drh fe8153124a Prevent a corrupt database from causing a CPU stack overflow in PRAGMA ...

integrity_check.  Report the excess btree depth instead.
[bugs:/info/2026-08-18T10:33:10Z|Bug 2026-08-18T10:33:10Z].

FossilOrigin-Name: afd9f401c4dd99be3df2bb5681d8e5c73f9268282392185a2b40c91407732788

2026-08-18 13:07:33 +00:00

..

alter.c

Allow "ALTER TABLE ... DROP CONSTRAINT" to drop foreign key constraints.

2026-07-08 17:40:04 +00:00

analyze.c

Further refinements and uses for sqlite3_result_str().

2026-06-19 20:01:47 +00:00

attach.c

Fix a crash that could occur if sqlite3_deserialize() was used to overwrite a database with an open transaction on it. Bug introduced by [fc42d31d6fca21ab] on 2018-03-07 and first released in version 3.23.0. This is not a vulnerability as an attacker that can exploit this already has the ability to execute arbitrary code. Forum post [forum:39134ba029 | 39134ba029].

2026-04-27 11:32:43 +00:00

auth.c

Minor optimization to the authorizer.

2026-05-02 17:30:33 +00:00

backup.c

Add new assert()s to help static analyzers realize that the code is correct.

2026-06-29 15:11:58 +00:00

bitvec.c

Improved selection of the divisor when subdividing nested Bitvec objects.

2025-06-10 19:52:21 +00:00

btmutex.c

Tamp down various harmless compiler warnings. Use "int" in places instead

2025-02-22 16:44:14 +00:00

btree.c

Prevent a corrupt database from causing a CPU stack overflow in PRAGMA

2026-08-18 13:07:33 +00:00

btree.h

Revert the fixes to backup in [1f940357f7] and [e5db80350c] and instead fix the problem reported by forum post [forum:15d82885e2 | 15d82885e2] (that a call to sqlite3_deserialize() after sqlite3_backup_init() but before the first call to sqlite3_backup_step() on the destination db of a backup could cause a crash) by deferring caching the pointer to the destination Btree until after it is locked. This addresses bug [bugs:/info/2026-06-24T08:41:13Z | 2026-06-24T08:41:13Z].

2026-06-24 11:50:08 +00:00

btreeInt.h

Prevent a corrupt database from causing a CPU stack overflow in PRAGMA

2026-08-18 13:07:33 +00:00

build.c

Add the ability for Bloom filters to work on text values, as long as

2026-07-23 16:00:10 +00:00

callback.c

A better fix for the issue with RETURNING triggers on eponymous virtual tables and SQLITE_SCHEMA errors first addressed by [45d820ca22].

2025-11-13 20:37:09 +00:00

carray.c

Enhance the CARRAY interface so that it raises an SQLITE_TOOBIG error

2026-08-12 00:51:14 +00:00

complete.c

Fix harmless UB in sqlite3_incomplete().

2026-04-11 20:41:54 +00:00

date.c

Minor change to the "weekday N" modifier in the date/time functions

2026-07-11 16:14:16 +00:00

dbpage.c

Fix a compiler warning that comes up in gcc 4.0.1 for target powerpc-apple-darwin9

2026-08-05 15:30:43 +00:00

dbstat.c

Add the SQLITE_INDEX_SCAN_HEX bit to the sqlite3_index_info.idxFlags bitmask.

2024-08-22 16:22:08 +00:00

delete.c

Enable the optimization on this branch for indexes on expressions only.

2026-04-22 17:50:50 +00:00

expr.c

Change the variable name for the variable-number bitmap cache. Make the size

2026-08-16 19:50:46 +00:00

fault.c

…

fkey.c

Fix a harmless compiler warning.

2026-03-17 10:19:11 +00:00

func.c

Updates to build instructions, especially on Windows. Fix a harmless

2026-08-01 15:08:48 +00:00

global.c

Put the sqlite3OomStr singleton in "const" space to ensure that it is

2026-06-19 22:17:09 +00:00

hash.c

A better fix for the issue with RETURNING triggers on eponymous virtual tables and SQLITE_SCHEMA errors first addressed by [45d820ca22].

2025-11-13 20:37:09 +00:00

hash.h

A better fix for the issue with RETURNING triggers on eponymous virtual tables and SQLITE_SCHEMA errors first addressed by [45d820ca22].

