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Author SHA1 Message Date
dan
b0c4c94996 Fix a potential problem with "INSERT INTO ... SELECT * FROM" (or VACUUM) statements on a corrupted database. 
FossilOrigin-Name: db4b4c2c1e9f1adacfb1b2fedb717a4d8bb0a299c3b11835404a99fcd67bf24b
 2019-01-24 15:16:17 +00:00
drh
936ade4dba Change a integer variable in sqlite3VdbeRecordUnpack() to unsigned in order 
to avoid any possibility of an integer overflow.

FossilOrigin-Name: 1b536f6fd8d58800042f130842f0586aaa357841ee0d1b690a9815c865d50826
 2019-01-24 14:16:20 +00:00
drh
55469bbafb Use memmove() instead of memcpy() in a place where buffers might overlap 
if the database file is badly corrupted, to prevent warnings
from ASAN and valgrind.

FossilOrigin-Name: 65ad6c55f1ba9bc2f75afffa3adaf19f145fad7ac9a00ccce6372e9a2cc4341b
 2019-01-24 13:36:47 +00:00
drh
6a02f237e3 Remove an unreachable branch. 
FossilOrigin-Name: 4c976f171342ba2d39779279c28f3bc088572c440922e3e4421a3bf541263360
 2019-01-24 04:44:54 +00:00
dan
b4738ddb20 Fix an assert() in vdbemem.c that could fire if the database was corrupt. 
FossilOrigin-Name: a70958cd7d5cf750c293537856918e5789013b70f6a827f724d83559b38629c8
 2019-01-23 20:31:56 +00:00
dan
a5f9f42a0e Fix a problem with renaming a table within a schema that contains a composite query that uses a column alias as an ORDER BY term. 
FossilOrigin-Name: 2ca6b8f84ec07e313aa4e1c0894827401b418dcc4221e9c54c384f1c3893952a
 2019-01-23 19:50:46 +00:00
drh
e3dadac591 Stricter enforcement of cell sizes when doing balancing operations on the 
btree, in order to catch file corruption sooner.

FossilOrigin-Name: 12713f320b2c1def273dd8b7833dddaaad5331aba779d4b1ec9aa949814f38fe
 2019-01-23 19:25:59 +00:00
dan
f8f47dd8c5 Fix another fts5 crash that can occur if the database is corrupted. 
FossilOrigin-Name: 44ce8baa47192be03c8f11777904c3c07fa5cc5c97b6d8e81572d380995ac688
 2019-01-23 19:17:05 +00:00
dan
d99950310f Fix problems with sub-selects in WINDOW definitions. Also rename-column operations when the column being renamed appears in a WINDOW definition that is part of a VIEW or TRIGGER. 
FossilOrigin-Name: 0387cb3add992b2028efe4f2100188d8f9fdfdcb233329857aa4b46a293cfc97
 2019-01-23 16:59:24 +00:00
dan
4c7bdd1597 Fix a buffer overwrite triggered by a prefix query on a corrupt fts5 table. 
FossilOrigin-Name: 1d8172a94bce2d067027685e5aa1dc8f5d5d55b5da0832ad2836f6939de68c8f
 2019-01-23 12:19:22 +00:00
dan
ccfa550922 Fix a buffer overrun that could occur in fts5 if a prefix query is made on a corrupt database. 
FossilOrigin-Name: 1abc4415648e69362061e9f9a4f2c1d419ba33801999b377650d8b9a4d2d3a7c
 2019-01-22 21:17:40 +00:00
dan
8e4fe01dda Do not run shmlock.test as part of the journaltest permutation. 
FossilOrigin-Name: 5b7d0c784e6467154d9549af0163d788b69d5e5a6478a735834cdea945e7dbb7
 2019-01-22 20:18:29 +00:00
drh
c5ea2d474d Use _strdup() instead of strdup() on Windows builds of the CLI, to avoid 
a compiler warning reported on the mailing list.

FossilOrigin-Name: a7126a4f4fb4e3e25be95d673323f835252bb2b427469616046a90b2acf64071
 2019-01-22 16:44:59 +00:00
drh
f186f0b058 Fix the SQLITE_DESERIALIZE_READONLY feature so that it does not cause 
an assertion fault in the pager.

FossilOrigin-Name: b9eccef7825c61980678599358b62bc394283124653061ce163ead0c653f481d
 2019-01-22 16:43:47 +00:00
drh
178edcd774 Update dbfuzz2 to set a maximum database size of 100MiB by default, but 
with the new --max-db-size N option to change that limit.

FossilOrigin-Name: 21d6bb78ef2979d011b917d2d6519d7cd0009fcad83ed23ab2e9a5e02d8e51ab
 2019-01-22 16:11:31 +00:00
drh
6ca644818b Enhancements to deserialize: (1) Add the SQLITE_FCNTL_SIZE_LIMIT file control 
to set a maximum size for an in-memory database, defaulting to 
SQLITE_MEMDB_DEFAULT_MAXSIZE or 1GiB.  (2) Honor the SQLITE_DESERIALIZE_READONLY
flag. (3) Enhance the TCL interface to support -maxsize N and -readonly BOOLEAN.
(4) Add the --maxsize option to the ".open" command and on the command-line for
the CLI.

FossilOrigin-Name: 30f08d58882819a69e353bcc1b6b349664bbfbe00aa1c115ba44a9fd899fcc5b
 2019-01-22 16:06:20 +00:00
drh
247c1b4a0b Make sure cursors are opened on all indexes for an UPDATE OR REPLACE 
regardless of whether or not the indexes are partial or contain columns
that might need to be updated.

FossilOrigin-Name: e148cdad35520e6684cfeba23b003f60b55f83a6bf621aff16be8aa5612cdcee
 2019-01-22 13:45:48 +00:00
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