Hi Pablo, > This patch is much smaller and if you confirm this is address the > issue, then this is awesome. Yes, I can confirm the updated patch does fix the kernel panic. I have retested on the Pixel 4 XL with version 4.14.180. Please see the updated patchset v3. Thanks, Will Will McVicker (1): netfilter: nat: add a range check for l3/l4 protonum net/netfilter/nf_conntrack_netlink.c | 2 ++ 1 file changed, 2 insertions(+) -- 2.28.0.297.g1956fa8f8d-goog