Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Sat, 30 Apr 2022 21:08:03 +0800 you wrote:
> The cnt value in the 'cnt >= BPF_MAX_TRAMP_PROGS' check does not
> include BPF_TRAMP_MODIFY_RETURN bpf programs, so the number of
> the attached BPF_TRAMP_MODIFY_RETURN bpf programs in a trampoline
> can exceed BPF_MAX_TRAMP_PROGS.
>
> When this happens, the assignment '*progs++ = aux->prog' in
> bpf_trampoline_get_progs() will cause progs array overflow as the
> progs field in the bpf_tramp_progs struct can only hold at most
> BPF_MAX_TRAMP_PROGS bpf programs.
>
> [...]
Here is the summary with links:
- [bpf-next] bpf: Fix potential array overflow in bpf_trampoline_get_progs()
https://git.kernel.org/bpf/bpf-next/c/a2aa95b71c9b
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
