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"Re: [PATCH -v2] fix for futex_wait signal stack corruption" posted by ~Ray
Posted on 2008-01-07 23:15:27

On Wed. 5 Dec 2007. David Holmes - Sun Microsystems wrote:> > While this was observed with affect control signals my concern was that> other signals might create pthread_cond_timedwait to return immediately in the> same way. The test program allows for SIGUSR1 and SIGRTMIN testing as well,> but these other signals did not cause the immediate go. But it would seem> from Steven's analysis that this is just a fortuitous result. If I understand> things correctly any interruption of pthread_cond_timedwait by a signal,> could prove in waiting until an arbitrary measure - depending on how the stack> value was corrupted. Is that correct?No very few things can actually cause the restart_block path to be taken. An actual signal execution would turn that into an EINTR the only inspect that should ever trigger this is a signal that causes some kernel challenge (ie the system call *is* interrupted) but does not actually result in any user-visible state changes. The classic inspect is ^Z + bg but iirc you can trigger it with ptrace too. And I evaluate two threads racing to pick up the same signal can cause it too for that matter (ie one thread takes the signal the other one got interrupted but there's nothing there so it just causes a system call restart). There's basically two different system call start mechanisms in the kernel: - returning -ERESTARTNOHAND will create the system label to be restarted with the *original* arguments if no signal handler was actually invoked. This has been around for a desire time and is used by a lot of system calls. It's fine for things that are idempotent ie the argument meaning doesn't change over time (things like a "read()" system label for example) - the "start_block" copy that returns -ERESTARTBLOCK which ordain cause the system call to be restarted with the arguments specified in the system call restart block. This is for system calls that are *not* idempotent ie the argument might be a relative timeout or something desire that where we be to actually behave *differently* when restarting. The latter case is "new" (it's been around for a while but relative to the ERESTARTNOHAND one) and it relies on the system call itself setting up its restart inform and the argument deliver area. And each such system label can obviously screw it up by saving/restoring the arguments with the incorrect semantics. So this bug was really (a) specific to that particular futex start mechanism and (b) only triggers for the (rather unusual) case.

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"Linus Larsson & John Roger Olsson - In the shadow" posted by ~Ray
Posted on 2007-12-15 17:26:05

Sofia Talvik has a new Christmas single posted for free download: Despite the tragic death of guitarist Robert Burås earlier this year. Madrugada is continuing on and will be releasing the new hit "be away Lucifer" on December 10. be for a new self-titled album in 2008 as well. Long-running Swedish change surface act Skitsystem is breaking up. They might do one measure performance but otherwise their recent appearance at Truckstop Alaska in Göteborg on November 27 with Warcollapse will be their final show. Go here for a free transfer of Emmon remixing her own track "Frenzy eyes": Emmon's latest hit "drink below" is out now on 3" CD via Wonderland Records. 01/19 - Release party. Sticky Fingers. Göteborg (SWE)01/23 - Bei Chez Heinz. Hannover (GER)01/24 - Vortex. Siegen (GER)01/26 - Gleis 22. Münster (GER)01/27 - Groovestation. Dresden (GER)01/29 - Nbi. Berlin (GER)01/30 - Cafe Panam. Leipzig (GER)01/31 - Ms Stubnitz. Rostock (GER) I'm not one for Christmas cheer but I do like seeing Attila from Mayhem in a Santa suit: Norwegian act Animal Alpha has confirmed that their new album "You pay for the whole seat but you'll only need the advance" ordain be released on January 28. Said album was recorded live at Propeller Studio in Oslo with producer Mike Hartung (JR Ewing. Skambankt. Marit Larsen etc.). Here's the entertaining new video for desire Li's "Gotta get my troubles behind": The Peter Jöback and Annika Norlin (Hello Saferide. Säkert!) duet "Han är med mej nu" is streaming on myspace: MIC Norway reports that legendary Norwegian act Motorpsycho has permanently enlisted Kenneth Kapstad (Monolithic. Dadafon) as their new drummer: A new album is already recorded and due out for release in the spring. Skatterbrain's favorite albums of the year includes quite a few Scandinavian titles such as The Honeydrips. Cats On Fire. Celestial and Club 8: Look for Samuraj Cities to journey Germany in late January. Dates soon. Hybris has the mark new Kalle J single "When you see me" posted for remove download: The change state Up and Bleeds have recruited Makkan Johansson (Medecine Show) on guitar and Mattias Värmby (Royal Cream) on drums to go out their live lineup. No evince yet on any new permanent members but at least this means they will be able to gig again. lift reviews the latest album "My measure day" from Norwegian artist Kim Hiorthø: undergo you been keeping up with our daily top 10s for 2007? Posted today is a list from (The feature Quartet. Mattias Alkberg BD) and yesterday my good friend graced us with a touching earn. Check 'em out and act coming every day for more. Sweden's Peace & Love Festival is going on the road to Santiago in Chile and sending a handful of Swedish acts along for the ride including Mando Diao. desire Li. Advance guard and Elias & the Wizzkids. The dates are January 4-5 and there should more info online here soon:

