mainline inclusion
from mainline-v5.17-rc1
commit 9497c458
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I4WRPV
CVE: CVE-2022-0500

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9497c458c10b049438ef6e6ddda898edbc3ec6a8

--------------------------------

This test verifies that a ksym of non-struct can not be directly
updated.
Signed-off-by: NHao Luo <haoluo@google.com>
Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
Acked-by: NAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211217003152.48334-10-haoluo@google.com
Conflicts:
	tools/testing/selftests/bpf/prog_tests/ksyms_btf.c
Signed-off-by: NPu Lehui <pulehui@huawei.com>
Reviewed-by: NKuohai Xu <xukuohai@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>