RFR: JDK-8039751: UTF-8 decoder fails to handle some edge cases correctly
Xueming Shen
xueming.shen at oracle.com
Wed Apr 9 21:51:53 UTC 2014
Hi,
Please help review the fix for JDK-8039751.
Issue: https://bugs.openjdk.java.net/browse/JDK-8039751
webrev: http://cr.openjdk.java.net/~sherman/8039751/webrev/
This is the corner case (in 4 bytes sequence) we missed when fixing 7096080 [1].
The UTF_8 decoder correctly returns the malformed length for some malformed
4-byte illegal byte sequence (via Decoder.malformedN(...)), but it fails to do so if
there is no enough (< 4 bytes) bytes in input buffer (via isMalfromed4_2(...))
The proposed change fixes these corner cases.
Hey Mark, my reading of tomcat's test case suggests "malformed 4-byte sequence"
is the only thing left after the jdk8 fix, right?
Thanks!
-Sherman
[1] https://bugs.openjdk.java.net/browse/JDK-7096080
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