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-rw-r--r--ext/fts5/fts5_index.c22
-rw-r--r--ext/fts5/test/fts5corrupt5.test85
-rw-r--r--ext/fts5/test/fts5secure8.test51
3 files changed, 150 insertions, 8 deletions
diff --git a/ext/fts5/fts5_index.c b/ext/fts5/fts5_index.c
index ba3ce6536..c467addb8 100644
--- a/ext/fts5/fts5_index.c
+++ b/ext/fts5/fts5_index.c
@@ -5137,18 +5137,24 @@ static void fts5DoSecureDelete(
iOff = iStart;
- /* Set variable bLastInDoclist to true if this entry happens to be
- ** the last rowid in the doclist for its term. */
+ /* If the position-list for the entry being removed flows over past
+ ** the end of this page, delete the portion of the position-list on the
+ ** next page and beyond.
+ **
+ ** Set variable bLastInDoclist to true if this entry happens
+ ** to be the last rowid in the doclist for its term. */
+ if( iNextOff>=iPgIdx ){
+ int pgno = pSeg->iLeafPgno+1;
+ fts5SecureDeleteOverflow(p, pSeg->pSeg, pgno, &bLastInDoclist);
+ iNextOff = iPgIdx;
+ }
+
if( pSeg->bDel==0 ){
- if( iNextOff>=iPgIdx ){
- int pgno = pSeg->iLeafPgno+1;
- fts5SecureDeleteOverflow(p, pSeg->pSeg, pgno, &bLastInDoclist);
- iNextOff = iPgIdx;
- }else{
+ if( iNextOff!=iPgIdx ){
/* Loop through the page-footer. If iNextOff (offset of the
** entry following the one we are removing) is equal to the
** offset of a key on this page, then the entry is the last
- ** in its doclist. */
+ ** in its doclist. */
int iKeyOff = 0;
for(iIdx=0; iIdx<nIdx; /* no-op */){
u32 iVal = 0;
diff --git a/ext/fts5/test/fts5corrupt5.test b/ext/fts5/test/fts5corrupt5.test
index efbe2e13e..60910dce7 100644
--- a/ext/fts5/test/fts5corrupt5.test
+++ b/ext/fts5/test/fts5corrupt5.test
@@ -880,6 +880,91 @@ do_catchsql_test 5.4 {
UPDATE t1 SET content=randomblob(500);
} {1 {database disk image is malformed}}
+#-------------------------------------------------------------------------
+reset_db
+do_test 6.0 {
+ sqlite3 db {}
+ db deserialize [decode_hexdb {
+.open --hexdb
+| size 32768 pagesize 4096 filename crash-42fa37b694d45a.db
+| page 1 offset 0
+| 0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00 SQLite format 3.
+| 16: 10 00 01 01 00 40 20 20 00 00 00 00 00 00 00 07 .....@ ........
+| 96: 00 00 00 00 0d 00 00 00 07 0d d2 00 0f c4 0f 6d ...............m
+| 112: 0f 02 0e ab 0e 4e 0d f6 0d d2 00 00 00 00 00 00 .....N..........
+| 3536: 00 00 22 07 06 17 11 11 01 31 74 61 62 6c 65 74 .........1tablet
+| 3552: 32 74 32 07 43 52 45 41 54 45 20 54 41 42 4c 45 2t2.CREATE TABLE
+| 3568: 20 74 32 28 78 29 56 06 06 17 1f 1f 01 7d 74 61 t2(x)V.......ta
+| 3584: 62 6c 65 74 31 5f 63 6f 6e 66 69 67 74 31 5f 63 blet1_configt1_c
+| 3600: 6f 6e 66 69 67 06 43 52 45 41 54 45 20 54 41 42 onfig.CREATE TAB
+| 3616: 4c 45 20 27 74 31 5f 63 6f 6e 66 69 67 27 28 6b LE 't1_config'(k
+| 3632: 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 76 29 PRIMARY KEY, v)
+| 3648: 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 5b 05 WITHOUT ROWID[.
+| 3664: 07 17 21 21 01 81 01 74 61 62 6c 65 74 31 5f 64 ..!!...tablet1_d
+| 3680: 6f 63 73 69 7a 65 74 31 5f 64 6f 63 73 69 7a 65 ocsizet1_docsize
+| 3696: 05 43 52 45 41 54 45 20 54 41 42 4c 45 20 27 74 .CREATE TABLE 't
+| 3712: 31 5f 64 6f 63 73 69 7a 65 27 28 69 64 20 49 4e 1_docsize'(id IN
+| 3728: 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b 45 TEGER PRIMARY KE
+| 3744: 59 2c 20 73 7a 20 42 4c 4f 42 29 55 04 06 17 21 Y, sz BLOB)U...!
+| 3760: 21 01 77 74 61 62 6c 65 74 31 5f 63 6f 6e 74 65 !.wtablet1_conte
+| 3776: 6e 74 74 31 5f 63 6f 6e 74 65 6e 74 04 43 52 45 ntt1_content.CRE
+| 3792: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 63 6f ATE TABLE 't1_co
+| 3808: 6e 74 65 6e 74 27 28 69 64 20 49 4e 54 45 47 45 ntent'(id INTEGE
+| 3824: 52 20 50 52 49 4d 41 52 49 20 4b 45 59 2c 20 63 R PRIMARI KEY, c
+| 3840: 30 29 69 03 07 17 19 19 01 81 2d 74 61 62 6c 65 0)i.......-table
+| 3856: 74 31 5f 69 64 78 74 31 5f 69 64 78 03 43 52 45 t1_idxt1_idx.CRE
+| 3872: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 69 64 ATE TABLE 't1_id
+| 3888: 78 27 28 73 65 67 69 64 2c 20 74 65 72 6d 2c 20 x'(segid, term,
+| 3904: 70 67 6e 6f 2c 20 50 52 49 4d 41 52 59 20 4b 45 pgno, PRIMARY KE
+| 3920: 59 28 73 65 67 69 64 2c 20 74 65 72 6d 29 29 20 Y(segid, term))
+| 3936: 57 49 54 48 4f 55 54 20 52 4f 57 49 44 55 02 07 WITHOUT ROWIDU..
