Re: [PATCH bpf 0/2] bpf: Fix out-of-bound issue when jit-ing bpf_pseudo_func

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On Fri, Nov 5, 2021 at 6:40 PM Martin KaFai Lau <kafai@xxxxxx> wrote:
>
> This set fixes an out-of-bound access issue when jit-ing the
> bpf_pseudo_func insn (i.e. ld_imm64 with src_reg == BPF_PSEUDO_FUNC)
>
> Martin KaFai Lau (2):
>   bpf: Stop caching subprog index in the bpf_pseudo_func insn
>   bpf: selftest: Trigger a DCE on the whole subprog
>
>  include/linux/bpf.h                           |  6 +++
>  kernel/bpf/core.c                             |  7 ++++
>  kernel/bpf/verifier.c                         | 37 +++++++------------
>  .../bpf/progs/for_each_array_map_elem.c       | 12 ++++++
>  4 files changed, 39 insertions(+), 23 deletions(-)

Thanks!
Applied to bpf tree with
Reported-by: Yonatan Komornik <yoniko@xxxxxxxxx>



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