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Author SHA1 Message Date
dan 7340b032d1 Clamp the nToken parameter to the fts5 snippet() function between 0 and 64. It has always been documented this way, but not previously implemented. Report [bugs:/info/2026-06-08T08:29:00Z | 2026-06-08T08:29:00Z]. 
FossilOrigin-Name: 4af1d9b3e54a7c42552e61284456bbd7089e525d4aa55e580f7518956d8521bb
 2026-06-08 11:24:05 +00:00
dan 2bc3763ec5 Add extra tests to check that non-deterministic functions may not be used in indexes. 
FossilOrigin-Name: beeef9dc2b1d778ca628c5e3adc097778646933233ea5ea4f03d2cace0199c17
 2026-06-08 10:47:55 +00:00
drh a6812a4242 Improvements to the GCC compiler bug work-around of check-in [7fae321095ebec77]. 
FossilOrigin-Name: 247894f70d8616cb16468025809513a7db70086d24d2a289b50b4e8d9e073eb4
 2026-06-06 18:32:53 +00:00
drh 6bf7825ac5 Minor performance enhancement and improved comments on the quicksort 
algorithm used by the median() implementation in func.c.

FossilOrigin-Name: 2800f6a75bbb6ddc86f2e029a7d36ff08febe03812302fb7931eb68da316f74d
 2026-06-06 17:20:35 +00:00
drh 192b3a539b A new approach to working around the GCC bug. 
FossilOrigin-Name: 2f95186ea568b27d45bd19fca1e03b878afb0b1ea0938875897c7323bdeab8a2
 2026-06-05 00:11:56 +00:00
drh 002d33d8c5 Disable the vector-IN-SELECT optimization if the number of columns is so 
large that it would cause the WhereTerm.nChild column to wrap.
[bugs:/info/2026-06-04T10:00:49Z|Bug 2026-06-04T10:00:49Z].

FossilOrigin-Name: bb49dfc948048779a30deff9a3d1bb39846f6f72c26a2bdcdd0e386251720fe6
 2026-06-04 16:56:11 +00:00
dan ee181f479a Fix a crash that could be caused by configuring the pager-cache with a bulk allocation too small to fit even one page. Bug [bugs:/info/2026-06-04T07:03:12Z | 2026-06-04T07:03:12Z]. 
FossilOrigin-Name: b4b9dc632b06f932759bc2fceeb6fa1dd6e0de329106ae1d34be874ea1695859
 2026-06-04 11:48:18 +00:00
drh 076db92d85 Fix a possible NULL pointer derefence in the (experimental and untested) 
uuid.c extension.
[bugs:/info/2026-06-04T09:50:59Z|Bug 2026-06-04T09:50:59Z].

FossilOrigin-Name: fa6374fe3ae1530f0b5ba10b7e6fb703ffe5dd592c532a965e7d50b7d2d70a5f
 2026-06-04 11:42:23 +00:00
drh 2dacda40a6 Extra testcase() macros to ensure adequate testing of the previous 
check-in.

FossilOrigin-Name: 003013ccabaaa7aea1e78844474ed5032ee9c9824f98c5d36687ac5256a5e128
 2026-06-04 11:39:13 +00:00
dan 62a3734e78 Fix problems with expressions like "(?,?,?) IN (SELECT c,b,a FROM ...)" when there is an index on columns "c", "b" and "a", but not in that order. Bug [bugs:/info/2026-06-04T07:02:53Z | 2026-06-04T07:02:53Z]. 
FossilOrigin-Name: 07667afd0f17b73b58df8ace6a2a5c3a593276f9b7804cb14d4705051258dd75
 2026-06-04 11:19:43 +00:00
drh 95d072cc81 Clearly mark the ext/misc/wholenumber.c extension as "testing and 
debugging use only".  Fix a potential integer overflow that can occur
if the above warning is ignored.
[bugs:/info/2026-06-04T09:40:28Z|Bug 2026-06-04T09:40:28Z].

FossilOrigin-Name: 44154ea9ae99d532d5c7268d70bd8b32751f7a82c367c7bd1ec0e6948d71d1b8
 2026-06-04 11:18:11 +00:00
dan 0120735de1 Update the utf-8 decoder in the ICU extension to treat invalid sequences as codepoint 0xFFFD, matching the core. Report [bugs:/info/2026-06-03T04:04:46Z | 2026-06-03T04:04:46Z]. 
FossilOrigin-Name: 840be0ee62c0ba34f4916c382e2d07071bebd8ce7bca31deb1616869722bfa4d
 2026-06-03 17:21:12 +00:00
dan d80528ad4d Fix a faulty assert() in rtree that could fire when processing an unusually large record. Bug [bugs:/info/2026-06-03T14:44:46Z | 2026-06-03T14:44:46Z]. 
FossilOrigin-Name: e7335dd377a73fc2b913076ee659ed2b0c4a131b16e04b1b55fae677d6b56e8a
 2026-06-03 16:46:15 +00:00
drh c2d29194a8 Use tail recursion on the larger of the two partitions when doing a 
quicksort as part of the implementation of the median() function,
to avoid excess stack usage on pathological inputs.
[bugs:/info/2026-06-03T07:26:42Z|Bug 2026-06-03T07:26:42Z].

