diff options
| -rw-r--r-- | erts/emulator/beam/erl_nif.c | 6 | ||||
| -rw-r--r-- | erts/emulator/test/nif_SUITE.erl | 17 | ||||
| -rw-r--r-- | erts/emulator/test/nif_SUITE_data/nif_SUITE.c | 10 |
3 files changed, 23 insertions, 10 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index e208792868..0fbf0eb03a 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -1255,8 +1255,10 @@ size_t enif_binary_to_term(ErlNifEnv *dst_env, if (is_non_value(*term)) { return 0; } - erts_factory_close(&factory); - cache_env(dst_env); + if (size > 0) { + erts_factory_close(&factory); + cache_env(dst_env); + } ASSERT(bp > data); return bp - data; diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index df521311e3..100fa006e7 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -2663,16 +2663,23 @@ nif_term_to_binary(Config) -> nif_binary_to_term(Config) -> ensure_lib_loaded(Config), - T = {#{ok => nok}, <<0:8096>>, lists:seq(1,100)}, + BigMap = maps:from_list([{I,-I} || I <- lists:seq(1,100)]), + [nif_binary_to_term_do(T) + || T <- [{#{ok => nok}, <<0:8096>>, lists:seq(1,100)}, + atom, 42, self(), BigMap]], + ok. + +nif_binary_to_term_do(T) -> + Dummy = [true|false], Bin = term_to_binary(T), Len = byte_size(Bin), - {Len,T} = binary_to_term_nif(Bin, undefined, 0), + {Len,T,Dummy} = binary_to_term_nif(Bin, undefined, 0), Len = binary_to_term_nif(Bin, self(), 0), - T = receive M -> M after 1000 -> timeout end, + {T,Dummy} = receive M -> M after 1000 -> timeout end, - {Len, T} = binary_to_term_nif(Bin, undefined, ?ERL_NIF_BIN2TERM_SAFE), + {Len,T,Dummy} = binary_to_term_nif(Bin, undefined, ?ERL_NIF_BIN2TERM_SAFE), false = binary_to_term_nif(<<131,100,0,14,"undefined_atom">>, - undefined, ?ERL_NIF_BIN2TERM_SAFE), + undefined, ?ERL_NIF_BIN2TERM_SAFE), false = binary_to_term_nif(Bin, undefined, 1), ok. diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c index a0aef60cf1..155bda6df0 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c +++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c @@ -2405,7 +2405,7 @@ static ERL_NIF_TERM term_to_binary(ErlNifEnv* env, int argc, const ERL_NIF_TERM static ERL_NIF_TERM binary_to_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { ErlNifBinary bin; - ERL_NIF_TERM term, ret_term; + ERL_NIF_TERM term, dummy, ret_term; ErlNifPid pid; ErlNifEnv *msg_env = env; unsigned int opts; @@ -2418,6 +2418,9 @@ static ERL_NIF_TERM binary_to_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM || !enif_get_uint(env, argv[2], &opts)) return enif_make_badarg(env); + /* build dummy heap term first to provoke OTP-15080 */ + dummy = enif_make_list_cell(msg_env, atom_true, atom_false); + ret = enif_binary_to_term(msg_env, bin.data, bin.size, &term, (ErlNifBinaryToTerm)opts); if (!ret) @@ -2425,11 +2428,12 @@ static ERL_NIF_TERM binary_to_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM ret_term = enif_make_uint64(env, ret); if (msg_env != env) { - enif_send(env, &pid, msg_env, term); + enif_send(env, &pid, msg_env, + enif_make_tuple2(msg_env, term, dummy)); enif_free_env(msg_env); return ret_term; } else { - return enif_make_tuple2(env, ret_term, term); + return enif_make_tuple3(env, ret_term, term, dummy); } } |