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Author SHA1 Message Date
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
drh
4067ce7d54 When parsing a corrupt record using sqlite3VdbeRecordUnpack(), make sure 
that the resulting UnpackedRecord object is completely initialized, to avoid
(harmless) MSAN warnings.

FossilOrigin-Name: ddc3697efd61830fad55c6bf7f9115f4a7f53e08838eba5a82e1406c7a721665
 2019-01-14 13:32:15 +00:00
dan
68c1f9ce9a Have fts3 ignore empty sets of parenthesis if built with 
SQLITE_ENABLE_FTS3_PARENTHESIS.

FossilOrigin-Name: c93c6b45a317c40eb5c0abb6620d21f5821a601632c791e11e5ce62e039eccda
 2019-01-14 11:56:13 +00:00
drh
d12db3dabb Avoid reading off the front of a page buffer when balancing a corrupt 
btree page.

FossilOrigin-Name: cb50509020d952fa9efed8df7fa08b07b71ae9bdbdefea216b6e660863291039
 2019-01-14 05:48:10 +00:00
drh
b10a50e7f8 In dbfuzz2, avoid using a malloc in the LLVMFuzzerInitialize() initializer 
routine, so that no memory leaks are reported.  Also, show the version of
SQLite being used when the -v option is on.

FossilOrigin-Name: 824f93246988ffa213bbd41a7de08886999b1a8ae00fdf6b9767acb6e3ec6a1f
 2019-01-13 20:23:34 +00:00
drh
f202c6cdcf Relax the minimum size database file constraint on the dbtotxt utility program. 
FossilOrigin-Name: 97e723d746eeb2159f5bf1701532271ac6a4620879c82d496f4499c178b64479
 2019-01-13 20:17:52 +00:00
drh
0f1bf4c1ac Improved detection of database corruption while balancing pages from an 
auto_vacuum database with overflow pages.  Test cases in TH3.

FossilOrigin-Name: 35f04235c477501390acea126d07a730d81d03cdf7abcd82d861e397b3f75b0f
 2019-01-13 20:17:21 +00:00
drh
a1bd5c6aae Move a local variable declaration into the outermost scope in which it 
is used. This fixes an ASAN warning.

FossilOrigin-Name: ac3b6021d9437ab1c027850d321f0a3e575b008763d8d515e2347f7d4e7c294b
 2019-01-13 00:58:57 +00:00
drh
a79bcf358b Prevent unsigned 32-bit integer overflow from leading to a buffer overread 
inside of an assert().  The problem fixed here is no reachable in production
code.

FossilOrigin-Name: 0f850a25d67a752fe1e9059c0c3f78e00c222113e556a7605fd3c50817b573cb
 2019-01-12 21:30:26 +00:00
dan
951d165125 Fix another problem with handling corrupt records in fts5_decode(). 
FossilOrigin-Name: 726e398b9ddc15ea1b67c40e2a12ddf5d04428a866699588c5fa1af75af846e1
 2019-01-12 20:55:36 +00:00
drh
6214d93993 Fix an off-by-one error on a Goto in the code generator, that only 
causes problems for a REPLACE on an INTEGER PRIMARY KEY in non-debug
builds.  Test case in TH3.

