diff options
| author | Florian Westphal <fw@strlen.de> | 2026-05-09 10:27:06 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2026-05-16 12:19:56 +0200 |
| commit | 1afc25ae75288b3ce59e9e5a4b448bd354c9e565 (patch) | |
| tree | 5bd107b6b0825004c319e470732ce215bd45911a /include | |
| parent | 93d809adc13001e9d3a3ceb8d1e60fae2fb740d6 (diff) | |
netfilter: nf_conntrack_helper: fix possible null deref during error log
Reported by sashiko: there is a small race window.
If a helper module is unloaded or a userspace-defined helper is
removed, nf_conntrack_helper_unregister() sets ->helper to NULL.
Handle this safely. This needs a second patch to close related
race during nf_conntrack_helper_unregister().
Fixes: b20ab9cc63ca ("netfilter: nf_ct_helper: better logging for dropped packets")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions