[GIT PULL] Btrfs fixes for 5.9-rc7

[David Sterba]

Hi,

syzkaller started to hit us with reports, in this pull request there's a
fix for one type (stack overflow when printing checksums on read error).
The other patch is a fix for sysfs object, we have a test for that and
it leads to a crash.

The other syzkaller reports are most likely races around device locking,
we have a candidate fix that's been in the development queue.  Some
reports don't have a reproducer and validating the fix is not
straightforward, I'll send another pull request once this is finished.

Please pull, thanks.

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The following changes since commit 1c78544eaa4660096aeb6a57ec82b42cdb3bfe5a:

  btrfs: fix wrong address when faulting in pages in the search ioctl (2020-09-14 17:27:16 +0200)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-5.9-rc6-tag

for you to fetch changes up to b5ddcffa37778244d5e786fe32f778edf2bfc93e:

  btrfs: fix put of uninitialized kobject after seed device delete (2020-09-22 15:57:52 +0200)

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Anand Jain (1):
      btrfs: fix put of uninitialized kobject after seed device delete

Johannes Thumshirn (1):
      btrfs: fix overflow when copying corrupt csums for a message

 fs/btrfs/disk-io.c | 11 +++++------
 fs/btrfs/sysfs.c   | 16 ++++++++++------
 2 files changed, 15 insertions(+), 12 deletions(-)