[ovs-dev] Crash when using packet generator with GRE or VXLAN
jesse at nicira.com
Tue Nov 29 09:21:24 PST 2011
On Wed, Nov 23, 2011 at 12:09 AM, Simon Horman <horms at verge.net.au> wrote:
> I have observed the following crash below using the in-kernel packet generator
> with skb_clone set to a non-zero value.
It's not safe to do this with many software devices including OVS that
write into the skb. Linux 3.1 introduced a flag (IFF_TX_SKB_SHARING)
that allows devices to block it but either way you shouldn't do this.
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