Fix a problem with corrupt database handling in the fts3 matchinfo() function.

FossilOrigin-Name: 703646b1b5c84d550fe0d74e399c0eeb729da1d263e4693320f69e6509678985

diff --git a/ext/fts3/fts3_snippet.c b/ext/fts3/fts3_snippet.c
index ea4edf1428820c5c0673c5ed26ea191f63b63bad..1c411391118b2337a2a16639153baa9f3a421ec9 100644 (file)
--- a/ext/fts3/fts3_snippet.c
+++ b/ext/fts3/fts3_snippet.c
@@ -852,7 +852,7 @@ static int fts3ColumnlistCount(char **ppCollist){
 /*
 ** This function gathers 'y' or 'b' data for a single phrase.
 */
-static void fts3ExprLHits(
+static int fts3ExprLHits(
   Fts3Expr *pExpr,                /* Phrase expression node */
   MatchInfo *p                    /* Matchinfo context */
 ){
@@ -882,25 +882,29 @@ static void fts3ExprLHits(
     if( *pIter!=0x01 ) break;
     pIter++;
     pIter += fts3GetVarint32(pIter, &iCol);
+    if( iCol>=p->nCol ) return FTS_CORRUPT_VTAB;
   }
+  return SQLITE_OK;
 }
 
 /*
 ** Gather the results for matchinfo directives 'y' and 'b'.
 */
-static void fts3ExprLHitGather(
+static int fts3ExprLHitGather(
   Fts3Expr *pExpr,
   MatchInfo *p
 ){
+  int rc = SQLITE_OK;
   assert( (pExpr->pLeft==0)==(pExpr->pRight==0) );
   if( pExpr->bEof==0 && pExpr->iDocid==p->pCursor->iPrevId ){
     if( pExpr->pLeft ){
-      fts3ExprLHitGather(pExpr->pLeft, p);
-      fts3ExprLHitGather(pExpr->pRight, p);
+      rc = fts3ExprLHitGather(pExpr->pLeft, p);
+      if( rc==SQLITE_OK ) rc = fts3ExprLHitGather(pExpr->pRight, p);
     }else{
-      fts3ExprLHits(pExpr, p);
+      rc = fts3ExprLHits(pExpr, p);
     }
   }
+  return rc;
 }
 
 /*
@@ -1272,7 +1276,7 @@ static int fts3MatchinfoValues(
       case FTS3_MATCHINFO_LHITS: {
         int nZero = fts3MatchinfoSize(pInfo, zArg[i]) * sizeof(u32);
         memset(pInfo->aMatchinfo, 0, nZero);
-        fts3ExprLHitGather(pCsr->pExpr, pInfo);
+        rc = fts3ExprLHitGather(pCsr->pExpr, pInfo);
         break;
       }
 

diff --git a/manifest b/manifest
index b32d251a698dd11d52c51c3a977aacc33b2bc99e..4b727a553b419c80dfa28d8d554d0306d8a532e9 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Improved\sdetection\sof\sshadow\stable\scorruption\sin\sthe\sfts5_decode()\sSQL\sfunction.
-D 2019-01-12T00:45:20.077
+C Fix\sa\sproblem\swith\scorrupt\sdatabase\shandling\sin\sthe\sfts3\smatchinfo()\sfunction.
