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9 Commits

Author SHA1 Message Date
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 
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 
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 
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 
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. 
FossilOrigin-Name: 03f75a67c320f21192d721a8c34d49dea48ffdbb
 2016-11-14 20:47:18 +00:00
drh
588429a87d Fix a potential use-after-free error during parsing of malformed 
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 
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