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HDFS-15910. Improve security with explicit_bzero (#2793)

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(cherry picked from commit 714427c414)
This commit is contained in:
Gautham B A 2021-03-23 22:28:19 +05:30 committed by Wei-Chiu Chuang
parent e9b06d942c
commit a216ee3b85
3 changed files with 3 additions and 3 deletions
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2
hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/bindings/c/hdfs.cc
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@ -1402,7 +1402,7 @@ int hdfsGetBlockLocations(hdfsFS fs, const char *path, struct hdfsBlockLocations
hdfsBlockLocations *locations = new struct hdfsBlockLocations(); hdfsBlockLocations *locations = new struct hdfsBlockLocations();
(*locations_out) = locations; (*locations_out) = locations;
bzero(locations, sizeof(*locations)); explicit_bzero(locations, sizeof(*locations));
locations->fileLength = ppLocations->getFileLength(); locations->fileLength = ppLocations->getFileLength();
locations->isLastBlockComplete = ppLocations->isLastBlockComplete(); locations->isLastBlockComplete = ppLocations->isLastBlockComplete();
locations->isUnderConstruction = ppLocations->isUnderConstruction(); locations->isUnderConstruction = ppLocations->isUnderConstruction();

2
hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/hdfs_ext_test.cc
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@ -475,7 +475,7 @@ TEST_F(HdfsExtTest, TestReadStats) {
hdfsFile file = hdfsOpenFile(fs, path.c_str(), O_WRONLY, 0, 0, 0); hdfsFile file = hdfsOpenFile(fs, path.c_str(), O_WRONLY, 0, 0, 0);
EXPECT_NE(nullptr, file); EXPECT_NE(nullptr, file);
void * buf = malloc(size); void * buf = malloc(size);
bzero(buf, size); explicit_bzero(buf, size);
EXPECT_EQ(size, hdfsWrite(fs, file, buf, size)); EXPECT_EQ(size, hdfsWrite(fs, file, buf, size));
free(buf); free(buf);
EXPECT_EQ(0, hdfsCloseFile(fs, file)); EXPECT_EQ(0, hdfsCloseFile(fs, file));

2
hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/hdfspp_mini_dfs.h
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@ -92,7 +92,7 @@ public:
hdfsFile file = hdfsOpenFile(*this, path.c_str(), O_WRONLY, 0, 0, 0); hdfsFile file = hdfsOpenFile(*this, path.c_str(), O_WRONLY, 0, 0, 0);
EXPECT_NE(nullptr, file); EXPECT_NE(nullptr, file);
void * buf = malloc(size); void * buf = malloc(size);
bzero(buf, size); explicit_bzero(buf, size);
EXPECT_EQ(1024, hdfsWrite(*this, file, buf, size)); EXPECT_EQ(1024, hdfsWrite(*this, file, buf, size));
EXPECT_EQ(0, hdfsCloseFile(*this, file)); EXPECT_EQ(0, hdfsCloseFile(*this, file));
free(buf); free(buf);