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Overview
Comment: | Fix a buffer overread in fts5. |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
0e3de8abbb0c7ae64e637776cb055ce7 |
User & Date: | dan 2018-07-25 15:25:55 |
Context
2018-07-26
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21:48 | In the unix VFS, give every unixInodeInfo object its own mutex, rather than using the global VFS mutex, to improve concurrency in cases where there are many threads operating on separate database files. (check-in: 22f47cf4 user: drh tags: trunk) | |
21:16 | Initial implementation of the WHERE-clause constant propagation optimization. (check-in: 2fb82ad8 user: drh tags: propagate-const-opt) | |
2018-07-25
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15:25 | Fix a buffer overread in fts5. (check-in: 0e3de8ab user: dan tags: trunk) | |
15:12 | Keep generated opcode values grouped together when required, even when they do not correspond to a token. (check-in: 6ee2950b user: mistachkin tags: trunk) | |
Changes
Changes to ext/fts5/fts5_index.c.
︙ | ︙ | |||
5257 5258 5259 5260 5261 5262 5263 | int nChar ){ int n = 0; int i; for(i=0; i<nChar; i++){ if( n>=nByte ) return 0; /* Input contains fewer than nChar chars */ if( (unsigned char)p[n++]>=0xc0 ){ | | > > > | 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 | int nChar ){ int n = 0; int i; for(i=0; i<nChar; i++){ if( n>=nByte ) return 0; /* Input contains fewer than nChar chars */ if( (unsigned char)p[n++]>=0xc0 ){ while( (p[n] & 0xc0)==0x80 ){ n++; if( n>=nByte ) break; } } } return n; } /* ** pIn is a UTF-8 encoded string, nIn bytes in size. Return the number of |
︙ | ︙ |
Added ext/fts5/test/fts5unicode4.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | # 2018 July 25 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # # source [file join [file dirname [info script]] fts5_common.tcl] set testprefix fts5unicode4 # If SQLITE_ENABLE_FTS5 is defined, omit this file. ifcapable !fts5 { finish_test return } do_execsql_test 1.0 { CREATE VIRTUAL TABLE sss USING fts5(a, prefix=3); } do_execsql_test 1.1 { INSERT INTO sss VALUES('γΎγγ'); } finish_test |