From: Dan Carpenter <dan.carpenter@oracle.com>
To: kernel-janitors@vger.kernel.org
Subject: Re: [bug report] lib/vdso: Provide generic VDSO implementation
Date: Thu, 27 Jun 2019 09:07:34 +0000 [thread overview]
Message-ID: <20190627090734.GD5715@kadam> (raw)
In-Reply-To: <20190627071521.GA22903@mwanda>
On Thu, Jun 27, 2019 at 09:58:18AM +0100, Vincenzo Frascino wrote:
> > 119 fallback:
> > 120 return clock_gettime_fallback(clock, (struct __kernel_timespec *)res);
> > ^^^
> > On x86 this "res" always gets dereferenced.
> >
> > 121 }
> >
>
> I am not sure I understand the details of this bug report. As far as I can see
> "res" is never dereferenced in the vDSO library in this case, but it is passed
> to the system call unchanged.
>
Oh yeah. Sorry. My bad. False positive. clock_gettime_fallback()
doesn't necessarily dereference "res".
regards,
dan carpenter
next prev parent reply other threads:[~2019-06-27 9:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-27 7:15 [bug report] lib/vdso: Provide generic VDSO implementation Dan Carpenter
2019-06-27 7:18 ` Dan Carpenter
2019-06-27 8:58 ` Vincenzo Frascino
2019-06-27 9:07 ` Dan Carpenter [this message]
2019-06-27 9:09 ` Vincenzo Frascino
2019-06-27 10:26 ` walter harms
2019-06-27 10:33 ` Dan Carpenter
2019-06-27 10:36 ` Vincenzo Frascino
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