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Commit Graph

7662 Commits

Author SHA1 Message Date
drh
4a7e9a25b6 Set a low limit on the length of strings and blobs in the OSSFuzz module,
in an effort to avoid timeouts when the fuzzer does things like
"randomblob(1e12)".

FossilOrigin-Name: 119d1609fa415894fdd0aa19440ca1c658bd01910838a4cfadbe0e304b033bfd
2019-01-29 02:37:22 +00:00
dan
95d5a88058 Make indexes on CAST(...) expressions work.
FossilOrigin-Name: 3ef711d98fb239cf24472f124e7b36b0dde33355de5a2c9a3a978bbdd042a735
2019-01-28 18:08:59 +00:00
dan
c7def600bd Fix a buffer overread in fts3 that could occur when accessing a corrupt database.
FossilOrigin-Name: a9faf9033910927c74553e66c474d84ed3386f263cef3eec299e25d8306f410d
2019-01-28 16:50:42 +00:00
dan
6c43dbad98 Do not assume that text parameters passed to fts4aux queries do not contain embedded nul characters.
FossilOrigin-Name: df04859a995571cd6faf1abe088725708f35e81195760274df9e2ec9bd47f69f
2019-01-28 13:27:25 +00:00
drh
9e35a61e59 Add a new test case to fuzzdata8.db.
FossilOrigin-Name: ce8e279a7d37594e865c2d9197a5efe5d647e11f074dbaf4a4ee31c74c71dbc9
2019-01-28 11:54:13 +00:00
drh
05d49d1442 New test cases form dbsqlfuzz
FossilOrigin-Name: 9cf8ebd141aa2eb661d457624c76433bd9e4abfdef04aa52e28bc169172c2c8f
2019-01-27 02:45:32 +00:00
drh
e5da9356e0 Update fuzzcheck so that with the --load-dbsql options it screens its
inputs to ensure that they are valid dbsqlfuzz cases.  Add new dbsqlfuzz
finds to the test/fuzzdata8.db database.

FossilOrigin-Name: 004f7d9bbeee049c22a7e1c82c6cc0ea79a237967de3ff57686acea3060d5f45
2019-01-27 01:11:40 +00:00
dan
32bb700a95 Fix a broken assert() in fts3. Also some test script issues causing failures with builds that do not support fts3.
FossilOrigin-Name: d59567dda231e7ffec437d5e055676cf42d791196406cdc696cafa2583eb483b
2019-01-26 21:05:54 +00:00
drh
0814acd981 Do not accidently truncate zeroblob values when doing an arithmetic
operation.  Fix for ticket [bb4bdb9f7f654b0bb9f34cfba].

FossilOrigin-Name: 13f6942eb0da2d92a0830f18640ce64208bd0cd6ff6d0c97e4a4c57ac3d65ba6
2019-01-25 20:09:04 +00:00
drh
ed457037c4 Fix harmless compiler warnings in fuzzcheck
FossilOrigin-Name: a82539665718c8183d9d0bb7bcb3adcb1a23294b8c30f364829a982dab89a332
2019-01-25 17:51:06 +00:00
dan
c2ea77e5b2 Fix a segfault that could follow an OOM when querying a table that has one or more columns with default values "true" or "false".
FossilOrigin-Name: 202f9919c222ee933924c63c15ad36ec4481457b1e4d9179af14c9f284117c0c
2019-01-25 17:26:59 +00:00
dan
c1f6618217 Add an assert_fts3_nc() macro to fts3 - for assert() conditions that are only true when it is guaranteed that the fts3 database is not corrupt.
FossilOrigin-Name: 3498908cd7f3d0e35b70796537124e3da0bd99d48750ba51bcb9eba87e28ed4d
2019-01-25 14:48:18 +00:00
drh
31ab7d8e5c Extend fuzzcheck so that it can process dbsqlfuzz cases. Add a collection
of interesting dbsqlfuzz cases to the standard test suite.

FossilOrigin-Name: e2991a7ecf5dd241c4bab7c7cadc4901043fb0c3ea1fac70b684f6d8332677f1
2019-01-25 14:23:36 +00:00
dan
ba14c69b4f Fix a couple of assert() statments in btree.c that could fail with corrupt databases.
FossilOrigin-Name: 5eb5e8289fa71e5e29e081d33d4a59c64b463bf6b06d7070c05c46d77d808ad4
2019-01-25 13:42:12 +00:00
drh
725a9c7f6c In fuzzcheck, activate vdbe_debug for dbsqlfuzz cases when using the -vvvvv
verbosity level or above.

FossilOrigin-Name: 2e6f7c2aced49824a38b3494b796a8ec73aa7a90b51159f670596df15ed1c5ab
2019-01-25 13:03:38 +00:00
drh
df21659a40 Improved automatic detection of dbsqlfuzz cases in fuzzcheck.
FossilOrigin-Name: 1ef24e89c9630fd383ba32f5aefcf9c27907f27f5072f3537a1cfd75a093a8d7
2019-01-25 04:43:26 +00:00
drh
a47e709e89 Add the ability to process dbsqlfuzz cases in fuzzcheck and add an initial
set of interesting dbsqlfuzz cases.

FossilOrigin-Name: fb9074ff450a67feaa62ca61d19154de26d5c8a8d147409ee6d1fbd667b2914f
2019-01-25 04:00:14 +00:00
dan
813ed78054 Fix a buffer overread in fts3 that could occur in a prefix query on a corrupted database.
FossilOrigin-Name: d0d5689371577b2861d4a9464443d055f3256f3f51d89e0388233a4cbe2601ee
2019-01-24 17:41:12 +00:00
dan
f467744d5f Fix a problem with running ALTER TABLE on a schema that contains expressions of the type "col IN ()" (empty set on RHS of IN operator).
FossilOrigin-Name: 2d9cd06715092c312c8c0ec392696a0e90ed090b074e2082e0b830f1399aa941
2019-01-24 16:27:10 +00:00
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
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
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
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
8e4fe01dda Do not run shmlock.test as part of the journaltest permutation.
FossilOrigin-Name: 5b7d0c784e6467154d9549af0163d788b69d5e5a6478a735834cdea945e7dbb7
2019-01-22 20:18:29 +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
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
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
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
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
451297752c Fix problems causing undefined left-shift operations in the fts3 snippet()
function.

FossilOrigin-Name: b90dbaed3092236e97f9796fa63989a3648060e16189e1267c430f4a7e799fac
2019-01-18 19:26:48 +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
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
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
a783931794 Fix a buffer overread in fts3 caused by a corrupt record.
FossilOrigin-Name: e54efd60c20bbfc5d70ddb9e1dd6ffb68cbbcfa57b4f07cb104767ef08c1a559
2019-01-15 16:14:31 +00:00