Nope. Do you mean negative offsets for the iseek argument? I didn't
know you could do that.
On Fri, Aug 25, 2017 at 10:59 AM, Conrad Meyer <c...@freebsd.org> wrote:
> Hi Alan,
>
> By any chance did you test this change with /dev/kmem and kernel
> addresses ("negative" off_t values)?
>
> Thanks,
> Conrad
>
> On Fri, Aug 25, 2017 at 8:31 AM, Alan Somers <asom...@freebsd.org> wrote:
>> Author: asomers
>> Date: Fri Aug 25 15:31:55 2017
>> New Revision: 322893
>> URL: https://svnweb.freebsd.org/changeset/base/322893
>>
>> Log:
>> dd(1): Incorrect casting of arguments
>>
>> dd(1) casts many of its numeric arguments from uintmax_t to intmax_t and
>> back again to detect whether or not the original arguments were negative.
>> This is not correct, and causes problems with boundary cases, for example
>> when count is SSIZE_MAX-1.
>>
>> PR: 191263
>> Submitted by: w...@worrbase.com
>> Reviewed by: pi, asomers
>> MFC after: 3 weeks
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