Fix a problem with querying a corrupt fts3 database.

FossilOrigin-Name: 65e50706a017751d72d0f9c7f575955194977decd0acf13aaca90c3cb925f20e

diff --git a/ext/fts3/fts3_write.c b/ext/fts3/fts3_write.c
index 7535c3659278ce855949c47218a035e9b1bff578..0b06669589e992aa788a7fb6531288b8772c5162 100644 (file)
--- a/ext/fts3/fts3_write.c
+++ b/ext/fts3/fts3_write.c
@@ -2961,7 +2961,9 @@ int sqlite3Fts3SegReaderStep(
           }else{
             iDelta = iDocid - iPrev;
           }
-          assert( iDelta>0 || (nDoclist==0 && iDelta==iDocid) );
+          if( iDelta<=0 && (nDoclist>0 || iDelta!=iDocid) ){
+            return FTS_CORRUPT_VTAB;
+          }
           assert( nDoclist>0 || iDelta==iDocid );
 
           nByte = sqlite3Fts3VarintLen(iDelta) + (isRequirePos?nList+1:0);

diff --git a/manifest b/manifest
index 27bc56d4ea433d2f8f651863aa98e15ea7225656..c7dab056d48be182d50746ff51f968ee13fc0b44 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C When\sparsing\sa\scorrupt\srecord\susing\ssqlite3VdbeRecordUnpack(),\smake\ssure\nthat\sthe\sresulting\sUnpackedRecord\sobject\sis\scompletely\sinitialized,\sto\savoid\n(harmless)\sMSAN\swarnings.
-D 2019-01-14T13:32:15.811
+C Fix\sa\sproblem\swith\squerying\sa\scorrupt\sfts3\sdatabase.
+D 2019-01-14T15:09:00.865
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 45a3fef4d325ac0220c2172aeec4e4321da351f073f3b8e8ddea655f49ef6f2b
@@ -98,7 +98,7 @@ F ext/fts3/fts3_tokenizer.h 64c6ef6c5272c51ebe60fc607a896e84288fcbc3
 F ext/fts3/fts3_tokenizer1.c 5c98225a53705e5ee34824087478cf477bdb7004
 F ext/fts3/fts3_unicode.c 4b9af6151c29b35ed09574937083cece7c31e911f69615e168a39677569b684d
 F ext/fts3/fts3_unicode2.c 416eb7e1e81142703520d284b768ca2751d40e31fa912cae24ba74860532bf0f
-F ext/fts3/fts3_write.c 18726fbd2aab23ff069d9d61b532e8c38bb2f66cfa61d8550537850971526210
+F ext/fts3/fts3_write.c 9d9c77ee985010d568e4b4d5122e6d5e2924f98e0bd04daf65af88fe9295d622
 F ext/fts3/fts3speed.tcl b54caf6a18d38174f1a6e84219950d85e98bb1e9
 F ext/fts3/mkfts3amal.tcl 252ecb7fe6467854f2aa237bf2c390b74e71f100
 F ext/fts3/tool/fts3cov.sh c331d006359456cf6f8f953e37f2b9c7d568f3863f00bb5f7eb87fea4ac01b73
@@ -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 6c5fe11f2692c6fb72358d2379eb2c7f9381b35484ea4f671df4591ec20c4485
+F test/fts3corrupt4.test 8399202555dc336e6514c906f15e8064ce9fe30ae07628adbd79867203f5301b
 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 c93c6b45a317c40eb5c0abb6620d21f5821a601632c791e11e5ce62e039eccda
-R 3507d4ff938f8a3f9aade20909b41836
-U drh
-Z 2333778276c1cc3925abbf197e14cec8
+P ddc3697efd61830fad55c6bf7f9115f4a7f53e08838eba5a82e1406c7a721665
+R 323e1cd08a3be7f38cddf21d9d1321a4
+U dan
+Z 3562fb49b192c80a18f1b43105c29727

diff --git a/manifest.uuid b/manifest.uuid
index afc2d770a1cf03eaf4a3ab8f0133af2f95c27a78..d7aaa4c8bbda0ffc76634625f9b295408f9efb0d 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-ddc3697efd61830fad55c6bf7f9115f4a7f53e08838eba5a82e1406c7a721665
\ No newline at end of file
+65e50706a017751d72d0f9c7f575955194977decd0acf13aaca90c3cb925f20e
\ No newline at end of file

diff --git a/test/fts3corrupt4.test b/test/fts3corrupt4.test
index da3e99242af3f0633122074ceeceaa747786df14..d6ad0a900569ede908f32628afc81dc0c0e12785 100644 (file)
--- a/test/fts3corrupt4.test
+++ b/test/fts3corrupt4.test
@@ -557,4 +557,207 @@ do_catchsql_test 7.1 {
   SELECT matchinfo(t1,'y') FROM t1 WHERE t1 MATCH 'e*';
 } {1 {database disk image is malformed}}
 
