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Overview
| Comment: | Fix possible integer overflow in bounds checking for the debugging function "shell_int32()" found in the CLI. This change does not affect the core SQLite. Forum post be9c294ee0. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
6211471138a654641a4cf4831cfa3b47 |
| User & Date: | drh 2023-03-24 21:35:48 |
Context
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2023-03-24
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| 22:17 | Remove undocumented, vestigial SQL functions in the CLI that were once used for the ".recover" command but are now no longer needed. (check-in: 1ef461aa user: drh tags: trunk) | |
| 21:35 | Fix possible integer overflow in bounds checking for the debugging function "shell_int32()" found in the CLI. This change does not affect the core SQLite. Forum post be9c294ee0. (check-in: 62114711 user: drh tags: trunk) | |
| 21:24 | Fix an error in the OP_SeekScan opcode added by check-in [4a43430fd23f8835]. Problem reported by forum post 8cc1dc0fe9. (check-in: 651a13fc user: drh tags: trunk) | |
Changes
Changes to src/shell.c.in.
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5126 5127 5128 5129 5130 5131 5132 | int iInt; UNUSED_PARAMETER(argc); nBlob = sqlite3_value_bytes(argv[0]); pBlob = (const unsigned char*)sqlite3_value_blob(argv[0]); iInt = sqlite3_value_int(argv[1]); | | | 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 |
int iInt;
UNUSED_PARAMETER(argc);
nBlob = sqlite3_value_bytes(argv[0]);
pBlob = (const unsigned char*)sqlite3_value_blob(argv[0]);
iInt = sqlite3_value_int(argv[1]);
if( iInt>=0 && iInt<(nBlob/4) ){
const unsigned char *a = &pBlob[iInt*4];
sqlite3_int64 iVal = ((sqlite3_int64)a[0]<<24)
+ ((sqlite3_int64)a[1]<<16)
+ ((sqlite3_int64)a[2]<< 8)
+ ((sqlite3_int64)a[3]<< 0);
sqlite3_result_int64(context, iVal);
}
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| ︙ | ︙ |