tag 617f4c82e0f3b85adefaeee7176e493455bebf55
tagger Todd Kjos <tkjos@google.com> Tue May 08 08:35:55 2018 -0700
object 086f384e23b5b282e4914ac2ce9522294471abd2

https://source.android.com/security/bulletin/2018-05-01
CVE-2017-16643
CVE-2017-5754
CVE-2018-5344
CVE-2017-15129

commit 086f384e23b5b282e4914ac2ce9522294471abd2
author Jaegeuk Kim <jaegeuk@kernel.org> Thu May 03 23:26:02 2018 -0700
committer Jaegeuk Kim <jaegeuk@google.com> Tue May 08 00:06:11 2018 +0000
tree a9e397d97c73aa53f0cf87fc54389a052e5a081e
parent fcce571117188a1d29189a98948357ace8cd1cdb

UPSTREAM: f2fs: avoid fsync() failure caused by EAGAIN in writepage()

pageout() in MM traslates EAGAIN, so calls handle_write_error()
 -> mapping_set_error() -> set_bit(AS_EIO, ...).
 file_write_and_wait_range() will see EIO error, which is critical
 to return value of fsync() followed by atomic_write failure to user.

Change-Id: I6124ed299baf5e5b8993bb6b54f07bb8771eda8c
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit 520a9486182437847212c8e226d042b1e14b7cc2)