Symbol: bpf_strnlen
kernel/bpf/helpers.c
3738
return bpf_strnlen(s__ign, XATTR_SIZE_MAX);
kernel/bpf/helpers.c
4671
BTF_ID_FLAGS(func, bpf_strnlen);
tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c
43
SEC("syscall") __retval(USER_PTR_ERR)int test_strnlen_null(void *ctx) { return bpf_strnlen(NULL, 1); }
tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c
69
SEC("syscall") __retval(USER_PTR_ERR) int test_strnlen_user_ptr(void *ctx) { return bpf_strnlen(user_ptr, 1); }
tools/testing/selftests/bpf/progs/string_kfuncs_failure1.c
97
SEC("syscall") __retval(-EFAULT) int test_strnlen_pagefault(void *ctx) { return bpf_strnlen(invalid_kern_ptr, 1); }
tools/testing/selftests/bpf/progs/string_kfuncs_failure2.c
17
SEC("syscall") int test_strnlen_too_long(void *ctx) { return bpf_strnlen(long_str, sizeof(long_str)); }
tools/testing/selftests/bpf/progs/string_kfuncs_success.c
39
__test(11) int test_strnlen(void *ctx) { return bpf_strnlen(str, 12); }