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| wgrant | apw: Could you be convinced to include "s390/kernel: fix ptrace peek/poke for floating point registers" (55a423b) in the next xenial kernel? Fixes a panic we ran into on the buildds today. | 10:43 |
|---|---|---|
| wgrant | (tested by building gdb; the panic was first seen in its test suite) | 10:43 |
| apw | wgrant, yep, i see from your ppa that that is a backport? do you have the one you have tested, oculd you email it to me and i'll apply it | 10:44 |
| apw | wgrant, and if there is a bug number wang it in here | 10:45 |
| wgrant | apw: I haven't filed a bug, can do so in a bit if you need. The backport is trivial, but will find a patch. | 10:46 |
| wgrant | apw: http://paste.ubuntu.com/13665866/ is the diff. | 10:49 |
| wgrant | Looks identical to the git diff for me, but it didn't apply directly. Possibly line numbers too far off or something. | 10:49 |
| wgrant | Except they're the same. | 10:50 |
| wgrant | Weird. | 10:50 |
| apw | ack thanks | 11:22 |
| apw | wgrant, ok it cherry-picked for me, so ... wierd | 11:24 |
| apw | and that ... i recon ... is a cve if "overwrites the task structure" | 11:26 |
| apw | is correct | 11:26 |
| wgrant | apw: Oh yeah, it's totally exploitable. | 11:26 |
| wgrant | I probably just misapplied it, I was rushing. | 11:26 |
| apw | given we have a bad s390x package split as well pending on tip | 11:27 |
| apw | i think we should get that uploaded sooner rather than later | 11:27 |
| apw | though i would like this 4.3 to go out at least | 11:27 |
| apw | i assume this is affecting the bootstrap of main though .. right ? | 11:27 |
| wgrant | I have it installed on one buildd (z13-008), and it's only affected gdb so far. | 11:28 |
| wgrant | main is built, apart from various unrelated FTBFSes. | 11:28 |
| wgrant | I just manually threw gdb at the one with the fixed kernel. | 11:28 |
| apw | so you goosed gdb thorught hte fixed one, right | 11:28 |
| apw | ok then i will let this one migrate, i should have the final testing ok in about 2 hours | 11:28 |
| wgrant | Yep. | 11:28 |
| wgrant | Not super urgent. | 11:28 |
| apw | then i'll get this one uploaded | 11:28 |
| xnox | apw, yo =) | 15:54 |
| apw | xnox, hi | 15:54 |
| xnox | totally forgot, could you please cherrypick a patch that prevents buildds blowing up, on funny PIE builds? =) | 15:54 |
| xnox | apw, unless one of the other engineers already talked to you about it | 15:54 |
| apw | "s390/kernel: fix ptrace peek/poke for floating point registers" | 15:55 |
| apw | xnox, ^^ that ? | 15:55 |
| xnox | apw, yes that. | 15:55 |
| apw | xnox, is picked and will be in the next upload, i was under the impression only gdb had hit it thus far and had been handled ? | 15:55 |
| xnox | apw, yeah, wgrant quickly built a kernel and upgraded buildd8, so buildd 8 is a good one =) | 15:56 |
| xnox | but having that in the next kernel would be dandy. thank you =) | 15:56 |
| apw | heh is that why she is offline, held for special projects | 15:56 |
| apw | xnox, that and your split to make linux-virtual work are on deck for the next upload | 15:57 |
| xnox | apw, brilliant. | 15:58 |
| rtg | apw, I could turn the crank on that as soon as -1.10 is promoted | 16:04 |
| apw | yep, i've dropped the tag, just waiting | 16:04 |
| rtg | otherwise it might be a few days | 16:04 |
| apw | should be done within the hour in theory | 16:05 |
| apw | because you know friday is a classy day to release a kernel | 16:05 |
| rtg | apw, I'll check back in a bit | 16:05 |
| rtg | especially a new kernel release | 16:05 |