+#-------------------------------------------------------------------------
+reset_db
+do_test 8.0 {
+  sqlite3 db {}
+  db deserialize [decode_hexdb {
+| size 28672 pagesize 4096 filename crash-7948058d822acb.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
+|   3664: 64 78 20 49 4e 54 45 47 45 52 2c 73 74 61 72 74   dx INTEGER,start
+|   3680: 5f 62 6c 6f 63 6b 20 49 4e 54 45 47 45 52 2c 6c   _block INTEGER,l
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+|   3728: 6b 20 49 4e 54 45 47 45 52 2c 72 6f 6f 74 20 42   k INTEGER,root B
+|   3744: 4c 4f 42 2c 50 52 49 4d 41 52 59 20 4b 45 59 28   LOB,PRIMARY KEY(
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+|   3776: 45 1f 01 00 69 6e 64 65 78 73 71 6c 69 74 65 5f   E...indexsqlite_
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+|   3808: 64 69 72 5f 31 74 31 5f 73 65 67 64 69 72 05 00   dir_1t1_segdir..
+|   3824: 00 00 08 00 00 00 00 66 03 07 17 23 23 01 81 13   .......f...##...
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+|   3856: 74 31 5f 73 65 67 6d 65 6e 74 73 03 43 52 45 41   t1_segments.CREA
+|   3872: 54 45 20 54 41 42 4c 45 20 27 74 31 5f 73 65 67   TE TABLE 't1_seg
+|   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
+|   3920: 45 59 2c 20 62 6c 6f 63 6b 20 42 4c 4f 42 29 5c   EY, block BLOB).
+|   3936: 02 07 17 21 21 01 81 03 74 61 62 6c 65 74 31 5f   ...!!...tablet1_
+|   3952: 63 6f 6e 74 65 6e 74 74 31 5f 63 6f 6e 74 65 6e   contentt1_conten
+|   3968: 74 02 43 52 45 41 54 45 20 54 41 42 4c 45 20 27   t.CREATE TABLE '
+|   3984: 74 31 5f 63 6f 6e 74 65 6e 74 27 28 64 6f 63 69   t1_content'(doci
+|   4000: 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d 41 52   d INTEGER PRIMAR
+|   4016: 59 20 4b 45 59 2c 20 27 63 30 61 27 29 41 01 06   Y KEY, 'c0a')A..
+|   4032: 17 11 11 08 71 74 61 62 6c 65 74 31 74 31 43 52   ....qtablet1t1CR
+|   4048: 45 41 54 45 20 56 49 52 54 55 41 4c 20 54 41 42   EATE VIRTUAL TAB
+|   4064: 4c 45 20 74 31 20 55 53 49 4e 47 20 66 74 73 34   LE t1 USING fts4
+|   4080: 28 61 2c 70 72 65 66 69 78 3d 27 31 2c 32 27 29   (a,prefix='1,2')
+| page 2 offset 4096
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+|   4080: 20 61 64 69 70 69 73 63 69 6e 67 20 65 6c 69 74    adipiscing elit
+| page 3 offset 8192
+|      0: 0d 00 00 00 00 10 00 00 00 00 00 00 00 00 00 00   ................
+| page 4 offset 12288
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+|   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
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+|   3888: 03 08 00 01 04 75 6c 6c 61 03 06 06 00 00 08 6f   .....ulla......o
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+|   4016: 75 6e 74 03 08 02 00 00 06 74 65 6d 70 6f 72 03   unt......tempor.
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+|   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   ................
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+| 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..
+| end crash-7948058d822acb.db
+}]} {}
+
+do_catchsql_test 8.1 {
+  SELECT matchinfo(t1,'x') FROM t1 WHERE t1 MATCH 'e*';
+} {1 {database disk image is malformed}}
+
 finish_test
+
+