Public bug reported:
SRU Justification:
[Impact]
This stable patchset update affects only the FUSE filesystem, since
we have received bug reports about FUSE causing problems with the
Bionic kernel, see also bug #1823972.
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch.
The following upstream
stable patches should be included in the Ubuntu kernel:
upstream stable patchset 2019-04-12 (ported from v4.15 .. v5.0)
from git://git.kernel.org/
fuse: decrement NR_WRITEBACK_TEMP on the right page
fuse: call pipe_buf_release() under pipe lock
fuse: handle zero sized retrieve correctly
fuse: continue to send FUSE_RELEASEDIR when FUSE_OPEN returns ENOSYS
fuse: fix use-after-free in fuse_direct_IO()
fuse: fix possibly missed wake-up after abort
fuse: fix leaked notify reply
fuse: fix blocked_waitq wakeup
fuse: set FR_SENT while locked
fuse: Fix use-after-free in fuse_dev_do_write()
fuse: Fix use-after-free in fuse_dev_do_read()
fuse: Don't access pipe->buffers without pipe_lock()
fuse: Fix oops at process_init_reply()
fuse: umount should wait for all requests
fuse: fix unlocked access to processing queue
fuse: fix double request_end()
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Andrea Righi (arighi)
Status: Invalid
** Affects: linux (Ubuntu Bionic)
Importance: Medium
Status: In Progress
** Tags: kernel-stable-tracking-bug
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Andrea Righi (arighi)
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https://bugs.launchpad.net/bugs/1824553
Title:
Bionic update: update stable patchset for fuse 2019-04-12
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