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Backport bounds checks for bpf
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On Thu, Apr 18, 2024 at 11:19:46PM +0000, Edward Liaw wrote: > These backports fix CVE-2021-4204, CVE-2022-23222 for 5.15.y. > > This includes a conflict resolution with 45ce4b4f9009 ("bpf: Fix crash > due to out of bounds access into reg2btf_ids.") which was cherry-picked > previously. > Link: https://lore.kernel.org/all/20220428235751.103203-11-haoluo@google.com/ > > They were tested on 5.15.156 to pass LTP test bpf_prog06 with no > regressions in test_verifier in bpf selftests. All now applied, thanks. greg k-h