Re: RFR: 8272746: ZipFile can't open big file (NegativeArraySizeException) [v4]
> Could you please review the JDK-8272746 bug fixes? > Since the array index is of type int, the overflow occurs when the value of > end.cenlen is too large because of too many entries. > It is necessary to read a part of the CEN from the file to fix the problem > fundamentally, but the way will require an extensive fix and degrade > performance. > In practical terms, the size of the central directory rarely grows that > large. So, I fixed it to check the size of the central directory and throw an > exception if it is too large. Masanori Yano has updated the pull request incrementally with one additional commit since the last revision: 8272746: ZipFile can't open big file (NegativeArraySizeException) - Changes: - all: https://git.openjdk.java.net/jdk/pull/6927/files - new: https://git.openjdk.java.net/jdk/pull/6927/files/621f1a68..9ebb2a7a Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=6927&range=03 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=6927&range=02-03 Stats: 14 lines in 1 file changed: 12 ins; 1 del; 1 mod Patch: https://git.openjdk.java.net/jdk/pull/6927.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/6927/head:pull/6927 PR: https://git.openjdk.java.net/jdk/pull/6927
Re: RFR: 8272746: ZipFile can't open big file (NegativeArraySizeException) [v4]
On Mon, 17 Jan 2022 09:56:13 GMT, Masanori Yano wrote: >> Could you please review the JDK-8272746 bug fixes? >> Since the array index is of type int, the overflow occurs when the value of >> end.cenlen is too large because of too many entries. >> It is necessary to read a part of the CEN from the file to fix the problem >> fundamentally, but the way will require an extensive fix and degrade >> performance. >> In practical terms, the size of the central directory rarely grows that >> large. So, I fixed it to check the size of the central directory and throw >> an exception if it is too large. > > Masanori Yano has updated the pull request incrementally with one additional > commit since the last revision: > > 8272746: ZipFile can't open big file (NegativeArraySizeException) Looks fine. One minor comment update but you can integrate after making the change test/jdk/java/util/zip/ZipFile/TestTooManyEntries.java line 82: > 80: > 81: /** > 82: * Validates that an appropriate exception is thrown when the ZipFile > class Please change "appropriate" to "ZipException" - Marked as reviewed by lancea (Reviewer). PR: https://git.openjdk.java.net/jdk/pull/6927
Re: RFR: 8272746: ZipFile can't open big file (NegativeArraySizeException) [v4]
On Mon, 17 Jan 2022 18:10:02 GMT, Lance Andersen wrote: >> Masanori Yano has updated the pull request incrementally with one additional >> commit since the last revision: >> >> 8272746: ZipFile can't open big file (NegativeArraySizeException) > > test/jdk/java/util/zip/ZipFile/TestTooManyEntries.java line 82: > >> 80: >> 81: /** >> 82: * Validates that an appropriate exception is thrown when the >> ZipFile class > > Please change "appropriate" to "ZipException" Thank you very much. I fixed it. - PR: https://git.openjdk.java.net/jdk/pull/6927