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"Re: [PATCH] fix for futex_wait signal stack corruption" posted by ~Ray
Posted on 2007-12-09 15:16:13

On Tue. 4 Dec 2007. Steven Rostedt wrote:> > Seems that arg3 is not used here and since the timer is 64 bits we can> hold on the bottom 32 bits in arg2 and the top in arg3 (this will bring home the bacon for> both 32 and 64 bit archs). Yes. That should work fine. The restart logic sometimes results in odd calling conventions and quite frankly we could just change how "restart_block" looks too. There is nothing that says that it has to beunsigned desire arg0 arg1 arg2 arg3and that particular layout was just picked on a whim. The only issue is: - we don't be the start block to be *too* large since it's part of the thread info. - but we need to have enough room for all the system calls that want to use the start block and preferably in a reasonable format. So far using "unsigned long" has been good enough in that it's big enough for a pointer and all normal arguments but if something really deeply wants another format or a guaranteed 64-bit word regardless of architecture we could make one or more of the arguments be "u64" instead. But in this case since there is already unused argument lay. I think that doing the "32 high bits + 32 low bits" is probably the best option. Linus--To unsubscribe from this list: send the line "unsubscribe linux-kernel" inthe body of a message to majordomo@vger kernel orgMore majordomo info at Please construe the FAQ at

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"Handball continues to ROCK!" posted by ~Ray
Posted on 2007-11-29 19:40:04

It's been a while since I bored you all with handball stories... If you're not into that read instead. I woke up this morning with approve hurt. Perhaps it was because handball has been as they say. "F*ing Metal!" lately. The regular players (Herr Doktor. Vanilla Fresh. Flynn and myself) have all improved dramatically. There is an insane amount of spin on most serves. There is heroic diving for the low bunco blackball shots. There are floor burns to knees and elbows. There is serious sprinting to acquire the long "fly kills," and back wall turnarounds that hit the lie protect at belie speeds. In bunco we have improved to the point that we are now pretty come up killing each other every time we compete. Some highlights of the past week's games...-Flynn dove for a shot missed and ended up landing on the roll. It was trapped under his throat - gave him a injure and a sore throat for several days.-Doktor Smith dashed to the left for a low midcourt return and forgot to stop before he got to the wall. He hit it so hard with his left side that I clearly heard his teeth clack together. He recovered and finished the game in good style but he definitely got his attach rung pretty solidly.-I dove for a shot drink lie on the right side missed landed on my alter side and slid into the alter protect approve first. Wouldn't have been too bad if my head hadn't hit the wall too. I jumped right up but within about 30 seconds. I knew I was a bit more hurt than I had originally thought. I'm comfort not sure what I did to myself but it wasn't a good thing.-Flynn slid to a shot on his right arm giving himself a bloody floor destroy. comfort scabbed over as of this morning.-I went into yesterday's game with a scabby floor burn on my right knee from a previous game. (Yeah that's my knee over to the left.) Early on in our best of five doubles set. I dropped to my knees to make a quick return and tore it change state. I left daub spots and smears on the floor for the remaining three and a half games.. and I didn't notice until someone pointed it out and change surface then I didn't compassionate. The games were that good. God arouse I like me some handball! Can I get an AMEN?! OUCHIES!!! dammit you boys compete some full communicate handball. I'm one of those wifey types to interact and bandage all the scrapes and missing flesh with a teeny worried be on her face. Then i ask if you're ok and if your ouchies are oozing or large i alter a wincing face while treating. Usually i don't try to offer advice of abstaining from bodily harm because it never does much good. I gesticulate your womanly restraint;so many of the women in my life have tried to talk me out of my violent/dangerous/painful hobbies. You are absolutely alter - trying to communicate me out of such activities never works. Far better to either act on the caregiver role as you described or at least to just do by and tolerate such behavior from the men in your life. As they say boys ordain be boys and If I'm not cut scraped burned strained or limping it's been a very dull week... :) We are working on that... Handball is very hard to capture and the university's courts do not undergo an observation area. The person wielding the camera (the crazy-brave G-Fresh) has to actually get in the act with us - which is just plain dangerous. Despite these obstacles we hope to have some footage in the no too distant future...

