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Fix a potential assertion fault discovered by OSS-Fuzz.

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FossilOrigin-Name: 71c03b59b645884ebd6b9e18713cd2eb8c949870
This commit is contained in:
drh
2017-01-10 15:08:06 +00:00
parent e4a8b8769e
commit d9bcb32ebb
3 changed files with 12 additions and 12 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Remove\sa\sredundant\sassignment\sstatement.
D 2017-01-09T19:55:19.701
C Fix\sa\spotential\sassertion\sfault\sdiscovered\sby\sOSS-Fuzz.
D 2017-01-10T15:08:06.289
F Makefile.in 41bd4cad981487345c4a84081074bcdb876e4b2e
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc b8ca53350ae545e3562403d5da2a69cec79308da
@@ -472,7 +472,7 @@ F src/walker.c 91a6df7435827e41cff6bb7df50ea00934ee78b0
F src/where.c 6bbf9284f4f15a6fa48663d033870cc0d7f5ee66
F src/whereInt.h 2bcc3d176e6091cb8f50a30b65c006e88a73614d
F src/wherecode.c e04ac8f24c3ac8621df6c3be3ac8c7d4fa893745
F src/whereexpr.c 87ecdf24beba4498e4380b31c4131febb0a6ceaa
F src/whereexpr.c 24e452bcc36ac19130706357bbec4c1419931222
F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
F test/affinity2.test a6d901b436328bd67a79b41bb0ac2663918fe3bd
F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
@@ -1543,7 +1543,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 237aa97452e20c312f256a8fd62531e3d447f84b
R 3d5f5ba0e62157717b12def8c248d9db
P a5fa09657bd6c4ea5fe6712b0f8af2170cbe0381
R 9d11b71201b21d28f9619103dd00f618
U drh
Z 6d8150e7f23763db279bf09c6fea02eb
Z 82e96cf4e2e496f2e42165b862cbc10e

2
manifest.uuid
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@@ -1 +1 @@
a5fa09657bd6c4ea5fe6712b0f8af2170cbe0381
71c03b59b645884ebd6b9e18713cd2eb8c949870

10
src/whereexpr.c
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@@ -913,6 +913,7 @@ static void exprAnalyze(
Parse *pParse = pWInfo->pParse; /* Parsing context */
sqlite3 *db = pParse->db; /* Database connection */
unsigned char eOp2; /* op2 value for LIKE/REGEXP/GLOB */
int nLeft; /* Number of elements on left side vector */
if( db->mallocFailed ){
return;
@@ -1184,13 +1185,12 @@ static void exprAnalyze(
** is not a sub-select. */
if( pWC->op==TK_AND
&& (pExpr->op==TK_EQ || pExpr->op==TK_IS)
&& sqlite3ExprIsVector(pExpr->pLeft)
&& (nLeft = sqlite3ExprVectorSize(pExpr->pLeft))>1
&& sqlite3ExprVectorSize(pExpr->pRight)==nLeft
&& ( (pExpr->pLeft->flags & EP_xIsSelect)==0
|| (pExpr->pRight->flags & EP_xIsSelect)==0
)){
int nLeft = sqlite3ExprVectorSize(pExpr->pLeft);
|| (pExpr->pRight->flags & EP_xIsSelect)==0)
){
int i;
assert( nLeft==sqlite3ExprVectorSize(pExpr->pRight) );
for(i=0; i<nLeft; i++){
int idxNew;
Expr *pNew;