drh
f8937f9034
Fix a faulty assert() in the validation logic for the LEFT JOIN strength
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reduction optimization. Problem found by OSSFuzz.
FossilOrigin-Name: 2fd62fccd13e326dbd7dd730112542c6faa56e466bf4f7b8e22ced543031280c
2018-09-23 02:01:42 +00:00
drh
2c3ba94969
Enhance WhereLoopBuilder.iPlanLimit to handle a case involving the OR
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optimization discovered overnight by OSSFuzz.
FossilOrigin-Name: 7b59930a1d7b664b54d5a2bc9fa385925b5f4c8f34bf401c798307e3e2dae2c6
2018-09-22 15:05:32 +00:00
drh
9fd88e8db7
Fix an uninitialized variable in the OP_ParseSchema opcode that comes up
...
only if the schema is corrupt.
FossilOrigin-Name: 725808d4c59176f71787452c7e500b563fd99cfc8ece47b1efe01d5e207efe0d
2018-09-07 11:08:31 +00:00
drh
ad9f515f52
Fix the isLikeOrGlob() routine in the WHERE clause processing logic so that
...
it avoids signed/unsigned character comparisons, as that can lead to an
incorrect answer if the ESCAPE clause is an invalid UTF8 string. Problem
found by OSSFuzz.
FossilOrigin-Name: 4195a3f8b5d2c2ec63771890c5aa7b5e2de60b9fa2273652730239b8577ae418
2018-08-09 21:45:45 +00:00
drh
bb9c45b49a
Add test cases for the constant expression fix of the previous check-in.
...
FossilOrigin-Name: 95db5bd9fea86a10c9528dd24841e1370dfdc0bbb5c98b7cbd808a8bc59dd48f
2018-08-04 15:28:12 +00:00
drh
07aded63f4
Do not allow a column reference that is converted into a constant by the
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WHERE-clause constant propagation optimization to be moved to the init-time
constant expression list, as the table reference will not work there.
This fixes a problem found by OSSFuzz.
FossilOrigin-Name: d30b2a947313b146f29e2b53f0fd471409fda7938151241d3fb5863614f88999
2018-07-28 16:24:08 +00:00
drh
1fd4e7bb0c
Fix an assert() statement that was made obsolete by the constant
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propagation enhancement. Problem discovered by OSSFuzz.
FossilOrigin-Name: e4b4737e348235e196a45e1b71876b82e0cc836e1c5c16ea5f9333b7509b59b8
2018-07-28 14:56:56 +00:00
drh
f2cf412a0a
Fix a harmless compiler warning in fuzzcheck. Add new OSSFuzz test cases
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to the test case library.
FossilOrigin-Name: d2619746cb233f4be127a77988548dd1d90eebddf0d0ac9107913b240553e5d0
2018-05-08 13:03:31 +00:00
drh
634133183c
In the LEMON parser-generator, fix the stack overflow processing so that it
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correct invokes the destructor on the top-level of the parse stack.
FossilOrigin-Name: e8247065cf1d929f42d13864f8a1886ed4d329cd
2016-12-06 17:59:05 +00:00
drh
5413ba4b17
Add 8794 new test cases received from the OSS-FUZZ project.
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FossilOrigin-Name: 03f75a67c320f21192d721a8c34d49dea48ffdbb
2016-11-14 20:47:18 +00:00
drh
588429a87d
Fix a potential use-after-free error during parsing of malformed
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CREATE TABLE statement.
FossilOrigin-Name: c5dbc599b910c02a961675b12b273b8df6d29450
2016-11-14 20:08:00 +00:00
drh
362b66f051
Enhance fuzzcheck.c to accept database-specific configuration parameters in
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the option CONFIG table. Add the fuzzdata5.db fuzz database containing
test cases from OSS-FUZZ.
FossilOrigin-Name: a71fad4538311ede111815d221d9eb8d9018092b
2016-11-14 18:27:41 +00:00
