Re: Kernel 3.7 + slower snapshot then usual

2012-12-13 Thread Miao Xie
On wed, 12 Dec 2012 23:26:02 -0500, Sylvain Alain wrote: Hi guys, I noticed that now my snapshot take a long time to process : sylvain@gentootux ~ $ df -h Sys. de fichiers Taille Utilisé Dispo Uti% Monté sur rootfs 112G4,0G 103G 4% / /dev/sda4 112G4,0G 103G

Re: Encryption

2012-12-13 Thread Sander
merc1...@f-m.fm wrote (ao): Oh pardon me, it's BTRFS RAID that's a no-go, which is just as critical to me as I have a 4 disk 8TB array. The FAQ goeth on to Say: --- This pretty much forbids you to use btrfs' cool RAID features if you

[btrfs] is vulnerable to a hash-DoS attack

2012-12-13 Thread Pascal Junod
Hello folk, The btrfs file system, part of the linux kernel, is vulnerable to a trivial hash-DoS attack. More details can be found here: http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/ Enjoy! Pascal Junod -- http://crypto.junod.info @cryptopathe -- To unsubscribe from this list: send

Re: no activity in kernel.org btrfs-progs git repo?

2012-12-13 Thread Chris Mason
On Wed, Dec 12, 2012 at 04:41:50PM -0700, Zach Brown wrote: On Thu, Dec 13, 2012 at 04:50:54AM +0530, Nirbheek Chauhan wrote: On Thu, Dec 13, 2012 at 4:21 AM, Hugo Mills h...@carfax.org.uk wrote: Two things: *nod* I think Zach was asking about the userspace tools, not the kernel

Re: Encryption

2012-12-13 Thread merc1984
On Thu, Dec 13, 2012, at 1:17, Sander wrote: Forbids? That is just plain wrong. I have one btrfs filesystem on top of two encrypted devices. Works just fine. That's dynamite Sander. But I am not going to contravene the instructions, then have problems, only to come back here and have fingers

Re: no activity in kernel.org btrfs-progs git repo?

2012-12-13 Thread Zach Brown
On Thu, Dec 13, 2012 at 09:56:10AM -0500, Chris Mason wrote: Yes, I've got the big raid56 push ready to go out, and I've just been trying to test it all. I'll put that in a raid branch and get the fixes onto master. Thanks. I was asking because it's pretty annoying to go through patchwork

Re: [btrfs] is vulnerable to a hash-DoS attack

2012-12-13 Thread Chris Mason
[ adding linux-btrfs ] On Thu, Dec 13, 2012 at 05:56:37AM -0700, Pascal Junod wrote: Hello folk, The btrfs file system, part of the linux kernel, is vulnerable to a trivial hash-DoS attack. More details can be found here: http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/ Hi Pascal,

Re: no activity in kernel.org btrfs-progs git repo?

2012-12-13 Thread Chris Mason
On Thu, Dec 13, 2012 at 12:50:40PM -0700, Zach Brown wrote: On Thu, Dec 13, 2012 at 09:56:10AM -0500, Chris Mason wrote: Yes, I've got the big raid56 push ready to go out, and I've just been trying to test it all. I'll put that in a raid branch and get the fixes onto master. Thanks.

Re: [btrfs] is vulnerable to a hash-DoS attack

2012-12-13 Thread David Sterba
On Thu, Dec 13, 2012 at 03:52:08PM -0500, Chris Mason wrote: Thanks for taking the time to write this up. As far as I can tell, the looping was actually fixed in an older kernel and I just misread our version string in your original email. Yeah, the blogpost says 3.3.7. I did a quick test

Re: [btrfs] is vulnerable to a hash-DoS attack

2012-12-13 Thread Chris Mason
On Thu, Dec 13, 2012 at 02:34:30PM -0700, David Sterba wrote: On Thu, Dec 13, 2012 at 03:52:08PM -0500, Chris Mason wrote: Thanks for taking the time to write this up. As far as I can tell, the looping was actually fixed in an older kernel and I just misread our version string in your

Re: Encryption

2012-12-13 Thread Hugo Mills
On Thu, Dec 13, 2012 at 09:23:05AM -0800, merc1...@f-m.fm wrote: On Thu, Dec 13, 2012, at 1:17, Sander wrote: Forbids? That is just plain wrong. I have one btrfs filesystem on top of two encrypted devices. Works just fine. That's dynamite Sander. But I am not going to contravene the