On 6/18/21 12:55 PM, Maciej Żenczykowski wrote:

From: Maciej Żenczykowski <redacted>

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

Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Greg Kroah-Hartman <gregkh@google.com>
Cc: Lorenz Bauer <redacted>
Fixes: d37300ed1821 ("bpf: program: Refuse non-O_RDWR flags in BPF_OBJ_GET")
Signed-off-by: Maciej Żenczykowski <redacted>
---

Acked-by: Greg Kroah-Hartman <gregkh@google.com>