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Author SHA1 Message Date
dan
2c7a73eaea Fix another segfault caused by a corrupt fts3 database. 
FossilOrigin-Name: ba3b8412726548a0716c1a2d67260c3b7e31956474f4cd4ce607cf2cebc667dd
 2019-01-22 12:21:28 +00:00
drh
9b13365bba Ensure that a key comparison does not read a collating sequence past the 
end of the KeyInfo, even if the key field of an index is corrupted by having
a string in the last column instead of the ROWID.

FossilOrigin-Name: 058a8006dceda78a894ea9446f057aa60b6d38e96506d4d91bda0ee2f9314ba3
 2019-01-22 02:34:35 +00:00
drh
87c3ad4537 Enhance the btree search routine so that it does early detection of 
impossibly large keys and thereby avoids a large malloc() call.

FossilOrigin-Name: 3ecaaee69f49e43d38047b7d53b82689eba7f7d33541fcac3c32b6dc8a568458
 2019-01-21 23:18:22 +00:00
dan
129371553c Avoid deferencing a freed pointer following an OOM or SQLITE_CORRUPT error in 
the fts3 xDestroy method.

FossilOrigin-Name: 505ed9a47825240979338a24044559613fbbd2a7850bdff70c7164da054ec63d
 2019-01-21 17:57:31 +00:00
dan
ac30553f76 Remove a faulty assert() from fts3. 
FossilOrigin-Name: 6c33a303ebbb0f5193ead535280ba63118e14fb4f9977ce80dc716a0b082ec99
 2019-01-21 16:12:20 +00:00
drh
e6c628e98c Make sure the extra bytes allocated for the saved cursor position by 
check-in [160b1e31c0f27257] are initialized to zero.

FossilOrigin-Name: 2737564929e86ead84a3ff6512369268198d38b46e3e02866f8ce34babc76cb9
 2019-01-21 16:01:17 +00:00
drh
50b910a8b5 Add the --memtrace option to the CLI. 
FossilOrigin-Name: a1e12fa2a8eb5648a96cc2d8d39899d6f87c5e2269cec7de486964c8b915e724
 2019-01-21 14:55:03 +00:00
drh
7c04c69204 Minor fix the fallocate.test module change from [7cd56cad5efead5] 
FossilOrigin-Name: 94fb7a47003c3c1a52e833e98d27399cfec5382afde2b3990e8223c8bff7cfa0
 2019-01-21 14:49:14 +00:00
drh
5976552a72 Add the --max-data and --max-as options to dbfuzz2. Also cause dbfuzz2 to 
show its maximum RSS size upon exit in standalone mode with the -v option.

FossilOrigin-Name: 7ce93e824a954d1e0cf8d7343e59a2660175f42bd4dac02aed8ad77644e7eb2f
 2019-01-21 13:47:55 +00:00
drh
8ed07d1274 Add the --max-stack option to dbfuzz2. 
FossilOrigin-Name: c11ae4fed89484f0a0061002861b5d599bbda8e40a1f0c33fdbe8cb072134d5c
 2019-01-20 00:03:59 +00:00
dan
27a037354c Avoid a division-by-zero error in fts5 caused by a corrupt database. 
FossilOrigin-Name: 928e622178bd004be52b2271ac554176aebe9d6e115ecac4e7072eccbb4262b5
 2019-01-19 15:55:27 +00:00
dan
b8852ae083 Remove a broken assert() triggered by a "PRAGMA max_page_count = N" 
invocation, where N is larger than the number of pages in the database image,
but smaller than the number of pages in the database file.

FossilOrigin-Name: 7cd56cad5efead5097e9918c87313bb46e583fe62bae0df1be60e10117e2c3cb
 2019-01-19 15:27:09 +00:00
dan
93b6c1666d Fix a problem with using ALTER TABLE to rename a table or column when the 
database schema contains a trigger or view that itself contains an expression
 "<column> AND 0".