2025-11-13 20:37:09 +00:00

hwtime.h

Fix builds on i486 CPUs. [forum:/info/2025-01-25T12:58:44Z|Forum 2025-01-25T12:58:44Z].

2026-06-08 18:15:27 +00:00

in-operator.md

…

insert.c

After a DELETE trigger is fired by REPLACE conflict handling, retest all UNIQUE constraints to ensure that the row being inserted or updated does not conflict with one written by the DELETE trigger. Abort the statement if it does. Possible fix for forum post [forum:/info/2026-07-18T03:35:48Z | 2026-07-18T03:35:48Z].

2026-07-18 19:31:56 +00:00

json.c

Improve performance and robustness of internal routine jsonBlobExpand().

2026-07-20 21:03:27 +00:00

legacy.c

…

loadext.c

Prototype implementation for a new sqlite3_result_str() API.

2026-06-19 17:03:21 +00:00

main.c

Add SQLITE_LIMIT_TRIGGER_STEPS and -DSQLITE_MAX_TRIGGER_STEPS=n. Default maximum

2026-08-18 09:17:48 +00:00

malloc.c

Guard against oversized index entries in databases larger than 2GiB.

2026-01-14 13:43:32 +00:00

mem0.c

…

mem1.c

…

mem2.c

…

mem3.c

…

mem5.c

…

memdb.c

Have API functions sqlite3_serialize(), sqlite3_limit(), sqlite3_busy_timeout() and sqlite3_error_offset() take the database mutex.

2026-06-25 15:47:42 +00:00

memjournal.c

…

msvc.h

…

mutex_noop.c

…

mutex_unix.c

Check-in [1786fcd5b4ee6cd9] works great and generates correct code, but it

2026-05-01 16:03:51 +00:00

mutex_w32.c

Check-in [1786fcd5b4ee6cd9] works great and generates correct code, but it

2026-05-01 16:03:51 +00:00

mutex.c

Ensure xMutexInit() is called in SQLITE_THREAD_MISUSE_WARNINGS builds.

2026-03-05 16:23:04 +00:00

mutex.h

…

notify.c

…

os_common.h

…

os_kv.c

Fix a comment in os_kv.c so that it does not match "###" and thus does

2026-06-24 13:46:37 +00:00

os_setup.h

Fix -DSQLITE_OS_OTHER=0 builds.

2025-10-02 14:48:27 +00:00

os_unix.c

Improvements to the unix temporary filename generator so that it continues

2026-07-22 11:24:48 +00:00

os_win.c

Fix a typo in a comment. No code changes.

2026-06-23 15:35:29 +00:00

os_win.h

Reduce the number of system calls in the os_win.c thunk from 81 down

2026-04-29 16:09:47 +00:00

os.c

Safer conversion from double to 64-bit integer in two places.

2026-06-17 16:57:19 +00:00

os.h

…

pager.c

Ensure that databases opened with immutable=1 specified are opened read-only at the OS level. Report [bugs:/info/2026-08-11T17:21:54Z | 2026-08-11T17:21:54Z]

2026-08-11 18:22:01 +00:00

pager.h

Changes for better alignment with the wal2 branch.

2024-12-16 13:25:49 +00:00

parse.y

An alternative fix to ALTER TABLE ADD CONSTRAINT.

2026-05-11 12:38:18 +00:00

pcache1.c

Avoid integer divides in the remaining pcache1 hash-bucket computations, extending check-in [750c37d4044c0957] from the lookup fast path to the other eight sites. Small size reduction.

2026-08-11 21:48:14 +00:00

pcache.c

Add extra assert() statements to the fixes on this branch.

2024-07-17 16:27:36 +00:00

pcache.h

Fix the include guard on pcache.h, as requested by Report

2026-08-18 00:36:18 +00:00

pragma.c

Remove unused variable from pragma.c.

2026-08-08 20:29:57 +00:00

prepare.c

New compile-time option SQLITE_MAX_SCHEMA and runtime limit option

2026-07-10 15:06:05 +00:00

printf.c

Add new assert()s to help static analyzers realize that the code is correct.

