Reference in a new issue

Blame

Copy permalink

Reference in a new issue

Copy permalink

Paolo Abeni 1f1b431a4f net: really orphan skbs tied to closing sk ...

[ Upstream commit 098116e7e6 ]

If the owing socket is shutting down - e.g. the sock reference
count already dropped to 0 and only sk_wmem_alloc is keeping
the sock alive, skb_orphan_partial() becomes a no-op.

When forwarding packets over veth with GRO enabled, the above
causes refcount errors.

This change addresses the issue with a plain skb_orphan() call
in the critical scenario.

Fixes: 9adc89af72 ("net: let skb_orphan_partial wake-up waiters.")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2021-06-03 09:00:46 +02:00

2724 lines

76 KiB

Raw Permalink Blame History