Protect access to the WhereLoop.u union using nearby assert()s and
branches. FossilOrigin-Name: bdd840216cc4c5293c112f182a189f7562b3cc0f6270e3c4af5eb2e8bd61ccc9
This commit is contained in:
parent
bc98f904e3
commit
0475629d47
16
manifest
16
manifest
@ -1,5 +1,5 @@
|
||||
C Update\srequirement\smarks.\s\sNo\schanges\sto\scode.
|
||||
D 2021-10-14T17:30:32.382
|
||||
C Protect\saccess\sto\sthe\sWhereLoop.u\sunion\susing\snearby\sassert()s\sand\nbranches.
|
||||
D 2021-10-14T19:28:28.548
|
||||
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
|
||||
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
|
||||
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
|
||||
@ -636,9 +636,9 @@ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
|
||||
F src/wal.c 2be08331d798237ad5d7ae0b252700ffb2b63189cb18d993496d009a93e2f81c
|
||||
F src/wal.h c3aa7825bfa2fe0d85bef2db94655f99870a285778baa36307c0a16da32b226a
|
||||
F src/walker.c f890a3298418d7cba3b69b8803594fdc484ea241206a8dfa99db6dd36f8cbb3b
|
||||
F src/where.c 85109b6c33b83b9b93139a1eea633cf1dfdc1c43a0b45192cf7e8d85dd209bc8
|
||||
F src/whereInt.h 9248161dd004f625ce5d3841ca9b99fed3fc8d61522cf76340fc5217dbe1375b
|
||||
F src/wherecode.c 0bb4a2a82fc9ccfce105fb2ff2921de373c62aa60c770029f95bd8b685f3498a
|
||||
F src/where.c 782d333e2102eaf965d42d7835672bd851b933c8b7b1e2d1e53213a746acaa3d
|
||||
F src/whereInt.h 83877a75a1bce056ea44aff02f1dfa958ad1d6038c213ddadb8652003b45151d
|
||||
F src/wherecode.c 5a7d3c80d32a81c6d8a26e0d8554d3b61fcb4d94ae5b0809766080f95b1592a5
|
||||
F src/whereexpr.c 4514a162d878b6523a698fac1d760991b5728be0d7e2b2b0687aa175144dcf15
|
||||
F src/window.c 0dff6fedf61493490d21ced5d7a7b4321d4c0db6c8123f0179c46080a860850a
|
||||
F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
|
||||
@ -1929,7 +1929,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
|
||||
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
|
||||
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
|
||||
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
|
||||
P e944d71760e3ee3de5dd518a04dad54d66ae4d40dac172b64d16c508471e30a1
|
||||
R 8aff759bdf7f5121e0e5f9e0e8dbf377
|
||||
P 3a6887a543ac348d1a0d4b7f54b13c9dae929c3fa3408c5a44420943ba8c116f
|
||||
R 673443d76cb12f9ee8ca0ee572ac630d
|
||||
U drh
|
||||
Z fd0ac77d8c1083b5757fad84014925e1
|
||||
Z cceb5778afe29939367351c58384fb04
|
||||
|
@ -1 +1 @@
|
||||
3a6887a543ac348d1a0d4b7f54b13c9dae929c3fa3408c5a44420943ba8c116f
|
||||
bdd840216cc4c5293c112f182a189f7562b3cc0f6270e3c4af5eb2e8bd61ccc9
|
11
src/where.c
11
src/where.c
@ -1984,7 +1984,8 @@ static void whereInfoFree(sqlite3 *db, WhereInfo *pWInfo){
|
||||
assert( pWInfo!=0 );
|
||||
for(i=0; i<pWInfo->nLevel; i++){
|
||||
WhereLevel *pLevel = &pWInfo->a[i];
|
||||
if( pLevel->pWLoop && (pLevel->pWLoop->wsFlags & WHERE_IN_ABLE) ){
|
||||
if( pLevel->pWLoop && (pLevel->pWLoop->wsFlags & WHERE_IN_ABLE)!=0 ){
|
||||
assert( (pLevel->pWLoop->wsFlags & WHERE_MULTI_OR)==0 );
|
||||
sqlite3DbFree(db, pLevel->u.in.aInLoop);
|
||||
}
|
||||
}
|
||||
@ -5473,7 +5474,7 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
|
||||
}else{
|
||||
sqlite3VdbeResolveLabel(v, pLevel->addrCont);
