Installation of Oracle10g Express Edition on FreeBSD 5.4-RELEASE
Divacky Roman
xdivac02 at stud.fit.vutbr.cz
Tue Jun 27 09:11:25 UTC 2006
On Mon, Jun 26, 2006 at 01:34:51PM +0300, Dmitry Ganenko wrote:
> Saturday, June 24, 2006, 2:09:51 PM, you wrote:
>
> DR> pls, can you explain how this manifest in the oracle? I agree that this is a
> DR> bug but I am not sure why noone noticed this. the fact is that most people use
> DR> "cat /proc/x/y" and cat reads 1024 bytes in this case so this doesnt manifest
>
> Oracle XE does not start without this patch. I see in trace file that oracle
> process enumerates all running processes (/compat/linux/proc/<pid>/cmdline)
> with call of read(fd, buf, 8) and read() returns it 7 bytes, and
> oracle do it while file descriptors available. After reaching maxfilesperproc,
> oracle exit with "single instance violation error".
ok, fair enough
> DR> Index: pseudofs_vnops.c
> DR> ===================================================================
> DR> RCS file: /home/ncvs/src/sys/fs/pseudofs/pseudofs_vnops.c,v
> DR> retrieving revision 1.59
> DR> diff -u -r1.59 pseudofs_vnops.c
> DR> --- pseudofs_vnops.c 22 Feb 2006 18:57:49 -0000 1.59
> DR> +++ pseudofs_vnops.c 24 Jun 2006 11:08:59 -0000
> DR> @@ -515,7 +515,7 @@
> DR> if (uio->uio_offset < 0 || uio->uio_resid < 0 ||
> DR> (offset = uio->uio_offset) != uio->uio_offset ||
> DR> (resid = uio->uio_resid) != uio->uio_resid ||
> DR> - (buflen = offset + resid) < offset || buflen > INT_MAX) {
> DR> + (buflen = offset + resid + 1) < offset || buflen > INT_MAX) {
> DR> if (proc != NULL)
> DR> PRELE(proc);
> DR> PFS_RETURN (EINVAL);
>
> Thanks for correction. I'm from beginning said that may be I'm not
> right. :)
pls, can you test this one?
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