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Description of problem:
pppd sets various environment variables before calling ip-down script. Unfortunately these can sometimes show faulty values because of integer wrap.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1.create /etc/ppp/ip-down.local script using $BYTES_SENT
2.run pppd over a link for a long time
Actual Results: BYTES_SENT most probably wont be correct
CONNECT_TIME might show negative minutes.
Expected Results: BYTES_SENT should always be number of bytes sent.
Created attachment 121430 [details]
Extends size of stats variables and corrects negative minutes
One day the kernel driver will keep stats in __u64. When that happens pppd
will be ready.
This report targets the FC3 or FC4 products, which have now been EOL'd.
Could you please check that it still applies to a current Fedora release, and
either update the target product or close it ?
Wouldn't it just be easier to check it out yourself?
I have submitted the patch. See if the patch works (on FC4) then see if it
works on latest release.
I have ALREADY SOLVED A PROBLEM and have been generous enough to let other
people know by submitting a patch.
IT IS UP TO OTHER PEOPLE to decide whether they want this patch. Don't throw it
back at me after REFUSING TO BOTHER LOOKING AT IT AND ASSESSING IT.
Fedora Core 4 is now completely unmaintained. These bugs can't be fixed in that
version. If the issue still persists in current Fedora Core, please reopen.
Thank you, and sorry about this.
Applicable to Fedora Core 6. Sorry about this.
Are you sure about the patch?
- int t = (link_connect_time + 5) / 6; /* 1/10ths of minutes */
+ unsigned int t = (link_connect_time + 5) / 6; /* 1/10ths of minutes */
I don't think this is necessary.
- info("Connect time %d.%d minutes.", t/10, t%10);
+ info("Connect time %u.%u minutes.", t/10, t%10);
This as well.
- link_stats.bytes_out, link_stats.bytes_in);
+ (int)link_stats.bytes_out, (int)link_stats.bytes_in);
Didn't you meant to cast these to unsigned? And it would be better if we
wouldn't have to cast them in the first place..
Also, does the patch do any good at all since the kernel uses __u32 (equivalent
to unsigned int on most architectures)?
You need to understand how %u and %d work.
They don't know the type (unsigned/signed) of their argument.
And it doesn't matter what the kernel uses. Again you have to understand how
Do you understand how %d/%u work in printf-like info?
But in any case the patch fixes the problem. And all of the patch content is
necessary to stop incorrect display of values.
Have you also tried and tested this patch against 2.4.4? If yes, it would be
very cool of you if you could attach the new patch (well, at least the offsets
would be corrected).
Fedora apologizes that these issues have not been resolved yet. We're
sorry it's taken so long for your bug to be properly triaged and acted
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