tree 0cca6bef7379687e6d6fd6ac7f8f9b056567cc34
parent d818b56a276c761d7b70064a7381a9c40635cc68
author Florian Westphal <fw@strlen.de> 1701442033 +0100
committer Arnav Kansal <rnv@google.com> 1703885244 +0000

netfilter: nft_set_pipapo: skip inactive elements during set walk

commit 317eb9685095678f2c9f5a8189de698c5354316a upstream.

Otherwise set elements can be deactivated twice which will cause a crash.

BUG=b/317494949, b/316368781
TEST=presubmit
RELEASE_NOTE=Fixed CVE-2023-6817 in the Linux kernel.

Reported-by: Xingyuan Mo <hdthky0@gmail.com>
Fixes: 3c4287f62044 ("nf_tables: Add set type for arbitrary concatenation of ranges")
Change-Id: I9b8b2b5a89396b90bdaf693337696307905dab66
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Arnav Kansal <rnv@google.com>
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/62818
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Oleksandr Tymoshenko <ovt@google.com>