Re: [PATCH bpf] Revert "bpf: program: Refuse non-O_RDWR flags in BPF_OBJ_GET"

[Lorenz Bauer]

On Fri, 18 Jun 2021 at 11:55, Maciej Żenczykowski
<zenczykowski@xxxxxxxxx> wrote:
>
> From: Maciej Żenczykowski <maze@xxxxxxxxxx>
>
> This reverts commit d37300ed182131f1757895a62e556332857417e5.
>
> This breaks Android userspace which expects to be able to
> fetch programs with just read permissions.
>
> See: https://cs.android.com/android/platform/superproject/+/master:frameworks/libs/net/common/native/bpf_syscall_wrappers/include/BpfSyscallWrappers.h;drc=7005c764be23d31fa1d69e826b4a2f6689a8c81e;l=124

As a follow up, what does Android expect to be able to do with this
read only FD?

Lorenz

-- 
Lorenz Bauer  |  Systems Engineer
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