lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Sun, 16 Feb 2020 18:24:45 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Dave Jones <davej@...emonkey.org.uk>,
        Josef Bacik <josef@...icpanda.com>,
        Filipe Manana <fdmanana@...e.com>,
        David Sterba <dsterba@...e.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 5.6-rc2

On Sun, Feb 16, 2020 at 6:08 PM Dave Jones <davej@...emonkey.org.uk> wrote:
>
> This didn't happen in rc1, but showed up when I booted into rc2 and
> tried to and pull some stuff with rsync.
>
> [   70.794783] BUG: sleeping function called from invalid context at mm/slab.h:565
> [   70.795459]  kmem_cache_alloc+0x1d3/0x290
> [   70.795471]  alloc_extent_state+0x22/0x1c0
> [   70.795544]  __clear_extent_bit+0x3ba/0x580
> [   70.795569]  btrfs_truncate_inode_items+0x339/0xe50
> [   70.795647]  btrfs_evict_inode+0x269/0x540

At a guess (just by functions involved, and the timing between rc1 and
rc2 - no actual analysis), this is probably due to

    28553fa992cb ("Btrfs: fix race between shrinking truncate and fiemap")

which is also marked for stable, so... Filipe?

              Linus

Powered by blists - more mailing lists