FossilOrigin-Name: 7dc987165c030c260ba90a8878291b5ceb037c48c2f437a8fb3f05b6c4f84fde
 2026-06-03 16:21:17 +00:00
dan 61523e22f9 Fix an integer overflow problem in fts3 that could lead to a buffer overwrite on platforms where size_t is 32-bits. Bug [bugs:/info/2026-06-03T04:28:51Z | 2026-06-03T04:28:51Z]. 
FossilOrigin-Name: ef0c66d2a2e0b8f523633efca66a97236bb5a502525eb6a00a28a350ec7c76e6
 2026-06-03 15:29:59 +00:00
dan 51b2c3863b Fix another buffer overread in fts5 that could occur when processing corrupt records. Bug [bugs:/info/2026-06-03T03:54:40Z | 2026-06-03T03:54:40Z]. 
FossilOrigin-Name: b5337c87cc314e6830615e4efe2d4723fa7cedf87ce404f60d6e520aeab77cbc
 2026-06-03 14:58:13 +00:00
dan 6feeafc7de Fix another potential buffer overrun that could occur in fts5 when processing corrupt records. 
FossilOrigin-Name: 6ee44b199512b8cac604bf062f893a9047af4b5bfc881bb7cb69ae42d0a0adb4
 2026-06-03 13:49:33 +00:00
drh a735462db6 Fix a potential UAF bug in the zipfile extension. 
[bugs:/info/2026-06-03T10:58:51Z|Bug 2026-06-03T10:58:51Z].

FossilOrigin-Name: 1fb5e9169ace6bea2bdf9013f39002c1ce5dc9ce51d6007bec22d91f456c15f0
 2026-06-03 13:12:20 +00:00
drh d2240cc988 Fix negative array index in "testing and debugging uses only" extension 
qpvtab.c.
[bugs:/info/2026-06-03T07:26:26Z|Bug 2026-06-03T07:26:26Z].

FossilOrigin-Name: d066699fcacd87496645f3aa3c4049935410ae2451879a033102304c80273deb
 2026-06-03 12:43:50 +00:00
dan 942b7c555a Avoid excessive recursion and stack overflow in fts3 when processing a corrupt 
database.

FossilOrigin-Name: 21369378769195f20f839231f625582552eaa3f79044ca3e3efb7f9476b515a8
 2026-06-03 11:37:45 +00:00
drh 069e5acd63 The prefix_length() function should stop at the first NUL terminator. 
[bugs:/info/2026-06-03T07:42:00Z|Bug 2026-06-03T07:42:00Z].

FossilOrigin-Name: a9b8bdea0683bb03015ea1ee38f75636c80c189eed4b786b6d3d654a831cfdfb
 2026-06-03 11:07:47 +00:00
drh 1c0a370472 Make the (unused, untested, and unsupported) ext/misc/compress.c routines 
responsive to OOM conditions.
[bugs:/info/2026-06-03T08:28:36Z|Bug 2026-06-03T08:28:36Z].

FossilOrigin-Name: e3120e2a4339d51210645b14d075abba27dd97bd6bd6d42f445dd5baf3d337e3
 2026-06-03 10:55:08 +00:00
dan 2acb57c1be Fix a case where sqlite3expert could be tricked into executing arbitrary SQL by a corrupt database schema. 
FossilOrigin-Name: 8a633070e62bdc83a7cf895fd1a22c04b13579659df7cee9584d95096bfffab1
 2026-06-02 15:20:37 +00:00
dan 2a28b15748 Add extra test case to zipfile.test. No code changes. 
FossilOrigin-Name: 83fe72bcdf866bdaf3043ae5b0c1eb45a9d50a01b24b7a531858271dd746baab
 2026-06-02 11:11:02 +00:00
drh b1637e5408 Fix the CLI so that it works when compiled using STDCALL on 
Microsoft x86.  Change should not affect other platforms.
[forum:/info/2026-06-02T09:44:12Z|Forum 2026-06-02T09:44:12Z].

