[GIT PULL] Fix fill_files_note

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Kees,

Please pull the coredump-vma-snapshot-fix branch from the git tree:

  git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git coredump-vma-snapshot-fix

  HEAD: 390031c942116d4733310f0684beb8db19885fe6 coredump: Use the vma snapshot in fill_files_note

Matthew Wilcox has reported that a missing mmap_lock in file_files_note,
which could cause trouble.

Refactor the code and clean it up so that the vma snapshot makes
it to fill_files_note, and then use the vma snapshot in fill_files_note.

Eric W. Biederman (5):
      coredump: Move definition of struct coredump_params into coredump.h
      coredump: Snapshot the vmas in do_coredump
      coredump: Remove the WARN_ON in dump_vma_snapshot
      coredump/elf: Pass coredump_params into fill_note_info
      coredump: Use the vma snapshot in fill_files_note

 fs/binfmt_elf.c          | 66 ++++++++++++++++++++++--------------------------
 fs/binfmt_elf_fdpic.c    | 18 +++++--------
 fs/binfmt_flat.c         |  1 +
 fs/coredump.c            | 59 ++++++++++++++++++++++++++++---------------
 include/linux/binfmts.h  | 13 +---------
 include/linux/coredump.h | 20 ++++++++++++---
 6 files changed, 93 insertions(+), 84 deletions(-)

---

Kees I realized I needed to rebase this on Jann Horn's commit
84158b7f6a06 ("coredump: Also dump first pages of non-executable ELF
libraries").  Unfortunately before I got that done I got distracted and
these changes have been sitting in limbo for most of the development
cycle.  Since you are running a tree that is including changes like this
including Jann's can you please pull these changes into your tree.

Thank you,
Eric




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