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Handle the corruption fixed by the previous commit in a different way so as to also fix dbsqlfuzz crash 753de0a0ac5b25b18f1e4d41e650d3333cdc270c.

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FossilOrigin-Name: cb27ce25095ab9b5acbe4bf010c7f6d8a71191c2f79b3bf3e63d8655b4fe0769
This commit is contained in:
dan
2021-04-08 19:39:00 +00:00
parent 1bae648b73
commit f5ea93b432
3 changed files with 18 additions and 22 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Handle\sa\sspecial\scase\sof\scorruption\sthat\scan\spresent\sif\s"PRAGMA\swritable_schema=1"\sis\sset.\sFix\sfor\sdbsqlfuzz\stest\scase\s6229ad63de49e3ba0630aaf0058868f36008bcca.
D 2021-04-08T15:19:46.185
C Handle\sthe\scorruption\sfixed\sby\sthe\sprevious\scommit\sin\sa\sdifferent\sway\sso\sas\sto\salso\sfix\sdbsqlfuzz\scrash\s753de0a0ac5b25b18f1e4d41e650d3333cdc270c.
D 2021-04-08T19:39:00.906
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -483,7 +483,7 @@ F src/auth.c 08954fdc4cc2da5264ba5b75cfd90b67a6fc7d1710a02ccf917c38eadec77853
F src/backup.c 3014889fa06e20e6adfa0d07b60097eec1f6e5b06671625f476a714d2356513d
F src/bitvec.c 17ea48eff8ba979f1f5b04cc484c7bb2be632f33
F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
F src/btree.c 829bf06416fcc8b3ab1bca01475c82ff47d75e06b2786a0dcebc695d37ae239e
F src/btree.c 223f8a50e050f510942d3591c5c55aed7b2d0944370245b47c3c0a295e9b239e
F src/btree.h 096cc53baa58be22b02c896d1cf933c38cfc6d65f9253c1367ece8cc88a24de5
F src/btreeInt.h 7bc15a24a02662409ebcd6aeaa1065522d14b7fda71573a2b0568b458f514ae0
F src/build.c 3a63a0dd142e238247fba0c20d6321ef1a8917de7814657ad279a02d2ff6da78
@@ -1912,7 +1912,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P f375f541efee520042be83548ad96dfa889e2c349eda5db7612ac2336dd4e4f9
R 399e530b9b47e95d4c487623c13f5939
P 58f36af2271517abafa9f4a46f2a5f97e66c001675c17868282197d599603d1b
R f66b0623947ba640e8e730eba8454a06
U dan
Z a74485b8a62e83c22667a323b825dd17
Z 6c99339f28beab6b463fc646e3d6a411

2
manifest.uuid
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@@ -1 +1 @@
58f36af2271517abafa9f4a46f2a5f97e66c001675c17868282197d599603d1b
cb27ce25095ab9b5acbe4bf010c7f6d8a71191c2f79b3bf3e63d8655b4fe0769

24
src/btree.c
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@@ -8698,21 +8698,10 @@ int sqlite3BtreeInsert(
assert( (flags & (BTREE_SAVEPOSITION|BTREE_APPEND|BTREE_PREFORMAT))==flags );
assert( (flags & BTREE_PREFORMAT)==0 || seekResult || pCur->pKeyInfo==0 );
if( pCur->eState>=CURSOR_REQUIRESEEK ){
/* The cursor can be in REQUIRESEEK state when seekResult is non-zero
** only if the schema is corrupt such that there is more than one table or
** index with the same root page as used by the cursor. Which can only
** happen if the SQLITE_NoSchemaError flag was set when the schema was
** loaded. This cannot be asserted though, as a user might set the flag,
** load the schema, and then unset the flag. */
assert( pCur->eState==CURSOR_REQUIRESEEK || pCur->eState==CURSOR_FAULT );
assert( pCur->eState==CURSOR_REQUIRESEEK || pCur->skipNext!=SQLITE_OK );
if( pCur->eState==CURSOR_REQUIRESEEK ){
if( seekResult ) return SQLITE_CORRUPT_BKPT;
}else{
if( pCur->eState==CURSOR_FAULT ){
assert( pCur->skipNext!=SQLITE_OK );
return pCur->skipNext;
}
}
assert( cursorOwnsBtShared(pCur) );
assert( (pCur->curFlags & BTCF_WriteFlag)!=0
@@ -8741,6 +8730,14 @@ int sqlite3BtreeInsert(
if( pCur->curFlags & BTCF_Multiple ){
rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur);
if( rc ) return rc;
if( loc && pCur->iPage<0 ){
/* This can only happen if the schema is corrupt such that there is more
** than one table or index with the same root page as used by the cursor.
** Which can only happen if the SQLITE_NoSchemaError flag was set when
** the schema was loaded. This cannot be asserted though, as a user might
** set the flag, load the schema, and then unset the flag. */
return SQLITE_CORRUPT_BKPT;
}
}
if( pCur->pKeyInfo==0 ){
@@ -8828,7 +8825,6 @@ int sqlite3BtreeInsert(
return btreeOverwriteCell(pCur, &x2);
}
}
}
assert( pCur->eState==CURSOR_VALID
|| (pCur->eState==CURSOR_INVALID && loc)