[SRU] [Bionic] [PULL] Bionic upstream stable patchset for fuse 2019-04-12

[Andrea Righi]

This pull request includes the following stable patches for the FUSE
filesystem, since we have received bug reports about FUSE causing
problems with the Bionic kernel (e.g., LP: #1823972):

Bionic update: upstream stable patchset for fuse 2019-04-12
(ported from v4.15 .. v5.0)
BugLink: http://bugs.launchpad.net/bugs/1824553

The following changes since commit 5f1ee1100f874b50e5f53d8e772a447acdffe1af:

  openvswitch: fix flow actions reallocation (2019-04-08 17:22:37 +0200)

are available in the Git repository at:

  git://git.launchpad.net/~arighi/+git/bionic-linux fuse-fixes

for you to fetch changes up to 15e8d37ca0ee1367908467e894c1b0154319de39:

  fuse: decrement NR_WRITEBACK_TEMP on the right page (2019-04-12 18:10:09 +0200)

----------------------------------------------------------------
Andrey Ryabinin (1):
      fuse: Don't access pipe->buffers without pipe_lock()

Chad Austin (1):
      fuse: continue to send FUSE_RELEASEDIR when FUSE_OPEN returns ENOSYS

Jann Horn (1):
      fuse: call pipe_buf_release() under pipe lock

Kirill Tkhai (2):
      fuse: Fix use-after-free in fuse_dev_do_read()
      fuse: Fix use-after-free in fuse_dev_do_write()

Lukas Czerner (1):
      fuse: fix use-after-free in fuse_direct_IO()

Miklos Szeredi (10):
      fuse: fix double request_end()
      fuse: fix unlocked access to processing queue
      fuse: umount should wait for all requests
      fuse: Fix oops at process_init_reply()
      fuse: set FR_SENT while locked
      fuse: fix blocked_waitq wakeup
      fuse: fix leaked notify reply
      fuse: fix possibly missed wake-up after abort
      fuse: handle zero sized retrieve correctly
      fuse: decrement NR_WRITEBACK_TEMP on the right page

 fs/fuse/dev.c    | 78 +++++++++++++++++++++++++++++++++++++++++++++-----------
 fs/fuse/dir.c    |  2 +-
 fs/fuse/file.c   | 27 +++++++++++---------
 fs/fuse/fuse_i.h |  3 ++-
 fs/fuse/inode.c  | 23 ++++++++---------
 5 files changed, 92 insertions(+), 41 deletions(-)