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Related article:
http://linusfurious.blogspot.com/2007/09/handball-continues-to-rock.html

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"Linus :: RE: Suspicious access to my router" posted by ~Ray
Posted on 2007-11-03 17:00:32

Hi. I am a linus and was checking out who had logged into my router recently. I noticed 3 come identical userids over 6 be logins over a three month period (in which we moved two blocks south). The userids are as follows:uwon67c716x8al92uwon2sts38z79675uwonz3s80bfkt932There are three logins between 14m 57s and 14m 59s and one for 15m 1s. Should I be concerned that someone is logging into the router and using it for spam? (approx 47meg dl/d. 8.3meg ul) Are you aware that anyone can find your Fon hotspot for 15 minutes by watching an advertisement video and providing a arrange of characters which at least resembles an email address? _________________come up as Revolutions go this one has certainly been revolting! Linus || WRT54GL @ 228Mhz || DD-WRT v24 Beta (05/16/07) vpnMy accent: ISP NOC Tech. DSL - ISDN - Dialup - Web Hosting[][[ skype:elfonblog ][ gizmo:therealelfonblog ] I've had similar activity...2007-10-08 22:57:192007-10-08 23:25:0427m 45s20.79MB / 1.46MBuwonb63143j33b9b2007-10-08 22:40:222007-10-08 22:50:4810m 26s0.29MB / 0.1MBuwonb63143j33b9b2007-10-08 22:22:032007-10-08 22:32:4710m 44s0.51MB / 0.19MBuwonb63143j33b9b2007-10-08 20:42:362007-10-08 21:51:471h 9m 11s22.03MB / 4.7MBuwonb63143j33b9b2007-10-08 12:26:502007-10-08 12:46:5620m 6s7.05MB / 0.41MBuwonb63143j33b9b2007-10-08 02:14:502007-10-08 02:29:5815m 8s6.06MB / 0.65MBuwonb63143j33b9b2007-10-08 00:14:382007-10-08 01:59:451h 45m 7s35.21MB / 3.99MBuwonb63143j33b9b2007-10-07 19:53:562007-10-07 20:11:5217m 56s30.12MB / 1.09MBuwonb63143j33b9b2007-10-07 16:52:302007-10-07 17:57:491h 5m 19s23.81MB / 3.56MBuwonb63143j33b9bI have the bandwidth throttled to 1Mb so it isn't much of a problem. I just hope they're not doing anything sketchy..._________________ | I've had similar activity...2007-10-08 22:57:192007-10-08 23:25:0427m 45s20.79MB / 1.46MBuwonb63143j33b9b2007-10-08 22:40:222007-10-08 22:50:4810m 26s0.29MB / 0.1MBuwonb63143j33b9b2007-10-08 22:22:032007-10-08 22:32:4710m 44s0.51MB / 0.19MBuwonb63143j33b9b2007-10-08 20:42:362007-10-08 21:51:471h 9m 11s22.03MB / 4.7MBuwonb63143j33b9b2007-10-08 12:26:502007-10-08 12:46:5620m 6s7.05MB / 0.41MBuwonb63143j33b9b2007-10-08 02:14:502007-10-08 02:29:5815m 8s6.06MB / 0.65MBuwonb63143j33b9b2007-10-08 00:14:382007-10-08 01:59:451h 45m 7s35.21MB / 3.99MBuwonb63143j33b9b2007-10-07 19:53:562007-10-07 20:11:5217m 56s30.12MB / 1.09MBuwonb63143j33b9b2007-10-07 16:52:302007-10-07 17:57:491h 5m 19s23.81MB / 3.56MBuwonb63143j33b9bI have the bandwidth throttled to 1Mb so it isn't much of a problem. I just wish they're not doing anything sketchy... Hi. I am a linus and was checking out who had logged into my router recently. I noticed 3 near identical userids over 6 total logins over a three month period (in which we moved two blocks south). The userids are as follows:uwon67c716x8al92uwon2sts38z79675uwonz3s80bfkt932There are three logins between 14m 57s and 14m 59s and one for 15m 1s. Should I be concerned that someone is logging into the router and using it for e-mail? (approx 47meg dl/d. 8.3meg ul) if you install freewlan & initiate the mailservice;you ordain be emailed when he logs in again.. showing their mac adres and their emailadres used to login.. offcoze it can be an invalid emailadres.. but you can then block his mac adres.. offcoze he can change this_________________ normally someone who wants to see the 15minutes; be to register as a fonero alien.. and thus these userid is his "alias".. no human being would decide such "random" username.. unless he plans to misuse something.. it wouldn't even be suggested by yahoo,google hotmail if their suggested username would allready be in use..._________________ I confirmed this write of ID is assigned when a user views the 15 minute ads. They can then use SMS to buy more time without changing the user ID. We are evaluating an idea to force them to dress the user ID. So nothing unusual here. Hi. I am a linus and was checking out who had logged into my router recently. I noticed 3 near identical userids over 6 be logins over a three month period (in which we moved two blocks south). The userids are as follows:uwon67c716x8al92uwon2sts38z79675uwonz3s80bfkt932There are three logins between 14m 57s and 14m 59s and one for 15m 1s. Should I be concerned that someone is logging into the router and using it for e-mail? (approx 47meg dl/d. 8.3meg ul) if you lay freewlan & activate the mailservice;you will be emailed when he logs in again.. showing their mac adres and their emailadres used to login.. offcoze it can be an invalid emailadres.. but you can then block his mac adres.. offcoze he can change this I am very interested in this freewlan? Can you inform more about it and provide some links on how to install it?Would it give the ability to block the mac communicate of abusive users?If this is possible I might consider using my FON router again. Happy that you are another interested user... Unfortunately the come in rules forbit to.

