Re: Threads related SIGSEGV in random.c (diff, v2)

2013-03-14 Thread Alexey Suslikov
On Thu, Mar 14, 2013 at 6:48 PM, Ted Unangst wrote: > On Thu, Mar 14, 2013 at 17:24, Antoine Jacoutot wrote: >> On Thu, Mar 14, 2013 at 11:41:52AM -0400, Ted Unangst wrote: >>> On Thu, Mar 14, 2013 at 14:30, Antoine Jacoutot wrote: >>> >>> > FYI I am seeing a somehow similar crash when using sysut

Re: Threads related SIGSEGV in random.c (diff, v2)

2013-03-14 Thread Antoine Jacoutot
On Thu, Mar 14, 2013 at 12:48:52PM -0400, Ted Unangst wrote: > On Thu, Mar 14, 2013 at 17:24, Antoine Jacoutot wrote: > > On Thu, Mar 14, 2013 at 11:41:52AM -0400, Ted Unangst wrote: > >> On Thu, Mar 14, 2013 at 14:30, Antoine Jacoutot wrote: > >> > >> > FYI I am seeing a somehow similar crash when

Re: Threads related SIGSEGV in random.c (diff, v2)

2013-03-14 Thread Ted Unangst
On Thu, Mar 14, 2013 at 17:24, Antoine Jacoutot wrote: > On Thu, Mar 14, 2013 at 11:41:52AM -0400, Ted Unangst wrote: >> On Thu, Mar 14, 2013 at 14:30, Antoine Jacoutot wrote: >> >> > FYI I am seeing a somehow similar crash when using sysutils/bacula (both >> > 5.2 and 5.3). >> > It is 100% reprodu

Re: Threads related SIGSEGV in random.c (diff, v2)

2013-03-14 Thread Antoine Jacoutot
On Thu, Mar 14, 2013 at 11:41:52AM -0400, Ted Unangst wrote: > On Thu, Mar 14, 2013 at 14:30, Antoine Jacoutot wrote: > > > FYI I am seeing a somehow similar crash when using sysutils/bacula (both > > 5.2 and 5.3). > > It is 100% reproducible on my setup. Obviously painful since it means I > > can

Re: Threads related SIGSEGV in random.c (diff, v2)

2013-03-14 Thread Ted Unangst
On Thu, Mar 14, 2013 at 14:30, Antoine Jacoutot wrote: > FYI I am seeing a somehow similar crash when using sysutils/bacula (both > 5.2 and 5.3). > It is 100% reproducible on my setup. Obviously painful since it means I > cannot run backups anymore... The following is brought to you without testi

Re: Threads related SIGSEGV in random.c (diff, v2)

2013-03-14 Thread Antoine Jacoutot
On Thu, Sep 27, 2012 at 12:43:24PM +0300, Alexey Suslikov wrote: > Program received signal SIGSEGV, Segmentation fault. > [Switching to thread 1006387] > 0x0cb33345cf6e in random () at /usr/src/lib/libc/stdlib/random.c:387 > 387 *fptr += *rptr; > > Back trace: > > Thread 1

Re: Threads related SIGSEGV in random.c (diff, v2)

2012-09-28 Thread Philip Guenther
On Thu, 27 Sep 2012, Alexey Suslikov wrote: > On Thursday, September 27, 2012, Alexey Suslikov wrote: > > On Thursday, September 27, 2012, Philip Guenther wrote: > >> On Thu, 27 Sep 2012, Alexey Suslikov wrote: > >> > Removing only local variables part reverts us to previous behavior > >> > (i.e.

Threads related SIGSEGV in random.c (diff, v2)

2012-09-27 Thread Alexey Suslikov
On Thursday, September 27, 2012, Alexey Suslikov wrote: > On Thursday, September 27, 2012, Philip Guenther wrote: > >> On Thu, 27 Sep 2012, Alexey Suslikov wrote: >> > Removing only local variables part reverts us to previous behavior (i.e. >> > crashes). >> >> My guess is your program is calling

Re: Threads related SIGSEGV in random.c (diff, v2)

2012-09-27 Thread Alexey Suslikov
On Thursday, September 27, 2012, Philip Guenther wrote: > On Thu, 27 Sep 2012, Alexey Suslikov wrote: > > Removing only local variables part reverts us to previous behavior (i.e. > > crashes). > > My guess is your program is calling srandom(), srandomdev(), initstate() > or setstate() as well. Yo

