sizeof - kernel modules

Peter Robinson pbrobinson at gmail.com
Tue Jun 16 21:31:54 UTC 2015


On Tue, Jun 16, 2015 at 10:26 PM, Dennis Gilmore <dennis at ausil.us> wrote:
> On Tuesday, June 16, 2015 02:17:10 PM Mark Wielaard wrote:
>> On Tue, 2015-06-16 at 00:20 +0200, Mark Wielaard wrote:
>> > Simplest probably is to just revert this one patch and do a elfutils
>> > 0.163 release with just that (and the translation updates). The issue
>> > that this was preventing (disk full with ELF_C_RDWR_MMAP, ftruncate
>> > appear to succeed, write in memory map causes SIGBUS) is probably less
>> > likely to trigger than this regression.
>>
>> Even simpler is to always just (also) call ftruncate to set the right
>> file size. Which is what the attached patch does. It also includes some
>> test cases to check in-place-eu-strip actually reduces the file size.
>>
>> I'll update the elfutils fedora package so there is a fix right now. But
>> unless people complain I would like to just make a 0.163 release end of
>> the week with this fix and any other urgent fixes because I think this
>> is a somewhat bad regression and we should urge people to not just
>> patch, but to upgrade to a known good version.
>
> We need this fixed for the mass rebuild that is due to start right now. so
> please apply the patch ASAP and let me know so I can start the rebuild

It's already applied in NVR elfutils-0.162-2.fc23

http://koji.fedoraproject.org/koji/buildinfo?buildID=646258


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