guiyanakuang commented on a change in pull request #941:
URL: https://github.com/apache/orc/pull/941#discussion_r736177522
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File path: java/tools/src/java/org/apache/orc/tools/FileDump.java
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@@ -470,17 +476,30 @@ private static void recoverFiles(final List<String>
corruptFiles, final Configur
List<Long> footerOffsets = new ArrayList<>();
// start reading the data file form top to bottom and record the valid
footers
- while (remaining > 0) {
- int toRead = (int) Math.min(DEFAULT_BLOCK_SIZE, remaining);
- byte[] data = new byte[toRead];
+ while (remaining > 0 && corruptFileLen > (2L * magicLength)) {
Review comment:
Yes, because after I modified it, it will move magicLength bytes outside
the first read, which is to ensure that the internal move will not go out of
bounds.
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