+D 2019-01-12T14:58:35.735
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 45a3fef4d325ac0220c2172aeec4e4321da351f073f3b8e8ddea655f49ef6f2b
@@ -89,7 +89,7 @@ F ext/fts3/fts3_hash.c 8b6e31bfb0844c27dc6092c2620bdb1fca17ed613072db057d96952c6
 F ext/fts3/fts3_hash.h 39cf6874dc239d6b4e30479b1975fe5b22a3caaf
 F ext/fts3/fts3_icu.c 305ce7fb6036484085b5556a9c8e62acdc7763f0f4cdf5fd538212a9f3720116
 F ext/fts3/fts3_porter.c 3565faf04b626cddf85f03825e86056a4562c009
-F ext/fts3/fts3_snippet.c 3c4654a57f12d05b7249103633dffc77bcf29fe995c72a272b279561732974b1
+F ext/fts3/fts3_snippet.c bea8038175ff19bcc27b8a1d0bf12ee0a482b995029ea125b105c43eaebc8098
 F ext/fts3/fts3_term.c 12f7b2318f1254e6cc46dd306e5f2ac5b00b06d6761f5cae09fee5e1817cc32a
 F ext/fts3/fts3_test.c 79f2a7fbb3f672fa032e5a432ca274ea3ee93c34
 F ext/fts3/fts3_tokenize_vtab.c 969c132816b6f46ee2c7efafd2547a9bfd50b0aac3f8cef3f2dca2cbd90639c7
@@ -915,7 +915,7 @@ F test/fts3conf.test c84bbaec81281c1788aa545ac6e78a6bd6cde2bdbbce2da261690e3659f
 F test/fts3corrupt.test 46b9ddda7f6588fd5a5b1f4bb4fc0618dc45010e7dddb8a3a188baf3197177ae
 F test/fts3corrupt2.test bf55c3fa0b0dc8ea1c0fe5543623bd27714585da6a129038fd6999fe3b0d25f3
 F test/fts3corrupt3.test 0d5b69a0998b4adf868cc301fc78f3d0707745f1d984ce044c205cdb764b491f
-F test/fts3corrupt4.test 7094ffbd5bbc3852969bd85dc5bed35319f3bbda210e8f2163c74a6b79beb712
+F test/fts3corrupt4.test 6c5fe11f2692c6fb72358d2379eb2c7f9381b35484ea4f671df4591ec20c4485
 F test/fts3cov.test cb932743da52a1c79a1ab8983e26c8121cf02263d6ff16e1f642e6f9b8348338
 F test/fts3d.test 2bd8c97bcb9975f2334147173b4872505b6a41359a4f9068960a36afe07a679f
 F test/fts3defer.test f4c20e4c7153d20a98ee49ee5f3faef624fefc9a067f8d8d629db380c4d9f1de
@@ -1798,7 +1798,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 567be3bb1e8b6477f3bf1c7b4cd6ec066fba69d0dcf8785632e244ce25db639f
-R aca3cf5715dc297643eea292d3459238
-U drh
-Z eefd0c074ad030760bd94a241383811e
+P b74e5f3f3057ee7a98ebcb14ca0751048eacbec8fca3e11e241883029a57ecdf
+R 98e913aa4c07553cef3ed2e17fb44150
+U dan
+Z 266b463aec482d4a998de77b92e76d8b

diff --git a/manifest.uuid b/manifest.uuid
index d422dfc85944974fd635d952d9223703560100d9..549592d46f6f046242119f9c09ea6bab766ad794 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-b74e5f3f3057ee7a98ebcb14ca0751048eacbec8fca3e11e241883029a57ecdf
\ No newline at end of file
+703646b1b5c84d550fe0d74e399c0eeb729da1d263e4693320f69e6509678985
\ No newline at end of file

diff --git a/test/fts3corrupt4.test b/test/fts3corrupt4.test
index 9996ee049b2326ad2866776364f0cb294b356924..da3e99242af3f0633122074ceeceaa747786df14 100644 (file)
--- a/test/fts3corrupt4.test
+++ b/test/fts3corrupt4.test
@@ -266,4 +266,295 @@ do_catchsql_test 6.2 {
   INSERT INTO Table0(Table0) VALUES('optimize');
 } {0 {}}
 
+#-------------------------------------------------------------------------
+reset_db
+do_test 7.0 {
+  sqlite3 db {}
+  db deserialize [decode_hexdb {
+| size 32768 pagesize 4096 filename crash-04bb6e7c811ce9.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 0e ef 00 07 0d 4d 00 0f bd 0f 5f   ..........M...._
+|    112: 0e f7 0e 06 0e bc 0d a4 0d 4d 00 00 00 00 00 00   .........M......
