> 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.
> > NameData name;
> < 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(at)candle(dot)pha(dot)pa(dot)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)
In response to
pgsql-hackers by date
|Next:||From: Paul Raines||Date: 1998-03-30 17:54:50|
|Subject: Re: Let's talk up 6.3|
|Previous:||From: Bruce Momjian||Date: 1998-03-30 17:35:20|
|Subject: Re: [HACKERS] Re: [PORTS] Pgaccess doesn't run on -current anymore, Update (fwd)|