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-rw-r--r--erts/emulator/beam/erl_nif.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index ff551ea3af..8c4bf73dbe 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -472,6 +472,18 @@ int enif_inspect_binary(ErlNifEnv* env, Eterm bin_term, ErlNifBinary* bin)
struct enif_tmp_obj_t* tmp;
byte* raw_ptr;
}u;
+
+ if (is_boxed(bin_term) && *binary_val(bin_term) == HEADER_SUB_BIN) {
+ ErlSubBin* sb = (ErlSubBin*) binary_val(bin_term);
+ if (sb->is_writable) {
+ ProcBin* pb = (ProcBin*) binary_val(sb->orig);
+ ASSERT(pb->thing_word == HEADER_PROC_BIN);
+ if (pb->flags) {
+ erts_emasculate_writable_binary(pb);
+ sb->is_writable = 0;
+ }
+ }
+ }
u.tmp = NULL;
bin->data = erts_get_aligned_binary_bytes_extra(bin_term, &u.raw_ptr, allocator,
sizeof(struct enif_tmp_obj_t));