FossilOrigin-Name: 908ff7fffa302255a74e2334ca3a1779ed43acb0268fce5a83a56fd16794dc88
 2019-01-19 14:07:37 +00:00
dan
225b05795f Fix a memory leak introduced by [55c5d72a]. 
FossilOrigin-Name: fbd681dce2905d8b8ad7948ba684b0b62d6c04be0f7a2992ee7d6836a99010de
 2019-01-18 21:17:08 +00:00
dan
6e0a75a2b8 Fix a crash in the fts5vocab module caused by including a "term < NULL" term 
in a WHERE clause.

FossilOrigin-Name: 9e717c4377c0116a5d36815fbc30f8b8803f14770d30be361feb27cc5b5b537b
 2019-01-18 21:12:32 +00:00
dan
a86b20820d Fix an infinite loop caused by a corrupt database in fts3. Also an undefined 
left-shift in fts5.

FossilOrigin-Name: 55c5d72af9510e2f27c33544d804a58d4282b0efb384ead38484129ce91b574f
 2019-01-18 21:03:15 +00:00
dan
4c1c79035f Avoid passing a NULL pointer to memcpy in fts5, even if the database is corrupt. 
FossilOrigin-Name: acccc9808f52009b2c7794770c8b7efe2ce861fa184d32e287e7114c74e2b522
 2019-01-18 20:15:02 +00:00
drh
d00ad9a656 Typecasts added to the GeoPoly extension to avoid harmless UBSAN warnings. 
FossilOrigin-Name: a1f6a093ac4a2de8c5b02c30fe57e09770460fd5bdddfe9c7a9a24fb83a6b491
 2019-01-18 19:33:56 +00:00
dan
451297752c Fix problems causing undefined left-shift operations in the fts3 snippet() 
function.

FossilOrigin-Name: b90dbaed3092236e97f9796fa63989a3648060e16189e1267c430f4a7e799fac
 2019-01-18 19:26:48 +00:00
drh
ed968fa4cb Avoid integer overflow when computing the array of a bounding box with 
the rtree_i32 virtual table.

FossilOrigin-Name: b352f1590d20a574b0681e011ececcf4f41fa5b157503d330e03939404aca0e9
 2019-01-18 18:52:17 +00:00
drh
e3b89d2c5f Handle oversize floating point values carefully when converting to integers 
for the '%' binary operator.

FossilOrigin-Name: 048add13fc10e69ae504a49c4663612381d928b2cf1f9cdab4ff34bd40f601a3
 2019-01-18 17:53:50 +00:00
dan
0e14e98706 Fix a fairly obscure problem allowing an "ALTER TABLE RENAME col TO ..." statement to modify the schema in such a way as to break a reference within a trigger program. 
FossilOrigin-Name: 64bec9e6214c6932fab5a3fb8c569ae14cd2d603bd0f8b26104815c3bb9d396a
 2019-01-18 16:06:18 +00:00
drh
3cb79202f8 Use the full 64-bit integer value in the argument to randomblob(). 
FossilOrigin-Name: 05df5f7aeaf2132810452e8871132d1e66650a841991cb2a9ce32f2d03e20bf4
 2019-01-18 14:53:15 +00:00
drh
21908b2166 Disable the xfer-optimization if the two tables have the same root page 
due to schema corruption.

FossilOrigin-Name: f31b3bd2a6a8aa35a6454f37f3a4b4595e2ad74256cd180439019ab4c6c2059e
 2019-01-17 20:19:35 +00:00
dan
934d4f7bac Fix another corruption related crash in fts5. 
FossilOrigin-Name: 4538d9afe4e6360e20c7b474e77314e5ad293453e1edbe356bf6ea84c05857ee
 2019-01-17 20:06:56 +00:00
drh
aa0f2d0efa Add the SQLITE_ENABLE_EARLY_CURSOR_CLOSE compile-time option which causes 
read cursors to be closed after their usefulness ends during a two-pass
UPDATE.

