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authorsanga@chromium.org <sanga@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2011-08-17 16:45:48 +0000
committersanga@chromium.org <sanga@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2011-08-17 16:45:48 +0000
commita88016d19c4e05687cc9b1cf10fda7ef849c3db9 (patch)
tree2387d3694246441c7276e7cd41fd66745b1a16b7 /webkit/plugins/ppapi/quota_file_io_unittest.cc
parentcc25dba3d78ec1657aaa5ad9f286ac771b5c9bc4 (diff)
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Adding checks to guard against buffer overruns in QuotaFileIO::Write and base::FileUtilProxy::Write
Also made some minor changes to fix lint warnings. There are no tests for base::FileUtilProxy. BUG= http://code.google.com/p/nativeclient/issues/detail?id=2076 TEST= test_shell_tests Review URL: http://codereview.chromium.org/7651002 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97147 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'webkit/plugins/ppapi/quota_file_io_unittest.cc')
-rw-r--r--webkit/plugins/ppapi/quota_file_io_unittest.cc12
1 files changed, 12 insertions, 0 deletions
diff --git a/webkit/plugins/ppapi/quota_file_io_unittest.cc b/webkit/plugins/ppapi/quota_file_io_unittest.cc
index 1e0b360..79a4637 100644
--- a/webkit/plugins/ppapi/quota_file_io_unittest.cc
+++ b/webkit/plugins/ppapi/quota_file_io_unittest.cc
@@ -3,6 +3,8 @@
// found in the LICENSE file.
#include <deque>
+#include <limits>
+#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_callback_factory.h"
@@ -115,6 +117,16 @@ class QuotaFileIOTest : public PpapiUnittest {
}
void WriteTestBody(bool will_operation) {
+ // Attempt to write zero bytes.
+ EXPECT_FALSE(quota_file_io_->Write(0, "data", 0,
+ callback_factory_.NewCallback(
+ &QuotaFileIOTest::DidWrite)));
+ // Attempt to write negative number of bytes.
+ EXPECT_FALSE(quota_file_io_->Write(0, "data",
+ std::numeric_limits<int32_t>::min(),
+ callback_factory_.NewCallback(
+ &QuotaFileIOTest::DidWrite)));
+
quota_plugin_delegate()->set_available_space(100);
std::string read_buffer;