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Overview
| Comment: | Fix an assert() that could fail when operating on a database with a corrupt schema. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
4a340c9bc7d939efc947e3b17ca79314 |
| User & Date: | dan 2020-06-17 20:29:56 |
Context
|
2020-06-19
| ||
| 11:34 | Refactoring various names. No changes in the resulting machine code. (check-in: 7bb08b1b user: drh tags: trunk) | |
|
2020-06-18
| ||
| 13:16 | Fix an assert() that could fail when operating on a database with a corrupt schema. (check-in: b69b9c06 user: drh tags: branch-3.32) | |
|
2020-06-17
| ||
| 20:29 | Fix an assert() that could fail when operating on a database with a corrupt schema. (check-in: 4a340c9b user: dan tags: trunk) | |
| 14:54 | Fix an assert() in fts3 that could fail when processing a corrupt record. (check-in: 4adc0a1b user: dan tags: trunk) | |
Changes
Changes to src/btree.c.
| ︙ | ︙ | |||
196 197 198 199 200 201 202 203 204 205 |
/* Figure out the root-page that the lock should be held on. For table
** b-trees, this is just the root page of the b-tree being read or
** written. For index b-trees, it is the root page of the associated
** table. */
if( isIndex ){
HashElem *p;
for(p=sqliteHashFirst(&pSchema->idxHash); p; p=sqliteHashNext(p)){
Index *pIdx = (Index *)sqliteHashData(p);
if( pIdx->tnum==(int)iRoot ){
| > | > | 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 |
/* Figure out the root-page that the lock should be held on. For table
** b-trees, this is just the root page of the b-tree being read or
** written. For index b-trees, it is the root page of the associated
** table. */
if( isIndex ){
HashElem *p;
int bSeen = 0;
for(p=sqliteHashFirst(&pSchema->idxHash); p; p=sqliteHashNext(p)){
Index *pIdx = (Index *)sqliteHashData(p);
if( pIdx->tnum==(int)iRoot ){
if( bSeen ){
/* Two or more indexes share the same root page. There must
** be imposter tables. So just return true. The assert is not
** useful in that case. */
return 1;
}
iTab = pIdx->pTable->tnum;
bSeen = 1;
}
}
}else{
iTab = iRoot;
}
/* Search for the required lock. Either a write-lock on root-page iTab, a
|
| ︙ | ︙ |
Changes to test/corruptL.test.
| ︙ | ︙ | |||
1178 1179 1180 1181 1182 1183 1184 1185 1186 |
PRAGMA integrity_check;
} {1 {database disk image is malformed}}
do_catchsql_test 14.2 {
ALTER TABLE t1 RENAME TO alkjalkjdfiiiwuer987lkjwer82mx97sf98788s9789s;
} {1 {database disk image is malformed}}
finish_test
| > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 |
PRAGMA integrity_check;
} {1 {database disk image is malformed}}
do_catchsql_test 14.2 {
ALTER TABLE t1 RENAME TO alkjalkjdfiiiwuer987lkjwer82mx97sf98788s9789s;
} {1 {database disk image is malformed}}
#-------------------------------------------------------------------------
reset_db
do_test 15.0 {
sqlite3 db {}
db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename crash-3afa1ca9e9c1bd.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 .....@ ........
| 32: 00 00 00 00 00 00 00 00 00 00 00 06 00 00 00 04 ................
| 48: 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 ................
| 96: 00 00 00 00 0d 00 00 00 06 0e 88 00 0f b8 0f 6d ...............m
| 112: 0f 3a 0f 0b 0e d5 0e 88 01 00 00 00 00 00 00 00 .:..............
| 3712: 00 00 00 00 00 00 00 00 4b 06 06 17 25 25 01 5b ........K...%%.[
| 3728: 74 61 62 6c 65 73 71 6c 69 74 65 5f 73 74 61 74 tablesqlite_stat
| 3744: 31 73 71 6c 69 74 65 5f 73 74 61 74 31 07 43 52 1sqlite_stat1.CR
| 3760: 45 41 54 45 20 54 41 42 4c 45 20 73 71 6c 69 74 EATE TABLE sqlit
| 3776: 65 5f 73 74 61 74 31 28 74 62 6c 2c 69 64 78 2c e_stat1(tbl,idx,
| 3792: 73 74 61 74 29 34 05 06 17 13 11 01 53 69 6e 64 stat)4......Sind
| 3808: 65 78 63 31 63 63 31 06 43 52 45 41 54 45 20 55 exc1cc1.CREATE U
| 3824: 4e 49 51 55 45 20 49 4e 44 45 58 20 63 31 63 20 NIQUE INDEX c1c
| 3840: 4f 4e 20 63 31 28 63 2c 20 62 29 2d 04 06 17 13 ON c1(c, b)-....
| 3856: 11 01 45 69 6e 64 65 78 63 31 64 63 31 05 43 52 ..Eindexc1dc1.CR
| 3872: 45 41 54 45 20 49 4e 44 45 58 20 63 31 64 20 4f EATE INDEX c1d O
| 3888: 4e 20 63 31 28 64 2c 20 62 29 31 03 06 17 13 11 N c1(d, b)1.....
| 3904: 01 4d 69 6e 64 65 78 62 31 63 62 31 05 43 52 45 .Mindexb1cb1.CRE
| 3920: 41 54 45 20 55 4e 49 51 55 45 20 49 4e 44 45 58 ATE UNIQUE INDEX
| 3936: 20 62 31 63 20 4f 4e 20 62 31 28 63 29 49 02 06 b1c ON b1(c)I..