2026-06-29 15:11:58 +00:00

random.c

…

resolve.c

Fix a bug in the check-in [bbd69ce274620008] causing that bug-fix

2026-07-24 14:53:59 +00:00

rowset.c

…

select.c

Do not use the propagate-constant optimization on a constant that is

2026-08-12 13:23:52 +00:00

shell.c.in

Add SQLITE_LIMIT_TRIGGER_STEPS and -DSQLITE_MAX_TRIGGER_STEPS=n. Default maximum

2026-08-18 09:17:48 +00:00

sqlite3.rc

Remove unnecessary "www." prefixes on domain names in URLs.

2025-04-10 10:18:07 +00:00

sqlite3ext.h

Prototype implementation for a new sqlite3_result_str() API.

2026-06-19 17:03:21 +00:00

sqlite.h.in

Add SQLITE_LIMIT_TRIGGER_STEPS and -DSQLITE_MAX_TRIGGER_STEPS=n. Default maximum

2026-08-18 09:17:48 +00:00

sqliteInt.h

Add SQLITE_LIMIT_TRIGGER_STEPS and -DSQLITE_MAX_TRIGGER_STEPS=n. Default maximum

2026-08-18 09:17:48 +00:00

sqliteLimit.h

Add SQLITE_LIMIT_TRIGGER_STEPS and -DSQLITE_MAX_TRIGGER_STEPS=n. Default maximum

2026-08-18 09:17:48 +00:00

status.c

Reestablish APIARMOR for the sqlite3_db_status() interface.

2025-10-14 19:21:46 +00:00

table.c

…

tclsqlite.c

Fix typos. Turn off -fpfmt and -ifmt using "auto" instead of "default".

2026-08-15 12:22:31 +00:00

tclsqlite.h

Add config as an alias for the reconfigure makefile target. Minor makefile doc tweaks. Random typo fixes in shell.c.in and tclsqlite.h pointed out by the misspell makefile target. No code changes.

2025-08-21 17:59:28 +00:00

test1.c

Add SQLITE_LIMIT_TRIGGER_STEPS and -DSQLITE_MAX_TRIGGER_STEPS=n. Default maximum

2026-08-18 09:17:48 +00:00

test2.c

Change the way pointers are passed between C code and Tcl test scripts. This allows tests to be run with Fil-C builds.

2026-07-23 20:04:20 +00:00

test3.c

Create a new varint decoder that does not need to return the size of the

2026-08-12 19:42:02 +00:00

test4.c

Test app/script patches from Jan Nijtmans for cygwin. Add/replace many more sentinel arguments for TCL variadic functions which specifically need a NULL trailing argument. With this, 'make test' on cygwin runs to completion for me, with 134 of 329227 tests failing. MSC build fails the same 13 tests which fail for me in trunk.

2025-03-08 06:53:06 +00:00

test5.c

Test app/script patches from Jan Nijtmans for cygwin. Add/replace many more sentinel arguments for TCL variadic functions which specifically need a NULL trailing argument. With this, 'make test' on cygwin runs to completion for me, with 134 of 329227 tests failing. MSC build fails the same 13 tests which fail for me in trunk.

2025-03-08 06:53:06 +00:00

test6.c

Test app/script patches from Jan Nijtmans for cygwin. Add/replace many more sentinel arguments for TCL variadic functions which specifically need a NULL trailing argument. With this, 'make test' on cygwin runs to completion for me, with 134 of 329227 tests failing. MSC build fails the same 13 tests which fail for me in trunk.

2025-03-08 06:53:06 +00:00

test8.c

First attempt at getting the build to work with Tcl 9.0.

2024-07-30 15:49:02 +00:00

test9.c

Cygwin-centric fixes from Jan Nijtmans.

2025-03-06 13:38:07 +00:00

test_autoext.c

First attempt at getting the build to work with Tcl 9.0.

2024-07-30 15:49:02 +00:00

test_backup.c

Cygwin-centric fixes from Jan Nijtmans.

2025-03-06 13:38:07 +00:00

test_bestindex.c

Fix a harmless compiler warning in testing code.

2025-11-14 11:02:49 +00:00

test_blob.c

Change the way pointers are passed between C code and Tcl test scripts. This allows tests to be run with Fil-C builds.

2026-07-23 20:04:20 +00:00

test_btree.c

First attempt at getting the build to work with Tcl 9.0.

2024-07-30 15:49:02 +00:00

test_config.c

Add SQLITE_LIMIT_TRIGGER_STEPS and -DSQLITE_MAX_TRIGGER_STEPS=n. Default maximum

2026-08-18 09:17:48 +00:00

test_delete.c

Merge trunk. Some additional test-fixes for Cygwin

2025-03-27 14:13:12 +00:00

test_demovfs.c

First attempt at getting the build to work with Tcl 9.0.

