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Overview
Comment: | Ensure that the sqlite3_value_text() interface returns a buffer that is long enough to hold the complete string plus the zero terminator even when the input is a zeroblob. Fix for a problem detected by OSS-Fuzz. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | branch-3.16 |
Files: | files | file ages | folders |
SHA1: |
ca185808ade195875918b5bad1762bcd |
User & Date: | drh 2017-01-05 13:52:54.033 |
Context
2017-01-05
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13:56 | Fix problems in trigger and foreign key handling when doing REPLACE on a WITHOUT ROWID table that has no secondary indexes. Fix for ticket [30027b613b4]. (check-in: 8a788594e2 user: drh tags: branch-3.16) | |
13:52 | Ensure that the sqlite3_value_text() interface returns a buffer that is long enough to hold the complete string plus the zero terminator even when the input is a zeroblob. Fix for a problem detected by OSS-Fuzz. (check-in: ca185808ad user: drh tags: branch-3.16) | |
07:58 | Ensure that the sqlite3_value_text() interface returns a buffer that is long enough to hold the complete string plus the zero terminator even when the input is a zeroblob. Fix for a problem detected by OSS-Fuzz. (check-in: 2dc7eeb5b4 user: drh tags: trunk) | |
2017-01-03
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18:27 | Version 3.16.1 (check-in: 979f043928 user: drh tags: release, version-3.16.1, branch-3.16) | |
Changes
Changes to src/vdbemem.c.
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1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 | static SQLITE_NOINLINE const void *valueToText(sqlite3_value* pVal, u8 enc){ assert( pVal!=0 ); assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) ); assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) ); assert( (pVal->flags & MEM_RowSet)==0 ); assert( (pVal->flags & (MEM_Null))==0 ); if( pVal->flags & (MEM_Blob|MEM_Str) ){ pVal->flags |= MEM_Str; if( pVal->enc != (enc & ~SQLITE_UTF16_ALIGNED) ){ sqlite3VdbeChangeEncoding(pVal, enc & ~SQLITE_UTF16_ALIGNED); } if( (enc & SQLITE_UTF16_ALIGNED)!=0 && 1==(1&SQLITE_PTR_TO_INT(pVal->z)) ){ assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 ); if( sqlite3VdbeMemMakeWriteable(pVal)!=SQLITE_OK ){ | > | 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 | static SQLITE_NOINLINE const void *valueToText(sqlite3_value* pVal, u8 enc){ assert( pVal!=0 ); assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) ); assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) ); assert( (pVal->flags & MEM_RowSet)==0 ); assert( (pVal->flags & (MEM_Null))==0 ); if( pVal->flags & (MEM_Blob|MEM_Str) ){ if( ExpandBlob(pVal) ) return 0; pVal->flags |= MEM_Str; if( pVal->enc != (enc & ~SQLITE_UTF16_ALIGNED) ){ sqlite3VdbeChangeEncoding(pVal, enc & ~SQLITE_UTF16_ALIGNED); } if( (enc & SQLITE_UTF16_ALIGNED)!=0 && 1==(1&SQLITE_PTR_TO_INT(pVal->z)) ){ assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 ); if( sqlite3VdbeMemMakeWriteable(pVal)!=SQLITE_OK ){ |
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