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-rw-r--r--lib/asn1/c_src/asn1_erl_driver.c16
-rw-r--r--lib/kernel/test/ram_file_SUITE.erl37
2 files changed, 31 insertions, 22 deletions
diff --git a/lib/asn1/c_src/asn1_erl_driver.c b/lib/asn1/c_src/asn1_erl_driver.c
index cd2e63a363..fd284e5800 100644
--- a/lib/asn1/c_src/asn1_erl_driver.c
+++ b/lib/asn1/c_src/asn1_erl_driver.c
@@ -1,19 +1,19 @@
/*
* %CopyrightBegin%
- *
- * Copyright Ericsson AB 2002-2009. All Rights Reserved.
- *
+ *
+ * Copyright Ericsson AB 2002-2010. All Rights Reserved.
+ *
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
- *
+ *
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
- *
+ *
* %CopyrightEnd%
*
*/
@@ -206,7 +206,11 @@ int asn1_drv_control(ErlDrvData handle,
set_port_control_flags(a_data->port, PORT_CONTROL_FLAG_BINARY);
if (command == ASN1_COMPLETE)
- { /* Do the PER complete encode step */
+ {
+ if (buf_len==0) {
+ return 0; /* Avoid binary buffer overwrite (OTP-8451) */
+ }
+ /* Do the PER complete encode step */
if ((drv_binary = driver_alloc_binary(buf_len))==NULL) {
/* error handling */
set_port_control_flags(a_data->port, 0);
diff --git a/lib/kernel/test/ram_file_SUITE.erl b/lib/kernel/test/ram_file_SUITE.erl
index 55c9497670..798a37d3dc 100644
--- a/lib/kernel/test/ram_file_SUITE.erl
+++ b/lib/kernel/test/ram_file_SUITE.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 2001-2010. All Rights Reserved.
+%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
-%%
+%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
-%%
+%%
%% %CopyrightEnd%
%%
@@ -472,20 +472,25 @@ uuencode(Config) when is_list(Config) ->
%%
%% Uuencode and decode test
%%
- ?line {ok, 0} = ?FILE_MODULE:position(FdReal, bof),
- ?line {ok, 0} = ?FILE_MODULE:position(Fd, bof),
- ?line ok = ?FILE_MODULE:truncate(Fd),
- ?line {ok, Sz} = ?FILE_MODULE:copy(FdReal, Fd),
- ?line {ok, SzUu} = ?RAM_FILE_MODULE:uuencode(Fd),
- ?line true = (Sz =< SzUu),
- ?line {ok, Sz } = ?RAM_FILE_MODULE:uudecode(Fd),
- ?line {ok, 0} = ?FILE_MODULE:position(FdReal, bof),
- ?line {ok, 0} = ?FILE_MODULE:position(Fd, bof),
- ?line true = compare(FdReal, Fd),
- %%
+ F = fun(Offs) ->
+ Size = Sz - Offs,
+ ?line {ok, Offs} = ?FILE_MODULE:position(FdReal, {bof,Offs}),
+ ?line {ok, 0} = ?FILE_MODULE:position(Fd, bof),
+ ?line ok = ?FILE_MODULE:truncate(Fd),
+ ?line {ok, Size} = ?FILE_MODULE:copy(FdReal, Fd),
+ ?line {ok, SizeUu} = ?RAM_FILE_MODULE:uuencode(Fd),
+ ?line true = (Size =< SizeUu),
+ ?line {ok, Size} = ?RAM_FILE_MODULE:uudecode(Fd),
+ ?line {ok, Offs} = ?FILE_MODULE:position(FdReal, {bof,Offs}),
+ ?line {ok, 0} = ?FILE_MODULE:position(Fd, bof),
+ ?line true = compare(FdReal, Fd)
+ end,
+ lists:foreach(F, lists:seq(0,Sz-1, 43)),
+
?line ok = ?FILE_MODULE:close(FdReal),
?line ok = ?FILE_MODULE:close(Fd),
?line ok = ?FILE_MODULE:close(FdRealUu),
+ %%
ok.