FossilOrigin-Name: 83adece349aed73b8d0a3aec141213ea329150eb529f4fd9774ca157b49d02fc
 2026-06-02 10:08:30 +00:00
drh b48ca02d64 Enhance PRAGMA integrity_check so that it better detects incorrect 
header sizes at the beginning of cells.

FossilOrigin-Name: 08bb2878e7575ab069f8f132537880a47a4d4543a1ac8bffc55e32488223245c
 2026-06-01 20:02:17 +00:00
dan c28f2d22b6 Disable transitive WHERE constraints when there are explicit COLLATE operators. Fix for report [bugs:/info/ffddcd3617 | 2026-05-31T08:33:10Z]. 
FossilOrigin-Name: 18ee3a17c589cfd34500b6a6547d0cb51aea4dd14b4e1e4b2d0cf0dbfb32378e
 2026-06-01 18:01:13 +00:00
dan 48a591fa6b Minor performance improvement for the patch on this branch. 
FossilOrigin-Name: 2702fecc5c47704bdae535459e59260b55c571ff3b7d09617541e36829d4cf9c
 2026-06-01 17:56:11 +00:00
dan 2c351bbf82 Fix minor problems surrounding transitive WHERE constraints and explicit COLLATE terms. 
FossilOrigin-Name: 9500238a1d603a3f08a8fc0954725d5d217aab339720146ea0bc700e47b81c3c
 2026-06-01 17:40:23 +00:00
drh ddea119f82 Make sure the authenticator is called for columns that are part of 
a USING in a FULL JOIN.
[bugs:/info/2026-05-31T02:00:37Z|Bug 2026-05-31T02:00:37Z].

FossilOrigin-Name: 4ef88a36f9d9669b0d74c58f79ad497803885ff6078e5f9685f13c96eab397cc
 2026-06-01 16:49:39 +00:00
dan 03aa9a7b50 For expressions of the form "(x, y...) IN (SELECT a, b ...)" where the result is not true, consider the collation sequences of columns "a" and "b" when determinining if the result should be false or NULL. Bug report [bugs:/info/0785f45e67 | 2026-05-31T02:10:44Z]. 
FossilOrigin-Name: 04d7a9d788cf0bb811483baceb9142f67d4a2380d4af409d5300a92f7972472e
 2026-06-01 16:20:40 +00:00
dan 62d17739bc Better handle a (possibly) potential buffer overrun in fts5. Based on the report in [bugs:/info/38e75aa4f9 | 2026-05-31T09:06:13Z]. 
FossilOrigin-Name: 9d0e39408075f22dd56ad5fb50ef458c0cd6a4ec234dd43b3a5f5e0ac4447b61
 2026-06-01 15:03:53 +00:00
stephan f55434ab30 Remove the data type ANY added to the shell's CSV exports in [aff74e71ea734e1a], as discussed in [forum:2ea4c50f69fc9829|forum post 2026-06-01T12:01:59Z]. 
FossilOrigin-Name: a6a347aec5ff33b24d877ac0f04018f4e93748361da62ed27b1abec77840963e
 2026-06-01 13:14:48 +00:00
drh 0a04687373 Do not allow the argument to a table-valued function to reference a table 
to its right, even if the SELECT is inside a common table expression.
This is a replacement for the fix at [3c0a277e6741c722].  Fix
for multiple dbsqlfuzz reports and probably also a fix
for [bugs:/info/b6c6fad96c|Bug 2026-06-01T07:23:11Z].

FossilOrigin-Name: d96271db6a3a44e50d1a977250c4cc14178612a6c838e7c51c5f79fda45ae19f
 2026-06-01 12:36:28 +00:00
drh c079bd08a2 Test case to show that the change fixes the original carray problem. 
FossilOrigin-Name: 8df6671ae8211b706b7d4f073c5166f0f41f3c11339bc4d28997e8a205a39545
 2026-06-01 12:30:13 +00:00
drh 5cae890219 Improvements to sqlite3SelectCheckOnClauses() to be more accurate in 
identifying table-valued functions that references tables to the right.

FossilOrigin-Name: e5bae3687dbb470ead7e8d6bf428b1fbb1e9f10c214bc2a91e93e68fb2ae6ff7
 2026-06-01 12:19:30 +00:00
drh f3eea1efa4 Back out the recent change to carray. The intent is to fix this problem 
in a different way so that it works for all table-valued functions.

