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Overview
| Comment: | Add a test case to verify that the previous change avoids excess buffer overread in sqlite3VdbeRecordCompare(). |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
2b28e8d582cf10936fa1faca04a16ca2 |
| User & Date: | drh 2014-03-26 15:05:56 |
Context
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2014-03-26
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| 16:22 | Fix a potential buffer overread that could have occurred when searching a corrupt database file. check-in: db293547 user: drh tags: branch-3.8.4 | |
| 15:14 | Add an extra test case for the potential buffer overread patched by [28ddecff04]. check-in: f585f5d7 user: dan tags: trunk | |
| 15:05 | Add a test case to verify that the previous change avoids excess buffer overread in sqlite3VdbeRecordCompare(). check-in: 2b28e8d5 user: drh tags: trunk | |
| 14:51 | Earlier detection of corruption in sqlite3VdbeRecordCompare() in order to avoid a potential buffer overread. check-in: 28ddecff user: drh tags: trunk | |
Changes
Changes to test/corruptI.test.
28 28 # Initialize the database. 29 29 # 30 30 do_execsql_test 1.1 { 31 31 PRAGMA page_size=1024; 32 32 PRAGMA auto_vacuum=0; 33 33 CREATE TABLE t1(a); 34 34 CREATE INDEX i1 ON t1(a); 35 - INSERT INTO t1 VALUES('a'); 35 + INSERT INTO t1 VALUES('abcdefghijklmnop'); 36 36 } {} 37 37 db close 38 38 39 39 do_test 1.2 { 40 40 set offset [hexio_get_int [hexio_read test.db [expr 2*1024 + 8] 2]] 41 41 set off [expr 2*1024 + $offset + 1] 42 - hexio_write test.db $off FF06 42 + hexio_write test.db $off 7f06 43 + sqlite3 db test.db 44 + catchsql { SELECT * FROM t1 WHERE a = 10 } 45 +} {0 {}} 46 + 47 +do_test 1.3 { 48 + db close 49 + set offset [hexio_get_int [hexio_read test.db [expr 2*1024 + 8] 2]] 50 + set off [expr 2*1024 + $offset + 1] 51 + hexio_write test.db $off FFFF7f02 43 52 sqlite3 db test.db 44 53 catchsql { SELECT * FROM t1 WHERE a = 10 } 45 54 } {0 {}} 46 55 47 56 48 57 finish_test