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-rw-r--r--erts/emulator/nifs/common/zlib_nif.c5
-rw-r--r--lib/kernel/test/zlib_SUITE.erl5
2 files changed, 7 insertions, 3 deletions
diff --git a/erts/emulator/nifs/common/zlib_nif.c b/erts/emulator/nifs/common/zlib_nif.c
index fa29b4fb71..104e52754a 100644
--- a/erts/emulator/nifs/common/zlib_nif.c
+++ b/erts/emulator/nifs/common/zlib_nif.c
@@ -929,7 +929,7 @@ static ERL_NIF_TERM zlib_inflate(ErlNifEnv *env, int argc, const ERL_NIF_TERM ar
return enif_raise_exception(env, am_not_initialized);
}
- if(d->eos_seen) {
+ if(d->eos_seen && enif_ioq_size(d->input_queue) > 0) {
int res;
switch(d->eos_behavior) {
@@ -943,11 +943,10 @@ static ERL_NIF_TERM zlib_inflate(ErlNifEnv *env, int argc, const ERL_NIF_TERM ar
}
d->eos_seen = 0;
+
break;
case EOS_BEHAVIOR_CUT:
zlib_reset_input(d);
-
- return enif_make_tuple2(env, am_finished, enif_make_list(env, 0));
}
}
diff --git a/lib/kernel/test/zlib_SUITE.erl b/lib/kernel/test/zlib_SUITE.erl
index 1afcd155b3..b20d64ec6a 100644
--- a/lib/kernel/test/zlib_SUITE.erl
+++ b/lib/kernel/test/zlib_SUITE.erl
@@ -652,6 +652,11 @@ api_g_un_zip(Config) when is_list(Config) ->
Concatenated = <<Bin/binary, Bin/binary>>,
?m(Concatenated, zlib:gunzip([Comp, Comp])),
+ %% Don't explode if the uncompressed size is a perfect multiple of the
+ %% internal inflate chunk size.
+ ChunkSizedData = <<0:16384/unit:8>>,
+ ?m(ChunkSizedData, zlib:gunzip(zlib:gzip(ChunkSizedData))),
+
%% Bad CRC; bad length.
BadCrc = bad_crc_data(),
?m(?EXIT(data_error),(catch zlib:gunzip(BadCrc))),