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 | 70 +++++++++++++++++++
.../selftests/bpf/prog_tests/string_kfuncs.c | 2 +
.../bpf/progs/string_kfuncs_failure1.c | 53 ++++++++------
.../bpf/progs/string_kfuncs_failure2.c | 3 +
.../bpf/progs/string_kfuncs_success.c | 10 +++
5 files changed, 117 insertions(+), 21 deletions(-)
---
v4: Addressed Viktor's review comments (see v3)
v3: Use bpf_probe_read_kernel_str and resolve some bot suggestion issues
https://lore.kernel.org/lkml/[email protected]/
v2: Resolve some bot suggestion issues
https://lore.kernel.org/lkml/[email protected]/
v1:
https://lore.kernel.org/lkml/[email protected]/
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2.55.0
