diff options
| -rw-r--r-- | tools/testing/selftests/bpf/progs/dynptr_success.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/progs/dynptr_success.c b/tools/testing/selftests/bpf/progs/dynptr_success.c index 3094a1e4ee91..8315273cb900 100644 --- a/tools/testing/selftests/bpf/progs/dynptr_success.c +++ b/tools/testing/selftests/bpf/progs/dynptr_success.c @@ -9,6 +9,8 @@ #include "bpf_misc.h" #include "errno.h" +#define PAGE_SIZE_64K 65536 + char _license[] SEC("license") = "GPL"; int pid, err, val; @@ -821,8 +823,17 @@ int test_dynptr_memset_xdp_chunks(struct xdp_md *xdp) data_sz = bpf_dynptr_size(&ptr_xdp); err = bpf_dynptr_memset(&ptr_xdp, 0, data_sz, DYNPTR_MEMSET_VAL); - if (err) + if (err) { + /* bpf_dynptr_memset() eventually called bpf_xdp_pointer() + * where if data_sz is greater than 0xffff, -EFAULT will be + * returned. For 64K page size, data_sz is greater than + * 64K, so error is expected and let us zero out error and + * return success. + */ + if (data_sz >= PAGE_SIZE_64K) + err = 0; goto out; + } bpf_for(i, 0, max_chunks) { offset = i * sizeof(buf); |