Fairly old DIO bug caught by Andreas (3.10+) and several slightly
younger blk_rq_map_user_iov() bugs, both on map and copy codepaths (Vitaly
and me).
The following changes since commit 8a5776a5f49812d29fe4b2d0a2d71675c3facf3f:
Linux 4.14-rc4 (2017-10-08 20:53:29 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git for-linus
for you to fetch changes up to 1cfd0ddd82232804e03f3023f6a58b50dfef0574:
bio_copy_user_iov(): don't ignore ->iov_offset (2017-10-10 23:55:14 -0400)
----------------------------------------------------------------
Al Viro (2):
more bio_map_user_iov() leak fixes
bio_copy_user_iov(): don't ignore ->iov_offset
Andreas Gruenbacher (1):
direct-io: Prevent NULL pointer access in submit_page_section
Vitaly Mayatskikh (1):
fix unbalanced page refcounting in bio_map_user_iov
block/bio.c | 26 +++++++++++++++++++-------
fs/direct-io.c | 3 ++-
2 files changed, 21 insertions(+), 8 deletions(-)