FossilOrigin-Name: 7def6c8edd85f19ee09038e01541f75b1f71ca39b9fb782b8f0fcac89207c353
 2019-01-17 19:33:16 +00:00
dan
f66da6ce8e Fix a buffer overwrite that could occur when running an fts5 prefix query 
against a corrupt database.

FossilOrigin-Name: 3910b5639d5c96d1840d4feeea64d3a55073531b7365a4e75d9cda6f119f3cfc
 2019-01-17 19:11:10 +00:00
dan
25fb50674f Fix problems with joining two or more fts5_vocab tables that access the same 
underlying fts5 table.

FossilOrigin-Name: 49956395e14b61f6bf839e59ae7dd95eb32ebf32f3d16388844de6621b9c2d98
 2019-01-17 17:39:15 +00:00
drh
29c992cb04 Revamp the SrcList allocator routines to be methods of Parse instead of 
being methods of the "sqlite3" object, so that they can leave better error
messages when the SrcList object grows too large.

FossilOrigin-Name: df08d472b090b212fb77ce2aae0e1ffe79ae5db4b1accf55e6fdb18e8b0a7098
 2019-01-17 15:40:41 +00:00
drh
0ad7aa8182 Limit the size of SrcList objects to 200 entries (compile-time configurable 
using -DSQLITE_MAX_SRCLIST=n).  The maximum number of tables in a join has
always been 64, so this is not a real constraint on capability.  Limiting the
size of a SrcList prevents DOS attacks (discovered by OSSFuzz) using crazy
nexted CTE joins.

FossilOrigin-Name: 7cac614d5df55eb092b863163483b6782b942b21bd15fd787576fef5619fa849
 2019-01-17 14:34:46 +00:00
drh
04fcef00ee Fix a corner-case for the logic that cause an insert of a NULL into an 
INTEGER PRIMARY KEY column to be converted into a valid integer key,
when the NULL results from a CASE expression that lacks an ELSE clause.

FossilOrigin-Name: 9a425051e7ba59e797636f5cf32b5f6efafdb21c8d5300e099b8008b829c1439
 2019-01-17 04:40:04 +00:00
drh
30fdb45da0 Ensure that the variable-length integer decoder in FTS3 never tries to 
left-shift a negative number.

FossilOrigin-Name: 10ffc1fe006a1766ff2f1ffc6129786afb86b6b1f8d3a17334e8ecb838d37b9c
 2019-01-17 03:43:38 +00:00
drh
f20bbc5f69 Fix a failure in sqlite3ExprCompare() 
FossilOrigin-Name: 835e2cc55feea2f2426c99816c27f9c35d2fd4cdd9bf1c7f46f889ecfd222778
 2019-01-17 01:06:00 +00:00
dan
8b20e4a3eb Fix a problem with fix [b4b57413]. 
FossilOrigin-Name: ca7b7aaed010ec67bec5355a9ac1d7f229d6d5f2ba2d796b76f5e908b1267688
 2019-01-16 20:48:13 +00:00
dan
e011ee2830 Fix a problem in the fts3 matchinfo() function with corrupt database handling. 
FossilOrigin-Name: 24ed5fb6aea30b098d2faf3cf9d638933e518657217e903239ffaa1e25d34f66
 2019-01-16 19:44:09 +00:00
drh
375afb8bda Fix a problem in the code generator for sorting results with SRT_EphemTab 
and a LIMIT clause.

FossilOrigin-Name: 49fcde2f1f981ac0c75728bed3444e7c1d3167311db282d3375c96ce090b2210
 2019-01-16 19:26:31 +00:00
dan
5e970a8f40 Fix a problem with renaming a column that is used as part of an ORDER BY on a 
compound SELECT within a database view or trigger.

FossilOrigin-Name: b4b5741366578b25ec6e4c415ab8239215e53b1c900be613575f40a826cfccc9
 2019-01-16 14:58:37 +00:00
dan
fb8ac325d7 Avoid a dangling pointer comparison when renaming a table that has a trigger 
that itself contains a window function with an (illegal) column reference in a
FOLLOWING expression.

