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Fix a one-byte buffer overread that may follow a syntax error while preparing an SQL statement.

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FossilOrigin-Name: 075003930da98419f671b7833a5850693529fb62
This commit is contained in:
dan
2015-05-26 18:58:57 +00:00
parent ea93c7005d
commit 584390e8dd
4 changed files with 18 additions and 13 deletions
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2
src/tokenize.c
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@@ -450,7 +450,7 @@ int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzErrMsg){
}
abort_parse:
assert( nErr==0 );
if( zSql[i]==0 && pParse->rc==SQLITE_OK && db->mallocFailed==0 ){
if( pParse->rc==SQLITE_OK && db->mallocFailed==0 && zSql[i]==0 ){
if( lastTokenParsed!=TK_SEMI ){
sqlite3Parser(pEngine, TK_SEMI, pParse->sLastToken, pParse);
pParse->zTail = &zSql[i];