+|   3392: 00 00 00 00 00 00 00 00 00 00 00 00 00 55 07 07   .............U..
+|   3408: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 73 74   ......tablet1_st
+|   3424: 61 74 74 31 5f 73 74 61 74 07 43 52 45 41 54 45   att1_stat.CREATE
+|   3440: 20 54 41 42 4c 45 20 27 74 31 5f 73 74 61 74 27    TABLE 't1_stat'
+|   3456: 28 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   (id INTEGER PRIM
+|   3472: 41 52 59 20 4b 45 59 2c 20 76 61 6c 75 65 20 42   ARY KEY, value B
+|   3488: 4c 4f 42 29 60 06 07 17 21 21 01 81 0b 74 61 62   LOB)`...!!...tab
+|   3504: 6c 65 74 31 5f 64 6f 63 73 69 7a 65 74 31 5f 64   let1_docsizet1_d
+|   3520: 6f 63 73 69 7a 65 06 43 52 45 41 54 45 20 54 41   ocsize.CREATE TA
+|   3536: 42 4c 45 20 27 74 31 5f 64 6f 63 73 69 7a 65 27   BLE 't1_docsize'
+|   3552: 28 64 6f 63 69 64 20 49 4e 54 45 47 45 52 20 50   (docid INTEGER P
+|   3568: 52 49 4d 41 52 59 20 4b 45 59 2c 20 73 69 7a 65   RIMARY KEY, size
+|   3584: 20 42 4c 4f 42 29 81 33 04 07 17 1f 1f 01 82 35    BLOB).3.......5
+|   3600: 74 61 62 6c 65 74 31 5f 73 65 67 64 69 72 74 31   tablet1_segdirt1
+|   3616: 5f 73 65 67 64 69 72 04 43 52 45 41 54 45 20 54   _segdir.CREATE T
+|   3632: 41 42 4c 45 20 27 74 31 5f 73 65 67 64 69 72 27   ABLE 't1_segdir'
+|   3648: 28 6c 65 76 65 6c 20 49 4e 54 45 47 45 52 2c 69   (level INTEGER,i
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+|   3888: 6d 65 6e 74 73 27 28 62 6c 6f 63 6b 69 64 20 49   ments'(blockid I
+|   3904: 4e 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b   NTEGER PRIMARY K
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+|   3968: 74 02 43 52 45 41 54 45 20 54 41 42 4c 45 20 27   t.CREATE TABLE '
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+|   4048: 45 41 54 45 20 56 49 52 54 55 41 4c 20 54 41 42   EATE VIRTUAL TAB
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+|   4080: 28 61 2c 70 72 65 66 69 78 3d 27 31 2c 32 27 29   (a,prefix='1,2')
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+|   3344: 06 07 00 01 07 00 00 01 71 06 03 07 00 05 05 00   ........q.......
+|   3360: 00 01 72 03 05 07 00 00 01 73 0c 01 05 00 01 02   ..r......s......
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+|   3392: 75 0a 02 07 00 01 02 0a 00 01 03 00 00 01 76 07   u.............v.
+|   3408: 03 06 00 02 09 03 00 85 26 01 08 08 08 08 08 17   ........&.......
+|   3424: 8a 3e 30 20 36 36 35 00 02 61 64 03 03 04 00 02   .>0 665..ad.....
+|   3440: 08 69 70 69 73 63 69 6e 67 03 01 08 00 01 05 6c   .ipiscing......l
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+|   3472: 01 03 6d 65 74 03 01 06 00 01 03 6e 69 6d 03 08   ..met......nim..