FossilOrigin-Name: e35eb8776ed539afe1d5db099470ab1124d8dd2db73ee5db7c811f8df9a9576e
 2019-01-12 16:19:23 +00:00
dan
b4439eef10 Fix a problem with corrupt database handling in the fts3 matchinfo() function. 
FossilOrigin-Name: 703646b1b5c84d550fe0d74e399c0eeb729da1d263e4693320f69e6509678985
 2019-01-12 14:58:35 +00:00
drh
5d4589014a Improved detection of shadow table corruption in the fts5_decode() SQL function. 
FossilOrigin-Name: b74e5f3f3057ee7a98ebcb14ca0751048eacbec8fca3e11e241883029a57ecdf
 2019-01-12 00:45:20 +00:00
drh
3e534eac19 Improved shadow table corruption detection in the matchinfo() function of FTS3. 
FossilOrigin-Name: 567be3bb1e8b6477f3bf1c7b4cd6ec066fba69d0dcf8785632e244ce25db639f
 2019-01-12 00:12:33 +00:00
drh
a2dc7494ef Indicate that the database may be corrupt in the fts3corrupt4.test test script. 
FossilOrigin-Name: 473626d5579dd19023abccaf7c1822ac0c883a0b98904837ea096fa16e4f41c4
 2019-01-12 00:07:48 +00:00
drh
73bce66701 Use 64-bit APIs in the fileio.c extension. 
FossilOrigin-Name: b49d56a0faf012978c50fb8662125ea21bdf5054fddf5975644cbc941c153e70
 2019-01-11 23:08:56 +00:00
dan
90294961da Fix a segfault in fts3 prompted by a corrupted database. 
FossilOrigin-Name: 2d7b1d1d41ff69d5465fcb861420816ecb066c25a9015eefdab5fae15a2e1c9f
 2019-01-11 21:34:25 +00:00
dan
0ad63e5e0c Fix another problem with corrupt databases in fts5. 
FossilOrigin-Name: 9bf811ea89a133d481a86407683a7518e909eccb7aa3aa02f7932bdb33387572
 2019-01-11 19:27:55 +00:00
dan
e6370e9c29 Fix a problem handling a negative value in the "number-of-pages" database 
header field. Also a problem with running "REINDEX tbl" against a virtual
table for which the SQL passed to sqlite3_declare_vtab() contains PRIMARY KEY
or UNIQUE constraints.

FossilOrigin-Name: 556dd8922f65af93084ee725c638b8dc696b611dd508c212a3b507d6ca474031
 2019-01-11 17:41:23 +00:00
drh
1735f91df4 Improved detection and reporting of errors in the readfile() extension SQL 
function.

FossilOrigin-Name: d2f0b5a483869d39f5c5814c9d6df3d3b8a46d582b4dcf0cf11e23b707c4213e
 2019-01-11 17:20:25 +00:00
drh
2bd207ff6d Omit errors about missing SAVEPOINTs when aborting the .archive command 
in the CLI.

FossilOrigin-Name: 2a47387ba6aa3c294607b7641aa1c4cf70a7b27a861e1098c2f79a38e5b7036a
 2019-01-11 17:19:59 +00:00
drh
2a58dbde30 Improved detection of cell corruption in sqlite3VdbeRecordCompareWithSkip(). 
FossilOrigin-Name: fa47f4c6589c431cf678560ac33dea6b695052012bea2096b2c92869ed51c688
 2019-01-11 16:44:16 +00:00
drh
f10ce63651 Fix PRAGMA integrity_check so that it does not cancel the PRAGMA vdbe_debug 
setting.

FossilOrigin-Name: aaa3a19f8cf5ba7003634e4610abc7832354af91d7c7f65469218678f66bcd46
 2019-01-11 14:46:44 +00:00
drh
1972c8cf07 Add the --vdbe-debug command-line option to dbfuzz2. 
FossilOrigin-Name: 599b4df43c64ce295517c804b6bb4c3ab77d77e0ba585dc0657274f55489a3b1
 2019-01-11 14:38:47 +00:00
drh
26391eeefe Add the "dbfuzz2" target to main.mk. Remove an unused local variable 
from dbfuzz2.c.

FossilOrigin-Name: 05c7609cfd02f49114876267d7090f4e0ea2467f3aa7c65019c5986ec8f60a87
 2019-01-11 14:22:33 +00:00
drh
51d35b0fa9 The keywords TRUE and FALSE should only act as boolean literal values if 
unquoted.

FossilOrigin-Name: 5547f39de993c708f72301ef25df190a2f007e0c4253799bdd9e86bb1ae41777
 2019-01-11 13:32:23 +00:00
drh
e65b9c6a5e Separate makefile targets for "dbfuzz2", "dbfuzz2-asan", and "dbfuzz2-msan". 
FossilOrigin-Name: ea119641a7edcd0e1ec14371d93e35f860971888bd98cb0019253358a2ef123b
 2019-01-11 13:03:06 +00:00