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* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2024-07-181-1/+2
| | | | | | | | | | | | | | Processing formats uses regular expressions. Very complex formats can recurse very deeply and thus can cause StackOVerflows depending on the used stack-size. In order to handle this a bit more gracefully, we now catch this and report a better exception with details about the parsed format and potential mitigation. Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66137 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919342 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2024-07-163-0/+12
| | | | | | | | | | | Avoid a possible OutOfMemoryException with many child-records This avoids having too many children in EscherRecords, the limit of 100_000 is arbitrarily chosen and can be adjusted if needed Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62924 and maybe others git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919272 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2024-07-151-0/+1
| | | | | | | | | | | | Avoid a possible StackOverflowException This adds support of counting of the "nesting level" into the base EscherRecord and thus makes this existing limitation much more effective as it kicks in for more types of nested records. Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66374 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919256 13f79535-47bb-0310-9956-ffa450edef68
* Optimize generating numbers for bullets in WordDominik Stadler2024-07-151-3/+8
| | | | | | | | | | | Using char[] instead of String improves performance of this operation considerably, especially in JDK 11+ where StringBuilder was switched to work on bytes instead of chars. This is likely only relevant for very large documents, it was visible in a synthetic test-file from fuzzing. git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919239 13f79535-47bb-0310-9956-ffa450edef68
* Reformat and add more testsDominik Stadler2024-07-152-26/+132
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919238 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2024-07-151-155/+124
| | | | | | | | Prevent too much memory usage Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=67413 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1919237 13f79535-47bb-0310-9956-ffa450edef68
* use standard ASF headerPJ Fanning2024-07-012-8/+0
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1918804 13f79535-47bb-0310-9956-ffa450edef68
* BoundedInputStream deprecation warningsPJ Fanning2024-06-051-1/+10
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1918175 13f79535-47bb-0310-9956-ffa450edef68
* Change one exception to warning-log to avoid regressions in mass-testsDominik Stadler2024-06-023-3/+4
| | | | | | This avoids "breaking" a few documents which could be opened before. git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1918118 13f79535-47bb-0310-9956-ffa450edef68
* Apply IDE suggestions and ignore sonar false positiveDominik Stadler2024-06-022-2/+2
| | | | | | | Use NullOutputStream.INSTANCE Rework one test slightly git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1918116 13f79535-47bb-0310-9956-ffa450edef68
* fix Logging issues:Axel Howind2024-02-215-16/+16
| | | | | | | - don't use foreign class in Logger initialization - update log statements to use MessageFormat syntax git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1915930 13f79535-47bb-0310-9956-ffa450edef68
* try to fix poi-scratchpad test module-infoPJ Fanning2024-02-101-0/+1
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1915701 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2024-01-301-1/+4
| | | | | | | | | | Prevent a few NullPointerException Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65450 and https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63907 and https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63727 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1915480 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2023-12-303-2/+8
| | | | | | | | Prevent NullPointerException Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64943 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1915004 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2023-12-301-0/+1
| | | | | | | | Prevent StackOverflow via endless nesting Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65303 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1914989 13f79535-47bb-0310-9956-ffa450edef68
* try to javadoc more unsupported methodsPJ Fanning2023-12-197-0/+30
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1914785 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2023-12-063-3/+7
| | | | | | | | | Change an assertion which can be triggered via an input-document. Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63309 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1914403 13f79535-47bb-0310-9956-ffa450edef68
* Close document always in SlideShowRecordDumperDominik Stadler2023-11-152-6/+8
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1913795 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2023-10-272-1/+3
| | | | | | | | | Fix one expected exception-text which is different on newer Java versions Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63143 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1913384 13f79535-47bb-0310-9956-ffa450edef68
* Bug 67767 - bump max picture sizeTim Allison2023-10-161-1/+1
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1913004 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid Exceptions found via oss-fuzzDominik Stadler2023-10-071-5/+6
| | | | | | | | | | We try to avoid throwing ClassCastExceptions, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62795 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912796 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a NullPointerException found via oss-fuzzDominik Stadler2023-10-072-1/+3
| | | | | | | | | We try to avoid throwing NullPointerException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62626 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912792 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2023-10-031-1/+1
| | | | | | | | | | | | | We try to avoid throwing NullPointerException, ClassCastExceptions and StackOverflowException, but it was possible to trigger them Also improve some exception messages Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62698 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62606 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62685 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912707 13f79535-47bb-0310-9956-ffa450edef68
* commons-io 2.14.0PJ Fanning2023-10-011-0/+1
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912638 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2023-09-212-1/+3
| | | | | | | | | We try to avoid throwing NullPointerException, ClassCastExceptions and StackOverflowException, but it was possible to trigger them Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62548 and https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62564 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912464 13f79535-47bb-0310-9956-ffa450edef68
* Bug47950 -- make stream/directory name lookup in OLE2 case insensitiveTim Allison2023-09-2019-72/+86
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912438 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2023-09-203-3/+4
| | | | | | | | | We try to avoid throwing NullPointerException, ClassCastExceptions and StackOverflowException, but it was possible to trigger them Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62530 and https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62491 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912433 13f79535-47bb-0310-9956-ffa450edef68
