash with the current 3.10.27
when you add and then remove the sit module. That patch is obsoleted by
these patches, as that patch was not enough.
A previous patch that was backported:
Upstream commit 205983c43700ac3a81e7625273a3fa83cd2759b5
sit: allow to use rtnl ops on fb tunnel
Had a depenency on commit 5e6700b3bf98 ("sit: add support of x-netns")
which was not backported. The dependency was only on part of that
commit which is what I backported.
The other upstream commit 9434266f2c645d4fcf62a03a8e36ad8075e37943
sit: fix use after free of fb_tunnel_dev
fixes another bug we encountered, it also fixes the 3.10.27 bug
where removing the sit module cause the crash. This is the patch
that obsoletes my previous patch.
-- Steve
Steven Rostedt (Red Hat) (1):
sit: Unregister sit devices with rtnl_link_ops
Willem de Bruijn (1):
sit: fix use after free of fb_tunnel_dev
----
net/ipv6/sit.c | 30 +++++++++++++++++++++++++-----
1 file changed, 25 insertions(+), 5 deletions(-)
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