Re: OOPS NULL pointer dereference in nf_nat_setup_info+0x471 (reproductible, 3.14.4)

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Vincent Tondellier <tondellier+ml.nfdev@xxxxxxxxxxx> wrote:
> sysctl -w net.ipv4.ip_forward=1
> sysctl -w net.netfilter.nf_conntrack_helper=0
> sysctl -w net.netfilter.nf_conntrack_acct=1
> 
> And try to connect the pptp client. Instant oops.

Q: does it not oops with _acct=0?

If that fixes it, and you have lockdep enabled in kernel
config -- can you check if

commit 223b02d923ecd7c84cf9780bb3686f455d279279
netfilter: nf_conntrack: reserve two bytes for nf_ct_ext->len

helps?
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