Re: Threads related SIGSEGV in random.c (diff, v2)

2012-09-26 Thread Philip Guenther
On Thu, 27 Sep 2012, Alexey Suslikov wrote: > Removing only local variables part reverts us to previous behavior (i.e. > crashes). My guess is your program is calling srandom(), srandomdev(), initstate() or setstate() as well. Your diff doesn't protect the alteration of state, end_ptr, fptr, a

Re: Threads related SIGSEGV in random.c (diff, v2)

2012-09-26 Thread Ted Unangst
On Thu, Sep 27, 2012 at 00:18, Alexey Suslikov wrote: > On Wed, Sep 26, 2012 at 9:51 PM, Ted Unangst wrote: >> On Wed, Sep 26, 2012 at 11:18, Alexey Suslikov wrote: >>> Hi. >>> >>> Any news on that? >> >> Can we do it without the local variables for speed part? I am not >> interested in making th

Re: Threads related SIGSEGV in random.c (diff, v2)

2012-09-26 Thread Alexey Suslikov
On Wed, Sep 26, 2012 at 9:51 PM, Ted Unangst wrote: > On Wed, Sep 26, 2012 at 11:18, Alexey Suslikov wrote: >> Hi. >> >> Any news on that? > > Can we do it without the local variables for speed part? I am not > interested in making this function faster. > Removing only local variables part rever

Re: Threads related SIGSEGV in random.c (diff, v2)

2012-09-26 Thread Ted Unangst
On Wed, Sep 26, 2012 at 11:18, Alexey Suslikov wrote: > Hi. > > Any news on that? Can we do it without the local variables for speed part? I am not interested in making this function faster.

Re: Threads related SIGSEGV in random.c (diff, v2)

2012-09-26 Thread Alexey Suslikov
Hi. Any news on that? On Friday, September 21, 2012, Alexey Suslikov wrote: > On Fri, Sep 21, 2012 at 10:36 AM, Alexey Suslikov > > wrote: > > On Wed, Sep 19, 2012 at 10:24 PM, Ted Unangst > > > > wrote: > >> On Wed, Sep 19, 2012 at 18:50, Alexey Suslikov wrote: > >>> On Wednesday, September 19

Threads related SIGSEGV in random.c (diff, v2)

2012-09-21 Thread Alexey Suslikov
On Fri, Sep 21, 2012 at 10:36 AM, Alexey Suslikov wrote: > On Wed, Sep 19, 2012 at 10:24 PM, Ted Unangst wrote: >> On Wed, Sep 19, 2012 at 18:50, Alexey Suslikov wrote: >>> On Wednesday, September 19, 2012, Theo de Raadt wrote: >>> > arc4random() is also thread-safe (it has interal locking)

Re: Threads related SIGSEGV in random.c

2012-09-21 Thread Alexey Suslikov
On Wed, Sep 19, 2012 at 10:24 PM, Ted Unangst wrote: > On Wed, Sep 19, 2012 at 18:50, Alexey Suslikov wrote: >> On Wednesday, September 19, 2012, Theo de Raadt wrote: >> >>> > arc4random() is also thread-safe (it has interal locking) and very >>> > desirable for other reasons. But no way to save s

Re: Threads related SIGSEGV in random.c

2012-09-20 Thread Stuart Henderson
On 2012/09/20 12:04, Paul Irofti wrote: > On Thu, Sep 20, 2012 at 09:42:16AM +0100, Stuart Henderson wrote: > > On 2012/09/19 22:06, Stefan Sperling wrote: > > > On Wed, Sep 19, 2012 at 10:37:09PM +0300, Alexey Suslikov wrote: > > > > Could you guide me how to rebuild/reinstall libc in a proper way

Re: Threads related SIGSEGV in random.c

2012-09-20 Thread Paul Irofti
On Thu, Sep 20, 2012 at 09:42:16AM +0100, Stuart Henderson wrote: > On 2012/09/19 22:06, Stefan Sperling wrote: > > On Wed, Sep 19, 2012 at 10:37:09PM +0300, Alexey Suslikov wrote: > > > Could you guide me how to rebuild/reinstall libc in a proper way? > > > > It's easy, just needs 11 steps. This