FossilOrigin-Name: 43e02dbb0dbe7192304125cd3298b3f4bbac02395d4d03f7f8d5f96b465eb43e
 2026-06-01 12:07:21 +00:00
dan 3040da55a8 Fix an integer overflow that could lead to a buffer overrun in the zipfile extension. Bug [bugs:/info/2026-06-01T10:16:47Z | 2026-06-01T10:16:47Z]. 
FossilOrigin-Name: a8dac6af353c02aed8eaaba5921e036d3f3a6639367ae70e8c75d759c7b4ab52
 2026-06-01 11:52:23 +00:00
dan 1a760748a6 Update new test in zipfile.test so that it does not run if SQLITE_MAX_LENGTH is too small. 
FossilOrigin-Name: cc86820e198db6ee4e62f455d3dd9877d73873aaccad6ceffd0b34452d35c89c
 2026-06-01 11:50:55 +00:00
dan 5481274912 Fix an integer overflow that could lead to a buffer overrun in the zipfile extension. Bug [bugs:/info/2026-06-01T10:16:47Z | 2026-06-01T10:16:47Z]. 
FossilOrigin-Name: 7c740d2cfd22a89258be2221860ca10985f0fc16dc7a17a99fc282d7105dc38e
 2026-06-01 10:56:11 +00:00
drh 6c218ba0ad Extra defenses against integer overflows in the untested, unused, and 
unsupported transliterate() SQL extension function found in the
ext/misc/spellfix.c extension.
[bugs:/info/2026-06-01T10:34:57Z|Bug 2026-06-01T10:34:57Z].

FossilOrigin-Name: 2b073519b6080abc8872b0728c64827cc088d1b43f132cd2aeb396f06de3d36f
 2026-06-01 10:53:28 +00:00
drh ca8593ce68 Fix the carray virtual table so that it gives no solution if it cannot 
find a usable first parameter.  dbsqlfuzz find.

FossilOrigin-Name: 3c0a277e6741c72281e12c44d85902aa6780890a7f59bacc3ac2b35ba27f7211
 2026-05-31 19:41:16 +00:00
drh af6fdd2673 Test case to cover the bug fix in the previous check-in. 
FossilOrigin-Name: 5b28d49b61d5edc9fef896e685bf227b7e1716c0cc666fd2ebe0d5ea0d11af06
 2026-05-31 17:01:44 +00:00
drh 1cd9eb3811 Fix the zipfile extension so that ZIP archives containing files whose names 
contain embedded \000 bytes do not cause problems.
[bugs:/info/2026-05-31T11:43:05Z|Bug 2026-05-31T11:43:05Z].

FossilOrigin-Name: c12ff342a90c61a0a82c8e63d2d94fecec10dff498da666873ff6aaa15c23dfd
 2026-05-31 15:49:57 +00:00
drh 7437c19a01 Fiddle should default to using NO_COLOR since the JS console does not 
support ANSI X3.64.

FossilOrigin-Name: bde6190fdeb530bfb92524ab5542f3f4b64adf31c31de1e00fe4430a8e00411f
 2026-05-31 09:38:28 +00:00
drh d076d98ec8 Fix the format() SQL function so that it reports TOOBIG and NOMEM errors. 
Fix a possible integer overflow on %#Q formatting.
[bugs:/info/2026-05-31T02:00:07Z|Bug 2026-05-31T02:00:07Z].

FossilOrigin-Name: 3bfe0510aecccf113b9d008c308fca3096e9c45c59b919c0b91bb4703415988f
 2026-05-31 09:18:31 +00:00
drh 72f0bd609c Add a test to ensure an application does not try to create a geopoly 
virtual table with too many columns.
[bugs:/info/2026-05-30T12:47:27Z|Bug 2026-05-30T12:47:27Z].

FossilOrigin-Name: 2c605bfb1562d7a3609ad6ffd7446def12f1ac7084e41b9c6723e998c156501d
 2026-05-30 13:23:25 +00:00
drh 7aad2942c2 Harden the diskused.c extension against NULL pointer deferences that 
might have previously occurred when given a corrupt database file.
[bug:/info/2026-05-30T07:08:55Z|Bug 2026-05-30T07:08:55Z].

FossilOrigin-Name: 7487a1c59d3aaea9f8b2569dca76bbccf21948b1e7bd8a1d841e04382db696f4
 2026-05-30 10:24:03 +00:00
drh 07ded24fbb Remove the untested and undocumented "scrub" utility program. It was written 
in 2016, but made obsolete by the [VACUUM INTO] command in 2019.

FossilOrigin-Name: 27d67fb175e839f6e7450f54166b52e0a6137c075758511da32fd82c57c310c4
 2026-05-30 10:09:33 +00:00
drh 5b98467d28 Be sure to do floating-point to text conversions in JSON to the full 
17-digits.

FossilOrigin-Name: 61a776650cdc3fe632bdb1dc39f50f542b00a9e5b468180eb54b69750d0cd70c
 2026-05-29 23:14:22 +00:00