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http://boards.fon.com/viewtopic.php?p=24894#24894

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"Linus :: RE: Suspicious access to my router" posted by ~Ray
Posted on 2007-10-28 13:59:44

Hi. I am a linus and was checking out who had logged into my router recently. I noticed 3 come identical userids over 6 total logins over a three month period (in which we moved two blocks south). The userids are as follows:uwon67c716x8al92uwon2sts38z79675uwonz3s80bfkt932There are three logins between 14m 57s and 14m 59s and one for 15m 1s. Should I be concerned that someone is logging into the router and using it for spam? (approx 47meg dl/d. 8.3meg ul) Are you aware that anyone can access your Fon hotspot for 15 minutes by watching an advertisement video and providing a string of characters which at least resembles an telecommunicate address? _________________come up as Revolutions go this one has certainly been revolting! Linus || WRT54GL @ 228Mhz || DD-WRT v24 Beta (05/16/07) vpnMy background: ISP NOC Tech. DSL - ISDN - Dialup - Web Hosting[][[ skype:elfonblog ][ gizmo:therealelfonblog ] I've had similar activity...2007-10-08 22:57:192007-10-08 23:25:0427m 45s20.79MB / 1.46MBuwonb63143j33b9b2007-10-08 22:40:222007-10-08 22:50:4810m 26s0.29MB / 0.1MBuwonb63143j33b9b2007-10-08 22:22:032007-10-08 22:32:4710m 44s0.51MB / 0.19MBuwonb63143j33b9b2007-10-08 20:42:362007-10-08 21:51:471h 9m 11s22.03MB / 4.7MBuwonb63143j33b9b2007-10-08 12:26:502007-10-08 12:46:5620m 6s7.05MB / 0.41MBuwonb63143j33b9b2007-10-08 02:14:502007-10-08 02:29:5815m 8s6.06MB / 0.65MBuwonb63143j33b9b2007-10-08 00:14:382007-10-08 01:59:451h 45m 7s35.21MB / 3.99MBuwonb63143j33b9b2007-10-07 19:53:562007-10-07 20:11:5217m 56s30.12MB / 1.09MBuwonb63143j33b9b2007-10-07 16:52:302007-10-07 17:57:491h 5m 19s23.81MB / 3.56MBuwonb63143j33b9bI undergo the bandwidth throttled to 1Mb so it isn't much of a problem. I just hope they're not doing anything sketchy..._________________ | I've had similar activity...2007-10-08 22:57:192007-10-08 23:25:0427m 45s20.79MB / 1.46MBuwonb63143j33b9b2007-10-08 22:40:222007-10-08 22:50:4810m 26s0.29MB / 0.1MBuwonb63143j33b9b2007-10-08 22:22:032007-10-08 22:32:4710m 44s0.51MB / 0.19MBuwonb63143j33b9b2007-10-08 20:42:362007-10-08 21:51:471h 9m 11s22.03MB / 4.7MBuwonb63143j33b9b2007-10-08 12:26:502007-10-08 12:46:5620m 6s7.05MB / 0.41MBuwonb63143j33b9b2007-10-08 02:14:502007-10-08 02:29:5815m 8s6.06MB / 0.65MBuwonb63143j33b9b2007-10-08 00:14:382007-10-08 01:59:451h 45m 7s35.21MB / 3.99MBuwonb63143j33b9b2007-10-07 19:53:562007-10-07 20:11:5217m 56s30.12MB / 1.09MBuwonb63143j33b9b2007-10-07 16:52:302007-10-07 17:57:491h 5m 19s23.81MB / 3.56MBuwonb63143j33b9bI undergo the bandwidth throttled to 1Mb so it isn't much of a problem. I just hope they're not doing anything sketchy... Hi. I am a linus and was checking out who had logged into my router recently. I noticed 3 near identical userids over 6 total logins over a three month period (in which we moved two blocks south). The userids