Re: [OpenAFS] gcc reading beyond end of file on AFS

[emoy]

I downloaded osi_vnodeops.c, which had a few other changes besides the memset (corrected number of arguments to osi_FlushPages()). I did have to change #include <afsincludes.h> to #include <afs/afsincludes.h>, but maybe it was moved in the latest sources as well.

Anyways, that does seem to fix the problem.

Thanks,

Edward Moy
Apple Computer, Inc.
[EMAIL PROTECTED]

(This message is from me as a reader of this list, and not a statement
from Apple.)

On Saturday, January 25, 2003, at 10:42 AM, Derrick J Brashear wrote:

On Sat, 25 Jan 2003, RD Schaffer wrote:

Hi there,

I cannot explain technically what is going on. But I understand that
this is a bug in open afs, which I found a little while ago. If you
need a working version of afs to allow builds, you can use the arla
client. (I believe they already had this problem but fixed it.) I do
not know the schedule for a bug fix for openafs, but am interested to
know as well.

Get RCS version 1.4.2.5 of src/afs/DARWIN/osi_vnodeops.c and drop it in
your tree, then rebuild the client. Alternately, apply this patch:
*** openafs/src/afs/DARWIN/osi_vnodeops.c 2002/10/16 03:58:17 1.10
--- openafs/src/afs/DARWIN/osi_vnodeops.c 2003/01/07 23:03:35 1.11
***************
*** 467,472 ****
--- 467,477 ----
}
afs_BozonUnlock(&tvc->pvnLock, tvc);
AFS_GUNLOCK();
+
+ /* Zero out rest of last page if there wasn't enough data in the file */
+ if (code == 0 && auio.uio_resid > 0)
+ memset(aiov.iov_base, 0, auio.uio_resid);
+
kernel_upl_unmap(kernel_map, pl);
if (!nocommit) {
if (code)

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