2024-07-30 15:49:02 +00:00

test_devsym.c

…

test_fs.c

Remove the clunky test_windirent.h and test_windirent.c files from src/

2025-06-05 20:12:41 +00:00

test_func.c

Block deep recursion in test extension functions test_eval() and eval().

2026-07-29 13:00:37 +00:00

test_hexio.c

Test app/script patches from Jan Nijtmans for cygwin. Add/replace many more sentinel arguments for TCL variadic functions which specifically need a NULL trailing argument. With this, 'make test' on cygwin runs to completion for me, with 134 of 329227 tests failing. MSC build fails the same 13 tests which fail for me in trunk.

2025-03-08 06:53:06 +00:00

test_init.c

Test app/script patches from Jan Nijtmans for cygwin. Add/replace many more sentinel arguments for TCL variadic functions which specifically need a NULL trailing argument. With this, 'make test' on cygwin runs to completion for me, with 134 of 329227 tests failing. MSC build fails the same 13 tests which fail for me in trunk.

2025-03-08 06:53:06 +00:00

test_intarray.c

GCC 13 has become more quite pedantic about the signature of functions matching the

2025-01-13 11:28:34 +00:00

test_intarray.h

…

test_journal.c

…

test_loadext.c

…

test_malloc.c

Change the way pointers are passed between C code and Tcl test scripts. This allows tests to be run with Fil-C builds.

2026-07-23 20:04:20 +00:00

test_md5.c

First attempt at getting the build to work with Tcl 9.0.

2024-07-30 15:49:02 +00:00

test_multiplex.c

Cygwin-centric fixes from Jan Nijtmans.

2025-03-06 13:38:07 +00:00

test_multiplex.h

…

test_mutex.c

Change the way pointers are passed between C code and Tcl test scripts. This allows tests to be run with Fil-C builds.

2026-07-23 20:04:20 +00:00

test_onefile.c

…

test_osinst.c

Cygwin-centric fixes from Jan Nijtmans.

2025-03-06 13:38:07 +00:00

test_pcache.c

Fixes for platforms with 32-bit pointers that require 64-bit values to be aligned.

2024-07-13 16:53:56 +00:00

test_quota.c

Change the way pointers are passed between C code and Tcl test scripts. This allows tests to be run with Fil-C builds.

2026-07-23 20:04:20 +00:00

test_quota.h

…

test_rtree.c

First attempt at getting the build to work with Tcl 9.0.

2024-07-30 15:49:02 +00:00

test_schema.c

First attempt at getting the build to work with Tcl 9.0.

2024-07-30 15:49:02 +00:00

test_sqllog.c

Cygwin-centric fixes from Jan Nijtmans.

2025-03-06 13:38:07 +00:00

test_superlock.c

Cygwin-centric fixes from Jan Nijtmans.

2025-03-06 13:38:07 +00:00

test_syscall.c

The MREMAP_FIXED macro (added by [4d60798b20a560be]) is not available

2026-07-27 11:19:44 +00:00

test_tclsh.c

Omit the antiquated and long-unsupport async extension since it has been

2024-10-28 15:38:53 +00:00

test_tclvar.c

Fix a few minor TCL9 compatibilities issues.

2024-08-09 22:48:11 +00:00

test_thread.c

Cygwin-centric fixes from Jan Nijtmans.

2025-03-06 13:38:07 +00:00

test_vdbecov.c

First attempt at getting the build to work with Tcl 9.0.

2024-07-30 15:49:02 +00:00

test_vfs.c

Test app/script patches from Jan Nijtmans for cygwin. Add/replace many more sentinel arguments for TCL variadic functions which specifically need a NULL trailing argument. With this, 'make test' on cygwin runs to completion for me, with 134 of 329227 tests failing. MSC build fails the same 13 tests which fail for me in trunk.

2025-03-08 06:53:06 +00:00

test_window.c

First attempt at getting the build to work with Tcl 9.0.

2024-07-30 15:49:02 +00:00

test_wsd.c

…

threads.c

Fix harmless compiler warnings on Windows.

2026-03-07 17:50:32 +00:00

tokenize.c

Turn an sqlite3VMPrintf() into an sqlite3DbStrDup().