+|   3488: 09 00 01 03 75 74 65 03 05 03 00 00 06 63 69 6c   ....ute......cil
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+|   3520: 04 07 00 02 09 6e 73 65 63 74 65 74 75 72 03 01   .....nsectetur..
+|   3536: 07 00 05 04 71 75 61 74 03 04 08 00 01 04 75 6c   ....quat......ul
+|   3552: 70 61 03 08 04 00 02 07 70 69 64 61 74 61 74 03   pa......pidatat.
+|   3568: 07 05 00 00 08 64 65 73 65 72 75 6e 74 03 08 07   .....deserunt...
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+|   3600: 00 04 05 00 05 01 65 06 02 0a 00 04 03 00 01 03   ......e.........
+|   3616: 75 69 73 03 05 02 00 00 02 65 61 03 04 06 00 01   uis......ea.....
+|   3632: 06 69 75 73 6d 6f 64 03 02 04 00 01 03 6c 69 74   .iusmod......lit
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+|   3696: 05 00 02 07 63 65 70 74 65 75 72 03 07 02 00 02   ....cepteur.....
+|   3712: 0a 65 72 63 69 74 61 74 69 6f 6e 03 03 09 00 00   .ercitation.....
+|   3728: 06 66 75 67 69 61 74 03 06 05 00 00 02 69 64 03   .fugiat......id.
+|   3744: 08 0a 00 01 01 6e 07 05 06 04 00 03 03 00 02 08   .....n..........
+|   3760: 63 69 64 69 64 75 6e 74 03 02 06 00 01 04 70 73   cididunt......ps
+|   3776: 75 6d 03 01 03 00 01 04 72 75 72 65 03 05 04 00   um......rure....
+|   3792: 00 06 6c 61 62 6f 72 65 03 02 08 00 05 02 69 73   ..labore......is
+|   3808: 03 03 0b 00 05 02 75 6d 03 08 0c 00 01 04 6f 72   ......um......or
+|   3824: 65 6d 03 01 02 00 00 05 6d 61 67 6e 61 03 02 0b   em......magna...
+|   3840: 00 01 04 69 6e 69 6d 03 03 05 00 01 05 6f 6c 6c   ...inim......oll
+|   3856: 69 74 03 08 08 00 00 04 6e 69 73 69 03 04 02 00   it......nisi....
+|   3872: 01 02 6f 6e 03 07 06 00 02 05 73 74 72 75 64 03   ..on......strud.
+|   3888: 03 08 00 01 04 75 6c 6c 61 03 06 06 00 00 08 6f   .....ulla......o
+|   3904: 63 63 61 65 63 61 74 03 07 04 00 01 06 66 66 69   ccaecat......ffi
+|   3920: 63 69 61 03 08 06 00 00 08 70 61 72 69 61 74 75   cia......pariatu
+|   3936: 72 03 06 07 00 01 07 72 6f 69 64 65 6e 74 03 07   r......roident..
+|   3952: 07 00 00 03 71 75 69 03 08 05 00 03 01 73 03 03   ....qui......s..
+|   3968: 07 00 00 0d 72 65 70 72 65 68 65 6e 64 65 72 69   ....reprehenderi
+|   3984: 74 03 05 07 00 00 03 73 65 64 03 02 02 00 01 03   t......sed......
+|   4000: 69 6e 74 03 07 03 00 02 01 74 03 01 05 00 01 03   int......t......
+|   4016: 75 6e 74 03 08 02 00 00 06 74 65 6d 70 6f 72 03   unt......tempor.
+|   4032: 02 05 00 00 07 75 6c 6c 61 6d 63 6f 03 03 0a 00   .....ullamco....
+|   4048: 01 01 74 09 02 07 00 01 02 00 01 03 00 00 05 76   ..t............v
+|   4064: 65 6c 69 74 03 05 0a 00 02 04 6e 69 61 6d 03 03   elit......niam..
+|   4080: 06 00 01 08 6f 6c 75 70 74 61 74 65 03 05 09 00   ....oluptate....
