mindspore/third_party/patch/sqlite/CVE-2021-36690.patch

45 lines
1.8 KiB
Diff

diff -Npur sqlite-version-3.36.0/ext/expert/sqlite3expert.c sqlite-version-3.36.0-change/ext/expert/sqlite3expert.c
--- sqlite-version-3.36.0/ext/expert/sqlite3expert.c 2021-06-19 02:36:39.000000000 +0800
+++ sqlite-version-3.36.0-change/ext/expert/sqlite3expert.c 2022-09-14 23:12:47.929831193 +0800
@@ -690,11 +690,13 @@ static int idxGetTableInfo(
rc = idxPrintfPrepareStmt(db, &p1, pzErrmsg, "PRAGMA table_xinfo=%Q", zTab);
while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(p1) ){
const char *zCol = (const char*)sqlite3_column_text(p1, 1);
+ const char *zColSeq = 0;
nByte += 1 + STRLEN(zCol);
rc = sqlite3_table_column_metadata(
- db, "main", zTab, zCol, 0, &zCol, 0, 0, 0
+ db, "main", zTab, zCol, 0, &zColSeq, 0, 0, 0
);
- nByte += 1 + STRLEN(zCol);
+ if( zColSeq==0 ) zColSeq = "binary";
+ nByte += 1 + STRLEN(zColSeq);
nCol++;
nPk += (sqlite3_column_int(p1, 5)>0);
}
@@ -714,6 +716,7 @@ static int idxGetTableInfo(
nCol = 0;
while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(p1) ){
const char *zCol = (const char*)sqlite3_column_text(p1, 1);
+ const char *zColSeq = 0;
int nCopy = STRLEN(zCol) + 1;
pNew->aCol[nCol].zName = pCsr;
pNew->aCol[nCol].iPk = (sqlite3_column_int(p1, 5)==1 && nPk==1);
@@ -721,12 +724,13 @@ static int idxGetTableInfo(
pCsr += nCopy;
rc = sqlite3_table_column_metadata(
- db, "main", zTab, zCol, 0, &zCol, 0, 0, 0
+ db, "main", zTab, zCol, 0, &zColSeq, 0, 0, 0
);
if( rc==SQLITE_OK ){
- nCopy = STRLEN(zCol) + 1;
+ if( zColSeq==0 ) zColSeq = "binary";
+ nCopy = STRLEN(zColSeq) + 1;
pNew->aCol[nCol].zColl = pCsr;
- memcpy(pCsr, zCol, nCopy);
+ memcpy(pCsr, zColSeq, nCopy);
pCsr += nCopy;
}