Re: Threads related SIGSEGV in random.c

2012-09-20 Thread Otto Moerbeek
On Thu, Sep 20, 2012 at 09:42:16AM +0100, Stuart Henderson wrote: > On 2012/09/19 22:06, Stefan Sperling wrote: > > On Wed, Sep 19, 2012 at 10:37:09PM +0300, Alexey Suslikov wrote: > > > Could you guide me how to rebuild/reinstall libc in a proper way? > > > > It's easy, just needs 11 steps. This

Re: Threads related SIGSEGV in random.c

2012-09-20 Thread Stefan Sperling
On Thu, Sep 20, 2012 at 09:15:42AM +0200, Remco wrote: > AFAICT at least the tools in /bin and /sbin are statically linked and would > need to be rebuilt to include any changes in libc. That's correct, and it's actually very convenient. If you make some mistake dynamic binaries might no longer be

Re: Threads related SIGSEGV in random.c

2012-09-20 Thread Stuart Henderson
On 2012/09/19 22:06, Stefan Sperling wrote: > On Wed, Sep 19, 2012 at 10:37:09PM +0300, Alexey Suslikov wrote: > > Could you guide me how to rebuild/reinstall libc in a proper way? > > It's easy, just needs 11 steps. This is how I did it: > > 1) $ cd /usr/src/lib/libc > 2) edit files > 3) $ make

Re: Threads related SIGSEGV in random.c

2012-09-20 Thread Remco
Stefan Sperling wrote: > On Wed, Sep 19, 2012 at 10:37:09PM +0300, Alexey Suslikov wrote: >> Could you guide me how to rebuild/reinstall libc in a proper way? > > It's easy, just needs 11 steps. This is how I did it: > > 1) $ cd /usr/src/lib/libc > 2) edit files > 3) $ make obj > 4) $ make clean

Re: Threads related SIGSEGV in random.c

2012-09-19 Thread Stefan Sperling
On Wed, Sep 19, 2012 at 10:37:09PM +0300, Alexey Suslikov wrote: > Could you guide me how to rebuild/reinstall libc in a proper way? It's easy, just needs 11 steps. This is how I did it: 1) $ cd /usr/src/lib/libc 2) edit files 3) $ make obj 4) $ make clean 5) $ make 6) pray !!! 7) $ sudo make ins

Re: Threads related SIGSEGV in random.c

2012-09-19 Thread Alexey Suslikov
On Wed, Sep 19, 2012 at 10:24 PM, Ted Unangst wrote: > On Wed, Sep 19, 2012 at 18:50, Alexey Suslikov wrote: >> On Wednesday, September 19, 2012, Theo de Raadt wrote: >> >>> > arc4random() is also thread-safe (it has interal locking) and very >>> > desirable for other reasons. But no way to save s

Re: Threads related SIGSEGV in random.c

2012-09-19 Thread Ted Unangst
On Wed, Sep 19, 2012 at 18:50, Alexey Suslikov wrote: > On Wednesday, September 19, 2012, Theo de Raadt wrote: > >> > arc4random() is also thread-safe (it has interal locking) and very >> > desirable for other reasons. But no way to save state. >> >> The last part of this is intentional. Saving t

Re: Threads related SIGSEGV in random.c

2012-09-19 Thread Alexander Hall
On 09/19/12 10:16, Paul Irofti wrote: On Tue, Sep 18, 2012 at 05:46:55PM -0700, Marco S Hyman wrote: On Sep 18, 2012, at 3:27 PM, Paul Irofti wrote: Because most of the guys in the hackingroom didn't get this, the reference is to a book named 'American Gods' by Neil Gaimen. Wednesday is Odin

Re: Threads related SIGSEGV in random.c

2012-09-19 Thread Otto Moerbeek
Op 19 sep. 2012 om 17:28 heeft Theo de Raadt het volgende geschreven: >> arc4random() is also thread-safe (it has interal locking) and very >> desirable for other reasons. But no way to save state. > > The last part of this is intentional. Saving the state of pseudo > random number generators is

Re: Threads related SIGSEGV in random.c

2012-09-19 Thread Alexey Suslikov
On Wednesday, September 19, 2012, Theo de Raadt wrote: > > arc4random() is also thread-safe (it has interal locking) and very > > desirable for other reasons. But no way to save state. > > The last part of this is intentional. Saving the state of pseudo > random number generators is a stupid conc

Re: Threads related SIGSEGV in random.c

2012-09-19 Thread Theo de Raadt
> arc4random() is also thread-safe (it has interal locking) and very > desirable for other reasons. But no way to save state. The last part of this is intentional. Saving the state of pseudo random number generators is a stupid concept from the 80's.