+| 3952: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 64 61 ......tablet1_da
+| 3968: 74 61 74 31 5f 64 61 74 61 02 43 52 45 41 54 45 tat1_data.CREATE
+| 3984: 20 54 41 42 4c 45 20 27 74 31 5f 64 61 74 61 27 TABLE 't1_data'
+| 4000: 28 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d (id INTEGER PRIM
+| 4016: 41 52 b9 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42 AR. KEY, block B
+| 4032: 4c 4f 42 29 3a 01 06 17 11 11 08 63 74 61 62 6c LOB):......ctabl
+| 4048: 65 74 31 74 31 43 52 45 41 54 45 20 56 49 52 54 et1t1CREATE VIRT
+| 4064: 55 41 4c 20 54 41 42 4c 45 20 74 31 20 55 53 49 UAL TABLE t1 USI
+| 4080: 4e 47 20 66 74 73 35 28 63 6f 6e 74 65 6e 74 29 NG fts5(content)
+| page 2 offset 4096
+| 0: 0d 00 00 00 03 0f bd 00 0f e8 0f ef 0f bd f0 00 ................
+| 16: 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
+| 4016: 00 00 00 00 00 00 00 00 00 00 00 00 00 24 84 80 .............$..
+| 4032: 80 80 80 01 03 00 4e 00 10 00 1e 06 30 61 62 61 ......N.....0aba
+| 4048: 63 6c 01 02 02 04 02 66 74 02 5f 02 04 04 6e 64 cl.....ft._...nd
+| 4064: 6f 6e 02 02 02 04 0a 07 05 01 03 00 10 03 03 0f on..............
+| 4080: 0a 03 00 24 00 00 00 00 01 01 01 00 01 01 01 11 ...$............
+| page 3 offset 8192
+| 0: 0a 00 00 00 01 0f 00 01 00 00 00 00 00 00 00 00 ................
+| 4080: 00 00 00 00 00 00 00 00 00 00 05 04 09 0c 01 02 ................
+| page 4 offset 12288
+| 0: 0d 00 00 00 03 0f e0 00 0f f6 0f ec 0f e0 00 00 ................
+| 4064: 0a 03 03 00 1b 61 62 61 6e 64 6f 6e 08 02 03 00 .....abandon....
+| 4080: 17 61 62 61 66 74 08 01 03 00 17 61 62 61 63 6b .abaft.....aback
+| page 5 offset 16384
+| 0: 0d 00 00 00 03 0f ee 00 0f fa 0f 00 00 00 00 00 ................
+| 4064: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 03 ................
+| 4080: 03 00 0e 01 04 02 03 00 0e 01 04 01 03 00 0e 01 ................
+| page 6 offset 20480
+| 0: 0a 00 00 00 01 0f f4 00 0f f4 00 00 00 00 00 00 ................
+| 4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04 ........version.
+| page 7 offset 24576
+| 0: 0d 00 00 10 03 0f d6 00 0f 00 00 00 00 00 00 00 ................
+| 4048: 00 00 00 00 00 00 09 03 02 1b 72 65 62 75 69 6c ..........rebuil
+| 4064: 64 11 02 02 2b 69 6e 74 65 67 72 69 74 79 2d 63 d...+integrity-c
+| 4080: 68 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 00 00 00 heck....optim...
+| page 8 offset 28672
+| 0: 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
+| end crash-42fa37b694d45a.db
+}]} {}
+
+do_execsql_test 6.1 {
+ INSERT INTO t1(t1,rank) VALUES('secure-delete',1);
+}
+do_catchsql_test 6.2 {
+ UPDATE t1 SET content=randomblob(500) WHERE t1;
+} {1 {constraint failed}}
sqlite3_fts5_may_be_corrupt 0
finish_test
diff --git a/ext/fts5/test/fts5secure8.test b/ext/fts5/test/fts5secure8.test
new file mode 100644
index 000000000..8ceb9630a
--- /dev/null
+++ b/ext/fts5/test/fts5secure8.test
@@ -0,0 +1,51 @@
+# 2023 Nov 23
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#*************************************************************************
+#
+
+source [file join [file dirname [info script]] fts5_common.tcl]
+ifcapable !fts5 { finish_test ; return }
+set ::testprefix fts5secure8
+
+proc sql_repeat {txt n} {
+ string repeat $txt $n
+}
+db func repeat sql_repeat
+
+do_execsql_test 1.0 {
+ CREATE VIRTUAL TABLE ft USING fts5(x);
+
+ INSERT INTO ft(ft, rank) VALUES('pgsz', 64);
+
+ INSERT INTO ft(rowid, x) VALUES(100, 'hello world');
+ INSERT INTO ft(rowid, x) VALUES(200, 'one day');
+
+ BEGIN;
+ INSERT INTO ft(rowid, x) VALUES(45, 'one two three');
+ UPDATE ft SET x = repeat('hello world ', 500) WHERE rowid=100;
+ COMMIT
+}
+
+do_execsql_test 1.1 {
+ INSERT INTO ft(ft, rank) VALUES('secure-delete', 1);
+ DELETE FROM ft WHERE rowid=100;
+}
+
+do_execsql_test 1.2 {
+ PRAGMA integrity_check;
+} {ok}
+
+
+
+
+
+finish_test
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-21 16:24:32 +0000