FossilOrigin-Name: d45bee36f2c1091a2d32c16ca8921bf4e7c9e40c46d0a36fbcb179ecfafcfbf0
 2019-01-16 12:05:22 +00:00
dan
4ccb41fc99 Fix a memory leak that could occur in fts3 when handling a corrupt database. 
FossilOrigin-Name: 65cebb06a0afcbcb4157c3d518a62ed188b1e90d9e9b69d88fece484bcb6e380
 2019-01-16 11:38:06 +00:00
dan
dfb5c963a0 Fix a problem with ALTER TABLE and vector assignments in UPDATE statements 
within triggers.

FossilOrigin-Name: cc6cd7531fee39b4c2a9f522f1089c1d79254a9e25acae59468322031f94c25a
 2019-01-15 20:51:35 +00:00
dan
1a39d2bb5c Handle SQL NULL values without crashing in the fts5 snippet() and highlight() 
functions.

FossilOrigin-Name: a5e9cc794f17566160c4b2b5791601a744a21ace987b19ff8a5816fd78dce56a
 2019-01-15 18:14:27 +00:00
dan
a783931794 Fix a buffer overread in fts3 caused by a corrupt record. 
FossilOrigin-Name: e54efd60c20bbfc5d70ddb9e1dd6ffb68cbbcfa57b4f07cb104767ef08c1a559
 2019-01-15 16:14:31 +00:00
dan
2d4e720579 Have fts5 reject attempts to insert a non-integer, non-null value into a rowid 
column with SQLITE_MISMATCH.

FossilOrigin-Name: 4a9483f81e9ca1aa41d6ca33cb3171370418ccc71fdee9741bbf6f694bf4fbaa
 2019-01-15 15:18:58 +00:00
drh
e2dcc42e1f Fix a harmless memory leak in the Lemon parser generator utility program. 
FossilOrigin-Name: 1caff0fb0b2051e205e7a8cfd5dadf92680c52a88a441ded95b1ea6542db5f83
 2019-01-15 14:44:23 +00:00
dan
58ed374370 Fix a problem triggered by DELETE statements with WHERE clauses that use the 
OR-optimization on some virtual tables.

FossilOrigin-Name: ecf5caa7e9825a8b03d15ee525ec68be78c55926ddfaca27a040a7614caf0e85
 2019-01-15 14:31:01 +00:00
dan
9c039d9f2e Add scalar function "prefix_length()" to ext/misc/prefixes.c. 
FossilOrigin-Name: 0bf1550507d9d3c8a41f8a50db3a59bf808f0a4e24637dc0905d35579305eca7
 2019-01-14 20:44:00 +00:00
dan
9274ad898f Fix a problem causing some Tcl test cases to fail with errors like "expected: [<multiline-whitespace>], got: []". 
FossilOrigin-Name: 11b8a4cba747ca214fe3506caa3b711c87be4d55412754e673cc0603afefb086
 2019-01-14 19:13:30 +00:00
drh
4ead96348e Add the "prefixes" table-valued function in the ext/misc folder. 
FossilOrigin-Name: f0fd2163fc23a555ef03af43294a14fcabae6921f52e64c979286c745b4f6218
 2019-01-14 16:16:30 +00:00
dan
f8a488bb6b Fix a problem causing a crash if an fts5vocab table was created to query an 
fts3/4 FTS index.

FossilOrigin-Name: 9cd64ce453e4435d80117b8610c22a0a4b53cd6e84b39815e70e684f6b0295c8
 2019-01-14 15:35:15 +00:00
dan
94ec92a1f7 Fix a problem with querying a corrupt fts3 database. 
FossilOrigin-Name: 65e50706a017751d72d0f9c7f575955194977decd0acf13aaca90c3cb925f20e
 2019-01-14 15:09:00 +00:00