Date: Tue, 24 Oct 2006 13:00:44 GMT From: Maxim Konovalov <maxim@macomnet.ru> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/104747: read of data Message-ID: <200610241300.k9OD0isY080865@freefall.freebsd.org>
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The following reply was made to PR misc/104747; it has been noted by GNATS. From: Maxim Konovalov <maxim@macomnet.ru> To: Vladimir <worms@inbox.ru> Cc: bug-followup@freebsd.org Subject: Re: misc/104747: read of data Date: Tue, 24 Oct 2006 16:58:02 +0400 (MSD) On Tue, 24 Oct 2006, 12:35-0000, Vladimir wrote: > > >Number: 104747 > >Category: misc > >Synopsis: read of data > >Confidential: no > >Severity: serious > >Priority: high > >Responsible: freebsd-bugs > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Tue Oct 24 12:40:15 GMT 2006 > >Closed-Date: > >Last-Modified: > >Originator: Vladimir > >Release: 5.X 6.X > >Organization: > Alpenbau > >Environment: > DDoS > >Description: > /* FreeBSD cvs commit: src/sys/ufs/ufs/ufs_vnops.c maxim 2006-05-31 13:15:29 UTC > Log: According to POSIX, the result of ftruncate(2) is unspecified > for file types other than VREG, VDIR and shared memory objects. > We already handle VREG, VLNK and VDIR cases. Silently ignore > truncate requests for all the rest. PR kern/98064 > it out in '06 !"#%&%(20061013)(="#"! > tested on FreeBSD 6.0-RELEASE-p5, 6.1-RELEASE-p10 (latest at the time of writing) - it just makes the system reboot, and with a bit of luck fucks up the filesystem. that sort of makes this 0day local freebsd denial of service for non-CURRENT or whatever. > usage: ./run me > */ We fixed this bug in HEAD, RELENG_6 and therefore in upcoming 6.2-RELEASE. Could you please clarify your point a bit more? -- Maxim Konovalov
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