Messages in this thread |  | | Date | Mon, 6 Apr 2026 08:58:59 -0700 | | From | Jakub Kicinski <> | | Subject | Re: [PATCH net] xfrm_user: fix info leak in build_mapping() |
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On Mon, 6 Apr 2026 08:54:49 -0700 Jakub Kicinski wrote: > > Note, I think this is correct, as I don't think a new skb has it's > > fields pre-zeroed out, or am I totally wrong here? > > You're right, skb owner is responsible for clearing after put. > Tho, Netlink is not as perf critical as real networking, I wish > we at least had a helper which reserves the space and clears it :/ > This is not the first or the second time we hit this sort of a bug.
We could make nlmsg_append() do that. Mostly because I don't have a better idea for a name and nlmsg_append is only used once ;)
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