Re: [HACKERS] found another overrun
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] found another overrun |
Дата | |
Msg-id | 199803301745.MAA15756@candle.pha.pa.us обсуждение исходный текст |
Ответ на | found another overrun (Maurice Gittens <mgittens@david.gits.nl>) |
Список | pgsql-hackers |
Patch applied. > > Hi, > This simple patch to catalog/pg_type.c fixes a buffer overrun. > It was detected by Electric Fence and triggered by statements like: > > SELECT * into table t from pg_database; > > The system would crash on a memmove call in DataFile() with arguments like this: > > memmove(0x0, 0x0, 0); > > Here's the patch. > > 320a321 > > NameData name; > 390c391,392 > < values[i++] = PointerGetDatum(typeName); /* 1 */ > --- > > namestrcpy(&name,typeName); > > values[i++] = NameGetDatum(&name); /* 1 */ > > After applying the patch the problem goes away. > > I'll try to make all the buffer overruns detected by Electric Fence > during the regression test on my Linux system go away -:). > Debugging is a nice way to learn about a system isn't it? > > With regards from Maurice. > > > -- Bruce Momjian | 830 Blythe Avenue maillist@candle.pha.pa.us | Drexel Hill, Pennsylvania 19026 + If your life is a hard drive, | (610) 353-9879(w) + Christ can be your backup. | (610) 853-3000(h)
В списке pgsql-hackers по дате отправления: