diff options
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/erl_bif_port.c | 2 | ||||
| -rw-r--r-- | erts/emulator/test/port_SUITE.erl | 29 |
2 files changed, 27 insertions, 4 deletions
diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c index 648f33744a..71b6d78094 100644 --- a/erts/emulator/beam/erl_bif_port.c +++ b/erts/emulator/beam/erl_bif_port.c @@ -985,6 +985,8 @@ static char **convert_args(Eterm l) } n = erts_list_length(l); + if (n < 0) + return NULL; /* We require at least one element in argv[0] + NULL at end */ pp = erts_alloc(ERTS_ALC_T_TMP, (n + 2) * sizeof(char **)); pp[i++] = erts_default_arg0; diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl index 0c43283cad..79abcbde5f 100644 --- a/erts/emulator/test/port_SUITE.erl +++ b/erts/emulator/test/port_SUITE.erl @@ -87,6 +87,7 @@ name1/1, t_binary/1, parallell/1, t_exit/1, env/1, huge_env/1, bad_env/1, cd/1, exit_status/1, + bad_args/1, tps_16_bytes/1, tps_1K/1, line/1, stderr_to_stdout/1, otp_3906/1, otp_4389/1, win_massive/1, win_massive_client/1, mix_up_ports/1, otp_5112/1, otp_5119/1, otp_6224/1, @@ -115,6 +116,7 @@ all() -> {group, multiple_packets}, parallell, dying_port, port_program_with_path, open_input_file_port, open_output_file_port, name1, env, huge_env, bad_env, cd, + bad_args, exit_status, iter_max_ports, count_fds, t_exit, {group, tps}, line, stderr_to_stdout, otp_3906, otp_4389, win_massive, mix_up_ports, otp_5112, otp_5119, @@ -901,10 +903,11 @@ bad_env(Config) when is_list(Config) -> ok. try_bad_env(Env) -> - try open_port({spawn,"ls"}, [{env,Env}]) - catch - error:badarg -> ok - end. + badarg = try open_port({spawn,"ls"}, [{env,Env}]) + catch + error:badarg -> badarg + end. + %% Test that we can handle a very very large environment gracefully. huge_env(Config) when is_list(Config) -> @@ -940,6 +943,24 @@ huge_env(Config) when is_list(Config) -> end. +%% Test bad 'args' options. +bad_args(Config) when is_list(Config) -> + try_bad_args({args, [self()]}), + try_bad_args({args, ["head" | "tail"]}), + try_bad_args({args, ["head", "body" | "tail"]}), + try_bad_args({args, [<<"head">>, <<"body">> | <<"tail">>]}), + try_bad_args({args, not_a_list}), + try_bad_args({args, ["string",<<"binary">>, 1472, "string"]}), + try_bad_args({args, ["string",<<"binary">>], "element #3"}), + ok. + +try_bad_args(Args) -> + badarg = try open_port({spawn_executable,"ls"}, [Args]) + catch + error:badarg -> badarg + end. + + %% 'cd' option %% (Can perhaps be made smaller by calling the other utility functions |