+| page 5 offset 16384
+|      0: 0a 00 00 00 03 0f eb 00 0f fb 0f f3 0f eb 00 00   ................
+|   4064: 00 00 00 00 00 00 00 00 00 00 00 07 04 02 08 01   ................
+|   4080: 08 00 03 07 04 02 08 01 04 00 02 04 04 08 08 09   ................
+| page 6 offset 20480
+|      0: 0d 00 00 00 08 0f d0 00 0f fa 0f f4 0f ee 0f e8   ................
+|     16: 0f e2 0f dc 0f d6 0f d0 00 00 00 00 00 00 00 00   ................
+|   4048: 04 08 03 00 0e 0b 04 07 03 00 0e 06 04 06 03 00   ................
+|   4064: 0e 06 04 05 03 00 0e 0a 04 04 03 00 0e 07 04 03   ................
+|   4080: 03 00 0e 0a 04 02 03 00 0e 0b 04 01 03 00 0e 08   ................
+| page 7 offset 24576
+|      0: 0d 00 00 00 01 0f f7 00 0f f7 00 00 00 00 00 00   ................
+|   4080: 00 00 00 00 00 00 00 07 00 03 00 14 08 45 b5 03   .............E..
+| page 8 offset 28672
+|      0: 6f ee cd e1 f1 ee 1a ca be ed ee ec de ac f1 cb   o...............
+|     16: f1 ee 1a ce de ee f1 ee 0a cc de ed ae 90 87 88   ................
+|     32: ec 5e dc ec fc 11 72 32 75 0a da be ec ed eb de   .^....r2u.......
+|     48: ce c1 aa e0 ae ec 1f c1 ee 99 c2 aa e0 a9 ad 15   ................
+|     64: 0e ec ab ef 1e e0 48 ad 15 04 24 80 00 00 00 00   ......H...$.....
+|     80: 00 00 00 00 e0 00 00 00 04 2c 80 00 10 42 4e c1   .........,...BN.
+|     96: 20 4b 45 59 2c 6e 6f 64 65 6e 6f 2c 61 30 29 46    KEY,nodeno,a0)F
+|    112: 02 06 17 11 11 08 7b 74 61 62 6c 65 74 31 74 31   .......tablet1t1
+|    128: 43 52 45 41 54 e1 ec eb ea eb eb ac ee ce be de   CREAT...........
+|    144: ee f1 ee 1a ca ba de 47 80 30 00 14 90 47 70 30   .......G.0...Gp0
+|    160: 00 11 60 47 60 30 00 15 f0 47 50 30 00 10 f0 47   ..`G`0...GP0...G
+|    176: 40 30 00 11 f0 47 45 20 30 00 11 d0 45 10 30 00   @0...GE 0...E.0.
+|    192: 12 10 45 00 30 00 14 e0 44 f0 30 00 11 e0 44 e0   ..E.0...D.0...D.
+|    208: 30 00 12 a0 44 d0 30 00 15 e0 44 c0 30 00 10 40   0...D.0...D.0..@
+|    224: 44 b0 30 00 15 10 44 a0 30 00 14 c0 44 90 30 00   D.0...D.0...D.0.
+|    240: 16 20 44 80 30 00 52 45 41 54 45 20 54 41 42 4c   . D.0.REATE TABL
+|    256: 45 20 27 74 31 5f 63 6f 6e 74 65 6e 74 27 28 69   E 't1_content'(i
+|    272: 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d 41 52   d INTEGER PRIMAR
+|    288: 59 20 4b 45 59 2c 20 63 30 29 69 03 07 17 19 19   Y KEY, c0)i.....
+|    304: 01 81 2d 74 61 62 6c 65 74 31 5f 69 64 78 74 31   ..-tablet1_idxt1
+|    320: 5f 69 64 78 03 43 52 45 41 54 45 20 54 41 42 4c   _idx.CREATE TABL
+|    336: 45 20 27 70 31 5f 69 64 78 03 6e 69 6d 03 03 03   E 'p1_idx.nim...
