diff options
| -rw-r--r-- | lib/stdlib/src/zip.erl | 28 | ||||
| -rw-r--r-- | lib/stdlib/test/zip_SUITE.erl | 36 |
2 files changed, 54 insertions, 10 deletions
diff --git a/lib/stdlib/src/zip.erl b/lib/stdlib/src/zip.erl index 31438ae36b..fadf96146e 100644 --- a/lib/stdlib/src/zip.erl +++ b/lib/stdlib/src/zip.erl @@ -368,9 +368,12 @@ do_unzip(F, Options) -> {Info, In1} = get_central_dir(In0, RawIterator, Input), %% get rid of zip-comment Z = zlib:open(), - Files = get_z_files(Info, Z, In1, Opts, []), - zlib:close(Z), - Input(close, In1), + Files = try + get_z_files(Info, Z, In1, Opts, []) + after + zlib:close(Z), + Input(close, In1) + end, {ok, Files}. %% Iterate over all files in a zip archive @@ -447,11 +450,20 @@ do_zip(F, Files, Options) -> #zip_opts{output = Output, open_opts = OpO} = Opts, Out0 = Output({open, F, OpO}, []), Z = zlib:open(), - {Out1, LHS, Pos} = put_z_files(Files, Z, Out0, 0, Opts, []), - zlib:close(Z), - Out2 = put_central_dir(LHS, Pos, Out1, Opts), - Out3 = Output({close, F}, Out2), - {ok, Out3}. + try + {Out1, LHS, Pos} = put_z_files(Files, Z, Out0, 0, Opts, []), + zlib:close(Z), + Out2 = put_central_dir(LHS, Pos, Out1, Opts), + Out3 = Output({close, F}, Out2), + {ok, Out3} + catch + C:R -> + Stk = erlang:get_stacktrace(), + zlib:close(Z), + Output({close, F}, Out0), + erlang:raise(C, R, Stk) + end. + %% List zip directory contents %% diff --git a/lib/stdlib/test/zip_SUITE.erl b/lib/stdlib/test/zip_SUITE.erl index 7d90795c9e..f0feda217a 100644 --- a/lib/stdlib/test/zip_SUITE.erl +++ b/lib/stdlib/test/zip_SUITE.erl @@ -27,7 +27,7 @@ openzip_api/1, zip_api/1, open_leak/1, unzip_jar/1, unzip_traversal_exploit/1, compress_control/1, - foldl/1]). + foldl/1,fd_leak/1]). -include_lib("common_test/include/ct.hrl"). -include_lib("kernel/include/file.hrl"). @@ -40,7 +40,7 @@ all() -> unzip_to_binary, zip_to_binary, unzip_options, zip_options, list_dir_options, aliases, openzip_api, zip_api, open_leak, unzip_jar, compress_control, foldl, - unzip_traversal_exploit]. + unzip_traversal_exploit,fd_leak]. groups() -> []. @@ -882,3 +882,35 @@ foldl(Config) -> {error, enoent} = zip:foldl(ZipFun, [], File), ok. + +fd_leak(Config) -> + ok = file:set_cwd(proplists:get_value(priv_dir, Config)), + DataDir = proplists:get_value(data_dir, Config), + Name = filename:join(DataDir, "bad_file_header.zip"), + BadExtract = fun() -> + {error,bad_file_header} = zip:extract(Name), + ok + end, + do_fd_leak(BadExtract, 1), + + BadCreate = fun() -> + {error,enoent} = zip:zip("failed.zip", + ["none"]), + ok + end, + do_fd_leak(BadCreate, 1), + + ok. + +do_fd_leak(_Bad, 10000) -> + ok; +do_fd_leak(Bad, N) -> + try Bad() of + ok -> + do_fd_leak(Bad, N + 1) + catch + C:R -> + Stk = erlang:get_stacktrace(), + io:format("Bad error after ~p attempts\n", [N]), + erlang:raise(C, R, Stk) + end. |