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Overview
Comment: | Fix a segfault in fts5 that could occur if the database contents were corrupt. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | fts5-incompatible |
Files: | files | file ages | folders |
SHA1: |
4931e37da4d2c26d7afc5432f7f0d534 |
User & Date: | dan 2015-09-10 16:19:01.581 |
Context
2015-09-10
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16:39 | Increment the fts5 version value to indicate that the on-disk format has changed. (Closed-Leaf check-in: 99de5e3613 user: dan tags: fts5-incompatible) | |
16:19 | Fix a segfault in fts5 that could occur if the database contents were corrupt. (check-in: 4931e37da4 user: dan tags: fts5-incompatible) | |
15:52 | Merge latest changes from trunk. Including fts5_expr.c fixes. (check-in: 716e7e7477 user: dan tags: fts5-incompatible) | |
Changes
Changes to ext/fts5/fts5_index.c.
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3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 | } static void fts5PoslistCallback( Fts5Index *p, void *pCtx, const u8 *pChunk, int nChunk ){ fts5BufferAppendBlob(&p->rc, (Fts5Buffer*)pCtx, nChunk, pChunk); } /* ** Iterator pIter currently points to a valid entry (not EOF). This ** function appends the position list data for the current entry to ** buffer pBuf. It does not make a copy of the position-list size ** field. */ | > > > | 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 | } static void fts5PoslistCallback( Fts5Index *p, void *pCtx, const u8 *pChunk, int nChunk ){ assert_nc( nChunk>=0 ); if( nChunk>0 ){ fts5BufferAppendBlob(&p->rc, (Fts5Buffer*)pCtx, nChunk, pChunk); } } /* ** Iterator pIter currently points to a valid entry (not EOF). This ** function appends the position list data for the current entry to ** buffer pBuf. It does not make a copy of the position-list size ** field. */ |
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Changes to ext/fts5/test/fts5corrupt.test.
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39 40 41 42 43 44 45 | db_save do_execsql_test 1.2 { INSERT INTO t1(t1) VALUES('integrity-check') } set segid [lindex [fts5_level_segids t1] 0] do_test 1.3 { execsql { | | | | 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | db_save do_execsql_test 1.2 { INSERT INTO t1(t1) VALUES('integrity-check') } set segid [lindex [fts5_level_segids t1] 0] do_test 1.3 { execsql { DELETE FROM t1_data WHERE rowid = fts5_rowid('segment', $segid, 4); } catchsql { INSERT INTO t1(t1) VALUES('integrity-check') } } {1 {database disk image is malformed}} do_test 1.4 { db_restore_and_reopen execsql { UPDATE t1_data set block = X'00000000' || substr(block, 5) WHERE rowid = fts5_rowid('segment', $segid, 4); } catchsql { INSERT INTO t1(t1) VALUES('integrity-check') } } {1 {database disk image is malformed}} db_restore_and_reopen #db eval {SELECT rowid, fts5_decode(rowid, block) aS r FROM t1_data} {puts $r} |
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Changes to ext/fts5/test/fts5corrupt2.test.
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205 206 207 208 209 210 211 | if {$res == "1 {database disk image is malformed}"} {incr nCorrupt} set {} 1 } {1} execsql ROLLBACK } | | | | | | | 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 | if {$res == "1 {database disk image is malformed}"} {incr nCorrupt} set {} 1 } {1} execsql ROLLBACK } # do_test 4.$tn.x { expr $nCorrupt>0 } 1 } } set doc [string repeat "A B C " 1000] do_execsql_test 5.0 { CREATE VIRTUAL TABLE x5 USING fts5(tt); INSERT INTO x5(x5, rank) VALUES('pgsz', 32); WITH ii(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM ii WHERE i<10) INSERT INTO x5 SELECT $doc FROM ii; } foreach {tn hdr} { 1 "\x00\x01" } { set tn2 0 set nCorrupt 0 foreach rowid [db eval {SELECT rowid FROM x5_data WHERE rowid>10}] { if {$rowid & $mask} continue incr tn2 do_test 5.$tn.$tn2 { execsql BEGIN set fd [db incrblob main x5_data block $rowid] fconfigure $fd -encoding binary -translation binary puts -nonewline $fd $hdr close $fd catchsql { INSERT INTO x5(x5) VALUES('integrity-check') } set {} {} } {} execsql ROLLBACK } } #-------------------------------------------------------------------- reset_db do_execsql_test 6.1 { CREATE VIRTUAL TABLE x5 USING fts5(tt); INSERT INTO x5 VALUES('a'); INSERT INTO x5 VALUES('a a'); INSERT INTO x5 VALUES('a a a'); INSERT INTO x5 VALUES('a a a a'); UPDATE x5_docsize SET sz = X'' WHERE id=3; } proc colsize {cmd i} { $cmd xColumnSize $i } sqlite3_fts5_create_function db colsize colsize do_catchsql_test 6.2 { SELECT colsize(x5, 0) FROM x5 WHERE x5 MATCH 'a' } {1 SQLITE_CORRUPT_VTAB} sqlite3_fts5_may_be_corrupt 0 finish_test |