| From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |
| From: Victor Costan <pwnall@chromium.org> |
| Date: Sun, 13 Jan 2019 16:12:08 -0800 |
| Subject: [PATCH 24/30] Fix integer overflow while running PRAGMA |
| integrity_check. |
| |
| This backports https://sqlite.org/src/info/395599116d801324 |
| |
| Bug: 913235 |
| --- |
| third_party/sqlite/src/src/btree.c | 4 ++-- |
| 1 file changed, 2 insertions(+), 2 deletions(-) |
| |
| diff --git a/third_party/sqlite/src/src/btree.c b/third_party/sqlite/src/src/btree.c |
| index 1f1c9e0402c8..eb7d8d0cb6bd 100644 |
| --- a/third_party/sqlite/src/src/btree.c |
| +++ b/third_party/sqlite/src/src/btree.c |
| @@ -9414,7 +9414,7 @@ static void checkList( |
| } |
| pOvflData = (unsigned char *)sqlite3PagerGetData(pOvflPage); |
| if( isFreeList ){ |
| - int n = get4byte(&pOvflData[4]); |
| + u32 n = (u32)get4byte(&pOvflData[4]); |
| #ifndef SQLITE_OMIT_AUTOVACUUM |
| if( pCheck->pBt->autoVacuum ){ |
| checkPtrmap(pCheck, iPage, PTRMAP_FREEPAGE, 0); |
| @@ -9425,7 +9425,7 @@ static void checkList( |
| "freelist leaf count too big on page %d", iPage); |
| N--; |
| }else{ |
| - for(i=0; i<n; i++){ |
| + for(i=0; i<(int)n; i++){ |
| Pgno iFreePage = get4byte(&pOvflData[8+i*4]); |
| #ifndef SQLITE_OMIT_AUTOVACUUM |
| if( pCheck->pBt->autoVacuum ){ |
| -- |
| 2.18.0 |
| |