* Adjust max recursion nestingDominik Stadler2023-09-181-1/+1
| | | | | | Otherwise this still triggered StackOverflow on some version of JDK git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912403 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid exceptions found via poi-fuzzDominik Stadler2023-09-182-10/+14
| | | | | | | | | | We try to avoid throwing NullPointerException, ClassCastExceptions and StackOverflowException, but it was possible to trigger them Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61562 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62068 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912383 13f79535-47bb-0310-9956-ffa450edef68
* use files nio APIs in more placesPJ Fanning2023-09-179-22/+30
| | | | git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912367 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid NullPointerExceptions and ClassCastExceptions found via ↵Dominik Stadler2023-09-1710-15/+87
| | | | | | | | | | | | | poi-fuzz We try to avoid throwing NullPointerException and ClassCastExceptions, but it was possible to trigger them Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62414 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62442 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62450 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912365 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a NullPointerException found via oss-fuzzDominik Stadler2023-09-112-1/+14
| | | | | | | | | We try to avoid throwing NullPointerException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62216 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912250 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a NullPointerException found via oss-fuzzDominik Stadler2023-09-083-65/+35
| | | | | | | | | We try to avoid throwing NullPointerException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62128 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1912199 13f79535-47bb-0310-9956-ffa450edef68
* Apply some IDE suggestions, add tests, set unit-test to isolatedDominik Stadler2023-08-241-3/+3
| | | | | | | Without Isolation, one test did change static settings and thus could cause flaky tests git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911891 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-232-2/+8
| | | | | | | | | We try to avoid throwing ClassCastException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61578 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911860 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-121-16/+21
| | | | | | | | | We try to avoid throwing ClassCastException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61400 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911618 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a NullPointerException found via oss-fuzzDominik Stadler2023-08-111-3/+5
| | | | | | | | | We try to avoid throwing NullPointerException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61372 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911603 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-101-23/+29
| | | | | | | | | We try to avoid throwing ClassCastException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61330 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911586 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a NullPointerException found via oss-fuzzDominik Stadler2023-08-101-61/+51
| | | | | | | | Handle some data that can be missing properly. Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61332 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911585 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a StackOverflowException found via oss-fuzzDominik Stadler2023-08-091-4/+21
| | | | | | | | | | | | We try to avoid causing StackOverflow, but it was possible to trigger one here with a specially crafted input-file. This puts a limit on the number of nested children in place and logs a warning when the Stream is not fully parsed. Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61256 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911577 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-092-2/+7
| | | | | | | | | We try to avoid throwing ClassCastException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61306 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911573 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-093-4/+9
| | | | | | | | | We try to avoid throwing ClassCastException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61317 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911565 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a StackOverflowException found via oss-fuzzDominik Stadler2023-08-093-8/+30
| | | | | | | | | | | | We try to avoid causing StackOverflow, but it was possible to trigger one here with a specially crafted input-file. This puts a limit on the number of nested properties in place and logs a warning when the StyleSheet is not fully parsed. Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61252 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911563 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Add memory-safeguard in one more placeDominik Stadler2023-08-073-7/+33
| | | | | | | | | | | | | | We try to generally avoid overly large allocations in places where arrays are allocated. We add one more such check for pictures in HSLF. We might need to increase the used value of 10MB if users report larger files being used frequently. Overriding this check via IOUtils is possible. git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911525 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-071-0/+3
| | | | | | Fix previous changes git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911522 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-071-1/+6
| | | | | | | | | | | We try to avoid throwing ClassCastException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61259 Also fix handling of NullPointerException git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911517 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid an AssertionError found via oss-fuzzDominik Stadler2023-08-072-1/+12
| | | | | | | | | We try to avoid throwing AssertionError to be triggered by input data, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61251 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911514 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-073-14/+42
| | | | | | | | | We try to avoid throwing ClassCastException, but it was possible to trigger one here with a specially crafted input-file Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61243 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911507 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-071-1/+1
| | | | | | Add exception details and fix expected exceptions to make tests run again git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911503 13f79535-47bb-0310-9956-ffa450edef68
* Bug 66425: Avoid a ClassCastException found via oss-fuzzDominik Stadler2023-08-062-346/+345
| | | | | | | | | | | We try to avoid throwing ClassCastException, but it was possible to trigger one here with a specially crafted input-file Also rework test a bit to use try-with-resources and proper formatting Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61221 git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1911494 13f79535-47bb-0310-9956-ffa450edef68
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