Fix bpf_strnstr() wrong 'len' parameter, bpf_strnstr("open", "open", 4)
should return 0 instead of -ENOENT.
Rong Tao (2):
bpf/helpers: bpf_strnstr: Exact match length
selftests/bpf: Add tests for bpf_strnstr
kernel/bpf/helpers.c | 4 +++-
tools/testing/selftests/bpf/progs/string_kfuncs_success.c | 4 +++-
2 files changed, 6 insertions(+), 2 deletions(-)
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v3: Fix selftests/bpf error in v2, sorry about that;
v2: Follow Andrii Nakryiko's advise, fix the 'wrong fix';
https://lore.kernel.org/lkml/[email protected]/
v1:
https://lore.kernel.org/lkml/[email protected]/
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2.51.0