+|    352: 00 01 03 73 73 65 03 05 0b 00 02 01 74 03 08 0b   ...sse......t...
+|    368: 00 01 01 74 03 02 09 00 01 01 75 03 06 04 00 01   ...t......u.....
+|    384: 01 78 03 04 05 00 02 07 63 65 70 74 65 75 72 03   .x......cepteur.
+|    400: 07 02 00 02 0a 65 72 63 69 74 61 74 69 6f 6e 03   .....ercitation.
+|    416: 03 09 00 00 06 66 75 67 69 61 74 03 06 05 00 00   .....fugiat.....
+|    432: 02 69 64 03 08 0a 00 01 01 6e 07 05 06 04 00 03   .id......n......
+|    448: 03 00 02 08 63 69 64 69 64 75 6e 74 03 02 06 00   ....cididunt....
+|    464: 01 04 70 73 75 6d 03 01 03 00 01 04 72 75 72 65   ..psum......rure
+|    480: 03 05 04 00 00 06 6c 61 62 6f 72 65 03 02 08 00   ......labore....
+|    496: 05 02 69 73 03 03 0b 00 05 02 75 6d 03 08 0c 00   ..is......um....
+|    512: 01 04 6f 72 65 6d 03 01 02 00 00 05 6d 61 67 6e   ..orem......magn
+|    528: 61 03 02 0b 00 01 04 69 6e 69 6d 03 03 05 00 01   a......inim.....
+|    544: 05 6f 6c 6c 69 74 03 08 08 00 00 04 6e 69 73 69   .ollit......nisi
+|    560: 03 04 02 00 01 02 6f 6e 03 07 06 00 02 05 73 74   ......on......st
+|    576: 72 75 64 03 03 08 00 01 04 75 6c 6c 61 03 06 06   rud......ulla...
+|    592: 00 00 08 6f 63 63 61 65 63 61 74 03 07 04 00 01   ...occaecat.....
+|    608: 06 66 66 69 63 69 61 03 08 06 00 00 08 70 61 72   .fficia......par
+|    624: 69 61 74 75 72 03 06 07 00 01 07 72 6f ed ce de   iatur......ro...
+|    640: 69 64 65 6e 74 03 07 07 00 00 03 71 75 69 03 08   ident......qui..
+|    656: 05 00 03 01 73 03 03 07 00 00 0d 72 65 70 72 65   ....s......repre
+|    672: 68 65 6e 64 65 72 69 74 03 05 07 00 00 03 73 65   henderit......se
+|    688: 64 03 02 02 00 01 03 69 6e 74 03 07 03 00 02 01   d......int......
+|    704: 74 03 01 05 00 01 03 75 6e 74 03 08 02 00 00 06   t......unt......
+|    720: 74 65 6d 70 6f 72 03 02 05 00 00 07 75 6c 6c 61   tempor......ulla
+|    736: 6d 63 6f 03 03 0a 00 01 01 74 09 02 07 00 01 02   mco......t......
+|    752: 00 01 03 00 00 05 76 65 6c 69 74 03 05 0a 00 02   ......velit.....
+|    768: 04 6e 69 61 6d 03 03 06 00 01 08 6f 6c 75 70 74   .niam......olupt
+|    784: 61 74 65 03 05 09 00 0a 00 00 00 03 0f eb 00 0f   ate.............
+|    800: fb 0f f3 0f eb 00 00 00 00 00 00 00 00 00 00 00   ................
+| end crash-04bb6e7c811ce9.db
+}]} {}
+
+do_catchsql_test 7.1 {
+  SELECT matchinfo(t1,'y') FROM t1 WHERE t1 MATCH 'e*';
+} {1 {database disk image is malformed}}
+
 finish_test