Re: Threads related SIGSEGV in random.c

2012-09-19 Thread Paul Irofti
On Tue, Sep 18, 2012 at 05:46:55PM -0700, Marco S Hyman wrote: > On Sep 18, 2012, at 3:27 PM, Paul Irofti wrote: > > > Because most of the guys in the hackingroom didn't get this, the > > reference is to a book named 'American Gods' by Neil Gaimen. Wednesday > > is Odin from the Norse Sagas in th

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Otto Moerbeek
On Tue, Sep 18, 2012 at 09:45:59PM -0400, Ted Unangst wrote: > On Wed, Sep 19, 2012 at 00:48, Alexey Suslikov wrote: > > >> > No, according to posix it should be thread safe. I don't know why, > >> > since rand() is one of the exempted functions, but random() is not. > >> > Standards gods are ca

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Ted Unangst
On Wed, Sep 19, 2012 at 00:48, Alexey Suslikov wrote: >> > No, according to posix it should be thread safe. I don't know why, >> > since rand() is one of the exempted functions, but random() is not. >> > Standards gods are capricious gods. >> >> I think you should stress *should* here. Looking at

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Marco S Hyman
On Sep 18, 2012, at 3:27 PM, Paul Irofti wrote: > Because most of the guys in the hackingroom didn't get this, the > reference is to a book named 'American Gods' by Neil Gaimen. Wednesday > is Odin from the Norse Sagas in that book. Gaiman, not Gaimen. http://www.neilgaiman.com/ > Pretty awesom

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Stuart Henderson
On 2012/09/19 01:27, Paul Irofti wrote: > Because most of the guys in the hackingroom didn't get this inconceivable!

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Paul Irofti
On Tue, Sep 18, 2012 at 12:55:40PM -0700, Philip Guenther wrote: > On Tue, 18 Sep 2012, Marc Espie wrote: > > On Tue, Sep 18, 2012 at 01:39:14PM -0600, Theo de Raadt wrote: > > > > Standards gods are capricious gods. > > > > > > They are false gods. > > > > Sounds like American gods :) > > Maybe

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Alexey Suslikov
On Tuesday, September 18, 2012, Otto Moerbeek wrote: > On Tue, Sep 18, 2012 at 03:32:04PM -0400, Ted Unangst wrote: > > > On Tue, Sep 18, 2012 at 19:40, Alexey Suslikov wrote: > > > > > This one being discovered by Roman Kravchuk using Kannel port (see > > > https://github.com/jasperla/openbsd-wip

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Otto Moerbeek
On Tue, Sep 18, 2012 at 03:32:04PM -0400, Ted Unangst wrote: > On Tue, Sep 18, 2012 at 19:40, Alexey Suslikov wrote: > > > This one being discovered by Roman Kravchuk using Kannel port (see > > https://github.com/jasperla/openbsd-wip/tree/master/net/kannel). > > > > While stress testing, Kannel

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Marc Espie
On Tue, Sep 18, 2012 at 01:39:14PM -0600, Theo de Raadt wrote: > > Standards gods are capricious gods. > > They are false gods. Sounds like American gods :)

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Philip Guenther
On Tue, 18 Sep 2012, Marc Espie wrote: > On Tue, Sep 18, 2012 at 01:39:14PM -0600, Theo de Raadt wrote: > > > Standards gods are capricious gods. > > > > They are false gods. > > Sounds like American gods :) Maybe "Standards" is the god that no one can remember that Wednesday meets in Las Vegas

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Theo de Raadt
> Standards gods are capricious gods. They are false gods.

Re: Threads related SIGSEGV in random.c

2012-09-18 Thread Ted Unangst
On Tue, Sep 18, 2012 at 19:40, Alexey Suslikov wrote: > This one being discovered by Roman Kravchuk using Kannel port (see > https://github.com/jasperla/openbsd-wip/tree/master/net/kannel). > > While stress testing, Kannel components die with > > Program received signal SIGSEGV, Segmentation fau

Threads related SIGSEGV in random.c

2012-09-18 Thread Alexey Suslikov
Hello tech@. This one being discovered by Roman Kravchuk using Kannel port (see https://github.com/jasperla/openbsd-wip/tree/master/net/kannel). While stress testing, Kannel components die with Program received signal SIGSEGV, Segmentation fault. [Switching to thread 1006387] 0x0cb33345cf6e