|
||||
}
|
||||
if( pLoop->wsFlags & WHERE_IN_ABLE && pLevel->u.in.nIn>0 ){
|
||||
if( (pLoop->wsFlags & WHERE_IN_ABLE)!=0 && pLevel->u.in.nIn>0 ){
|
||||
struct InLoop *pIn;
|
||||
int j;
|
||||
sqlite3VdbeResolveLabel(v, pLevel->addrNxt);
|
||||
@ -5542,10 +5543,10 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
|
||||
sqlite3VdbeAddOp1(v, OP_NullRow, pLevel->iTabCur);
|
||||
}
|
||||
if( (ws & WHERE_INDEXED)
|
||||
|| ((ws & WHERE_MULTI_OR) && pLevel->u.pCovidx)
|
||||
|| ((ws & WHERE_MULTI_OR) && pLevel->u.pCoveringIdx)
|
||||
){
|
||||
if( ws & WHERE_MULTI_OR ){
|
||||
Index *pIx = pLevel->u.pCovidx;
|
||||
Index *pIx = pLevel->u.pCoveringIdx;
|
||||
int iDb = sqlite3SchemaToIndex(db, pIx->pSchema);
|
||||
sqlite3VdbeAddOp3(v, OP_ReopenIdx, pLevel->iIdxCur, pIx->tnum, iDb);
|
||||
sqlite3VdbeSetP4KeyInfo(pParse, pIx);
|
||||
@ -5626,7 +5627,7 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
|
||||
if( pLoop->wsFlags & (WHERE_INDEXED|WHERE_IDX_ONLY) ){
|
||||
pIdx = pLoop->u.btree.pIndex;
|
||||
}else if( pLoop->wsFlags & WHERE_MULTI_OR ){
|
||||
pIdx = pLevel->u.pCovidx;
|
||||
pIdx = pLevel->u.pCoveringIdx;
|
||||
}
|
||||
if( pIdx
|
||||
&& !db->mallocFailed
|
||||
|
@ -78,7 +78,7 @@ struct WhereLevel {
|
||||
u8 eEndLoopOp; /* IN Loop terminator. OP_Next or OP_Prev */
|
||||
} *aInLoop; /* Information about each nested IN operator */
|
||||
} in; /* Used when pWLoop->wsFlags&WHERE_IN_ABLE */
|
||||
Index *pCovidx; /* Possible covering index for WHERE_MULTI_OR */
|
||||
Index *pCoveringIdx; /* Possible covering index for WHERE_MULTI_OR */
|
||||
} u;
|
||||
struct WhereLoop *pWLoop; /* The selected WhereLoop object */
|
||||
Bitmask notReady; /* FROM entries not usable at this level */
|
||||
|
@ -567,8 +567,8 @@ static int codeEqualityTerm(
|
||||
sqlite3VdbeAddOp2(v, bRev ? OP_Last : OP_Rewind, iTab, 0);
|
||||
VdbeCoverageIf(v, bRev);
|
||||
VdbeCoverageIf(v, !bRev);
|
||||
assert( (pLoop->wsFlags & WHERE_MULTI_OR)==0 );
|
||||
|
||||
assert( (pLoop->wsFlags & WHERE_MULTI_OR)==0 );
|
||||
pLoop->wsFlags |= WHERE_IN_ABLE;
|
||||
if( pLevel->u.in.nIn==0 ){
|
||||
pLevel->addrNxt = sqlite3VdbeMakeLabel(pParse);
|
||||
@ -1430,7 +1430,12 @@ Bitmask sqlite3WhereCodeOneLoopStart(
|
||||
pLevel->p1 = iCur;
|
||||
pLevel->op = pWInfo->eOnePass ? OP_Noop : OP_VNext;
|
||||
pLevel->p2 = sqlite3VdbeCurrentAddr(v);
|
||||
iIn = pLevel->u.in.nIn;
|
||||
assert( (pLoop->wsFlags & WHERE_MULTI_OR)==0 );
|
||||
if( pLoop->wsFlags & WHERE_IN_ABLE ){
|
||||
iIn = pLevel->u.in.nIn;
|
||||
}else{
|
||||
iIn = 0;
|
||||
}
|
||||
for(j=nConstraint-1; j>=0; j--){
|
||||
pTerm = pLoop->aLTerm[j];
|
||||
if( (pTerm->eOperator & WO_IN)!=0 ) iIn--;
|
||||
@ -2319,7 +2324,10 @@ Bitmask sqlite3WhereCodeOneLoopStart(
|
||||
}
|
||||
}
|
||||
ExplainQueryPlanPop(pParse);
|
||||
pLevel->u.pCovidx = pCov;
|
||||
assert( pLevel->pWLoop==pLoop );
|
||||
assert( (pLoop->wsFlags & WHERE_MULTI_OR)!=0 );
|
||||
assert( (pLoop->wsFlags & WHERE_IN_ABLE)==0 );
|
||||
pLevel->u.pCoveringIdx = pCov;
|
||||
if( pCov ) pLevel->iIdxCur = iCovCur;
|
||||
if( pAndExpr ){
|
||||
pAndExpr->pLeft = 0;
|
||||
|
Loading…
Reference in New Issue
Block a user