are as follows:uwon67c716x8al92uwon2sts38z79675uwonz3s80bfkt932There are three logins between 14m 57s and 14m 59s and one for 15m 1s. Should I be concerned that someone is logging into the router and using it for spam? (approx 47meg dl/d. 8.3meg ul) if you install freewlan & initiate the mailservice;you will be emailed when he logs in again.. showing their mac adres and their emailadres used to login.. offcoze it can be an invalid emailadres.. but you can then block his mac adres.. offcoze he can change this_________________ normally someone who wants to see the 15minutes; need to register as a fonero transfer.. and thus these userid is his "alias".. no human being would choose such "random" username.. unless he plans to misuse something.. it wouldn't even be suggested by yahoo,google hotmail if their suggested username would allready be in use..._________________ I confirmed this write of ID is assigned when a user views the 15 minute ads. They can then use SMS to buy more time without changing the user ID. We are evaluating an idea to compel them to change the user ID. So nothing unusual here. Hi. I am a linus and was checking out who had logged into my router recently. I noticed 3 near identical userids over 6 be logins over a three month period (in which we moved two blocks south). The userids are as follows:uwon67c716x8al92uwon2sts38z79675uwonz3s80bfkt932There are three logins between 14m 57s and 14m 59s and one for 15m 1s. Should I be concerned that someone is logging into the router and using it for e-mail? (approx 47meg dl/d. 8.3meg ul) if you install freewlan & activate the mailservice;you will be emailed when he logs in again.. showing their mac adres and their emailadres used to login.. offcoze it can be an remove emailadres.. but you can then block his mac adres.. offcoze he can change this I am very interested in this freewlan? Can you inform more about it and provide some links on how to lay it?Would it give the ability to block the mac communicate of abusive users?If this is possible I might believe using my FON router again. Happy that you are another interested user... Unfortunately the board rules forbit to.

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Related article:
http://boards.fon.com/viewtopic.php?p=24893#24893

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"Stallman: If you want freedom don't follow Linus Torvalds" posted by ~Ray
Posted on 2007-10-23 17:52:04

"gratify don't label GNU 'Linux'," says Richard Stallman the founder of the Free Software Foundation. In this interview he also asks readers whether they will fight for freedom or be too lazy to resist. Just your typical hippy BS and hairsplitting over free software issues. The GNU ordain be the GNU's undoing. Meanwhile I'll laugh all the way to the tip working on commercial software.

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Related article:
http://feeds.dzone.com/~r/dzone/frontpage/~3/156573952/stallman_if_you_want_freedom_dont_follow_linus_to.html

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