| apw | perhaps we should have waited till monday | 16:06 |
| rtg | apw, this way we'll have plenty of email to deal with first thing Monday morning | 16:12 |
| apw | rtg, i might be able to catch it before it copies out | 16:13 |
| rtg | apw, oh, let it go. I think its pretty stable | 16:14 |
| rtg | apw, after all, its got the cking stamp of approval | 16:14 |
| apw | yeah : | 16:15 |
| apw | :) | 16:15 |
| apw | who upgrades over teh weekend anyhow, thats a silly idea | 16:15 |
| cking | release often I say | 16:16 |
| apw | yeah i'd like it to be a lot cheaper to update but its really not | 16:17 |
| cristian_c | jsalisbury: hello | 16:54 |
| jsalisbury | cristian_c, hello. I haven't had much time to look into the new issues yet. It sounds like the regression is now fixed for you? | 16:55 |
| cristian_c | jsalisbury: yes, as I've stated in launchpad report | 16:56 |
| jsalisbury | cristian_c, ok. I'll make some time to look at the other issue | 16:56 |
| cristian_c | jsalisbury: I've got a question | 16:57 |
| jsalisbury | cristian_c, sure | 16:57 |
| cristian_c | jsalisbury: last time, I've read fix went in 4.3-rc2 | 16:58 |
| jsalisbury | cristian_c, the fix for the regression? or the fix for the new issue? | 16:59 |
| cristian_c | jsalisbury: but I've noticed that regression is disappeared already in 4.2.0-18 | 16:59 |
| cristian_c | jsalisbury: about regression | 16:59 |
| jsalisbury | cristian_c, the fix was cc'd to upstream stable, so it's eventually going to make it's way into all the stable kernels | 16:59 |
| cristian_c | 4.2.0-16 is default kernel in 15.10 | 16:59 |
| cristian_c | after first updates, kernel goes to 4.2.0-18 version number | 17:00 |
| cristian_c | jsalisbury: so, where can I find the commit (if it's public) | 17:01 |
| cristian_c | ? | 17:01 |
| jsalisbury | cristian_c, this is the commit: | 17:02 |
| jsalisbury | commit 8a1513b49321e503fd6c8b6793e3b1f9a8a3285b | 17:02 |
| jsalisbury | Author: Kyle Evans <kvans32@gmail.com> | 17:02 |
| jsalisbury | Date: Fri Sep 11 10:40:17 2015 -0500 | 17:02 |
| jsalisbury | hp-wmi: limit hotkey enable | 17:02 |
| cristian_c | ok, thank you very much | 17:02 |
| jsalisbury | cristian_c, you can get it out of linus' tree or any of the stable trees, but it will have a different SHA1 | 17:03 |
| jsalisbury | in the stable trees | 17:03 |
| cristian_c | ok | 17:03 |
| ccope | when do updates from the upstream kernel get backported to LTS kernel backport packages? | 23:20 |
| ccope | specifically, I need https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=0480334 in linux-image-generic-lts-utopic for trusty | 23:21 |
| henrix | ccope: hmm... i see. so, that commit is meant to be applied to stable kernels >= v3.18, thus it will never be applied to the corresponding stable kernel (3.16.7-ckt) | 23:26 |
| henrix | ccope: however, the utopic kernel actually backported overlayfs so that commit may actually be applicable to that kernel | 23:27 |
| henrix | ccope: my suggestion would be to open a bug against that kernel, requesting that specific commit to be included | 23:29 |
| henrix | (feel free to assign that bug to me ;-) ) | 23:29 |
| ccope | henrix, ok cool, thanks! | 23:31 |
| ccope | henrix, i'm unable to assign you but the bug is here: https://bugs.launchpad.net/ubuntu/+source/linux-lts-utopic/+bug/1523000 | 23:55 |
| ubot5 | Ubuntu bug 1523000 in linux-lts-utopic (Ubuntu) "writing files larger than 2GB to overlayfs fails" [Undecided,New] | 23:55 |
| henrix | ccope: ack, thanks. i'll assign it to myself later | 23:59 |
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