From: Rong Tao <rongtao@cestc.cn>

Add string concatenation kfuncs.

Rong Tao (2):
  bpf: add bpf_strcat,bpf_strncat kfunc
  selftests/bpf: Test bpf_strcat,bpf_strncat kfuncs

 kernel/bpf/helpers.c                          | 91 +++++++++++++++++++
 .../selftests/bpf/prog_tests/string_kfuncs.c  |  2 +
 .../bpf/progs/string_kfuncs_failure1.c        | 13 +++
 .../bpf/progs/string_kfuncs_failure2.c        |  2 +
 .../bpf/progs/string_kfuncs_success.c         |  3 +
 5 files changed, 111 insertions(+)

-- 
2.55.0