Files
linux-stable-mirror/include/linux
Stanislav Fomichev 93cd8312e1 net: Add skb_dstref_steal and skb_dstref_restore
[ Upstream commit c3f0c02997 ]

Going forward skb_dst_set will assert that skb dst_entry
is empty during skb_dst_set to prevent potential leaks. There
are few places that still manually manage dst_entry not using
the helpers. Convert them to the following new helpers:
- skb_dstref_steal that resets dst_entry and returns previous dst_entry
  value
- skb_dstref_restore that restores dst_entry previously reset via
  skb_dstref_steal

Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250818154032.3173645-2-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: 81b84de32b ("xfrm: fix ip_rt_bug race in icmp_route_lookup reverse path")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-03-04 07:19:45 -05:00
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