2026-03-28 13:30:47 +00:00

treeview.c

Improved output from calls to sqlite3ShowSrcList() made from a symbolic debugger.

2026-02-07 13:41:05 +00:00

trigger.c

Add SQLITE_LIMIT_TRIGGER_STEPS and -DSQLITE_MAX_TRIGGER_STEPS=n. Default maximum

2026-08-18 09:17:48 +00:00

update.c

Use the sqlite3ColumnIndex() routine to look up a column in a table, rather

2025-02-08 14:15:42 +00:00

upsert.c

Fix a problem sometimes causing an UPSERT to incorrectly convert an excluded.* column from type REAL to INT in cases where doing so does not cause data loss. Bug [bugs:/info/2026-06-15T09:08:12Z | 2026-06-15T09:08:12Z].

2026-06-15 15:38:16 +00:00

utf.c

Fix a harmless comment typo

2025-05-19 12:34:11 +00:00

util.c

Simplify the implementation of sqlite3GetVarint().

2026-08-12 20:04:07 +00:00

vacuum.c

Revert the fixes to backup in [1f940357f7] and [e5db80350c] and instead fix the problem reported by forum post [forum:15d82885e2 | 15d82885e2] (that a call to sqlite3_deserialize() after sqlite3_backup_init() but before the first call to sqlite3_backup_step() on the destination db of a backup could cause a crash) by deferring caching the pointer to the destination Btree until after it is locked. This addresses bug [bugs:/info/2026-06-24T08:41:13Z | 2026-06-24T08:41:13Z].

2026-06-24 11:50:08 +00:00

vdbe.c

The OP_Affinity opcode with argument E should not try to preserve IntReal

2026-08-13 16:10:04 +00:00

vdbe.h

Fix compiler warning an inefficiency introduced by previous commit.

2026-03-17 11:22:51 +00:00

vdbeapi.c

Improvements to the implementation of sqlite3_result_str() so that it

2026-07-11 19:49:54 +00:00

vdbeaux.c

Add an assert() to demonstrate that an arithmetic right-shift is being

2026-08-10 19:38:44 +00:00

vdbeblob.c

Avoid invoking the preupdate hook from within sqlite3_blob_write() if the cursor is already invalid.

2025-07-07 11:37:55 +00:00

vdbeInt.h

Replace the EIGHT_BYTE_U64 macro with the in-line function sqlite3Get8byte()

2026-08-10 12:29:43 +00:00

vdbemem.c

A new approach to working around the GCC bug.

2026-06-05 00:11:56 +00:00

vdbesort.c

Replace the EIGHT_BYTE_U64 macro with the in-line function sqlite3Get8byte()

2026-08-10 12:29:43 +00:00

vdbetrace.c

Enhance the tokenizer so that it is able to deal with individual tokens

2025-10-24 13:18:31 +00:00

vdbevtab.c

Avoid 32-bit overflow when calculating ncycle for ".scanstats vm".

2024-04-30 19:34:15 +00:00

vtab.c

Mark shadow tables when registering a new virtual table that already exists

2026-06-28 19:05:29 +00:00

vxworks.h

Add the ability to compile with -DOS_VXWORKS=1 on Linux systems, in an

2025-09-08 17:52:17 +00:00

wal.c

When reading a frame from a WAL file where the WAL pagesize and the database

2026-08-16 10:49:39 +00:00

wal.h

…

walker.c

Refactor the SrcItem object so that information about subqueries is stored

2024-08-19 22:48:30 +00:00

where.c

Add the ability for Bloom filters to work on text values, as long as

2026-07-23 16:00:10 +00:00

wherecode.c

Limit the number of nested RIGHT JOINs (or FULL JOINs) that can occur

2026-08-18 10:12:46 +00:00

whereexpr.c

When processing a vector IN(...) term in a WHERE clause, do not add individual terms for each column if the RHS of the IN(...) is a query that is expected to do the special min-max aggregate behaviour. Possible fix for [bugs:/info/2026-08-03T09:05:06Z | 2026-08-03T09:05:06Z].

2026-08-03 14:10:21 +00:00

whereInt.h

Add the ability for Bloom filters to work on text values, as long as

2026-07-23 16:00:10 +00:00

window.c

Safer conversion from double to 64-bit integer in two places.

2026-06-17 16:57:19 +00:00