| 3952: 17 11 11 0f 7f 74 61 62 6c 65 63 31 63 31 03 43 .....tablec1c1.C
| 3968: 52 45 41 54 45 20 54 41 42 4c 45 20 63 31 28 61 REATE TABLE c1(a
| 3984: 20 49 4e 54 20 50 52 49 4d 41 52 59 20 4b 45 59 INT PRIMARY KEY
| 4000: 2c 20 62 2c 20 63 2c 20 64 29 20 57 49 54 48 4f , b, c, d) WITHO
| 4016: 55 54 20 52 4f 57 49 44 46 01 06 17 11 11 01 79 UT ROWIDF......y
| 4032: 74 61 62 6c 65 62 31 62 31 02 43 52 45 41 54 45 tableb1b1.CREATE
| 4048: 20 54 41 42 4c 45 20 62 31 28 61 20 49 4e 54 20 TABLE b1(a INT
| 4064: 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 62 2c 20 PRIMARY KEY, b,
| 4080: 63 29 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 c) WITHOUT ROWID
| page 2 offset 4096
| 0: 0a 00 00 00 07 0f ca 00 0f fa 0f f2 0f ea 0f e2 ................
| 16: 0f da 00 00 00 01 00 00 00 00 00 00 00 00 00 00 ................
| 4032: 00 00 00 00 00 00 00 00 00 00 07 04 01 0f 01 06 ................
| 4048: 67 07 07 04 01 0f 01 06 66 06 07 04 01 0f 01 05 g.......f.......
| 4064: 65 05 07 04 01 0f 01 04 64 04 07 04 01 0f 01 03 e.......d.......
| 4080: 63 03 07 04 01 0f 01 02 62 0f 05 04 09 0f 09 61 c.......b......a
| page 3 offset 8192
| 0: 0a 00 00 00 07 0f bd 00 0f f9 0f ef 0f e5 0f db ................
| 16: 0f d1 0f c7 0f bd 00 00 00 00 01 00 00 00 00 00 ................
| 4016: 00 00 00 00 00 00 00 00 00 00 00 00 00 09 05 01 ................
| 4032: 0f 01 01 07 61 07 07 09 05 01 0f 01 01 06 61 06 ....a.........a.
| 4048: 06 09 05 01 0f 01 01 05 61 05 05 09 05 01 0f 01 ........a.......
| 4064: 01 04 61 04 04 09 05 01 0f 01 01 03 61 03 03 09 ..a.........a...
| 4080: 05 01 0f 01 01 02 61 0f 02 06 05 09 0f 09 09 61 ......a........a
| page 4 offset 12288
| 0: 0a 00 00 00 07 0f d8 00 0f fc 0f f0 0f ea 0f e4 ................
| 16: 0f de 0f d8 0f f6 00 00 00 00 00 00 00 00 00 00 ................
| 4048: 00 00 00 00 00 00 00 00 05 03 01 01 07 07 05 03 ................
| 4064: 01 01 06 06 05 03 01 01 05 05 05 03 01 01 04 04 ................
| 4080: 05 03 01 01 03 03 05 03 01 01 0f 02 03 03 09 09 ................
| page 5 offset 16384
| 0: 0a 00 00 00 07 0f ca 00 0f fa 0f f2 0f ea 0f 00 ................
| 4032: 00 00 00 00 00 00 00 00 00 00 07 04 01 0f 01 07 ................
| 4048: 61 07 07 04 01 0f 01 06 61 06 07 04 01 0f 01 05 a.......a.......
| 4064: 61 05 07 04 01 1f 01 04 61 04 07 04 01 0f 01 03 a.......a.......
| 4080: 61 03 07 04 01 0f 01 02 61 02 05 04 09 0f 09 61 a.......a......a
| page 6 offset 20480
| 0: 0a 00 00 00 07 0f ca 00 0f fa 0f ea 0f e2 00 00 ................
| 4032: 00 00 00 00 00 00 00 00 00 00 07 04 01 0f 01 07 ................
| 4048: 61 07 07 04 01 0f 01 06 61 06 07 04 01 0f 01 05 a.......a.......
| 4064: 61 05 07 04 01 0f 01 04 61 04 07 04 01 0f 01 03 a.......a.......
| 4080: 61 03 07 04 01 0f 01 0f 61 02 05 04 09 0f 09 61 a.......a......a
| page 7 offset 24576
| 0: 0d 00 00 00 05 0f 1c 00 0f f0 0f e0 0f d3 0f c5 ................
| 16: 0f b8 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
| 4016: 00 00 00 00 00 00 00 00 0b 05 04 11 11 13 62 31 ..............b1
| 4032: 62 31 37 20 31 0c 04 04 11 13 13 62 31 62 31 63 b17 1......b1b1c
| 4048: 37 20 31 0b 03 04 11 11 13 63 31 63 31 37 20 31 7 1......c1c17 1
| 4064: 0e 02 04 11 13 07 63 31 63 31 64 37 20 31 20 31 ......c1c1d7 1 1
| 4080: 0e 01 04 11 13 17 63 31 63 31 63 37 20 31 00 00 ......c1c1c7 1..
| end crash-3afa1ca9e9c1bd.db
}]} {}
do_execsql_test 15.1 {
UPDATE c1 SET c= NOT EXISTS(SELECT 1 FROM c1 ORDER BY (SELECT 1 FROM c1 ORDER BY a)) +10 WHERE d BETWEEN 4 AND 7;
} {}
finish_test
|