Cherry pick an upstream patch for tz dir traversal

Cherry pick an upstream patch for tz dir traversal

Upstream bug: http://bugs.icu-project.org/trac/ticket/12798
CLs: http://bugs.icu-project.org/trac/review/12798

This is for M55 branch (ICU 56.1).
Trunk/M56 has ICU 58.1 with this fix.

BUG=654090
TEST=See the bug
R=xyzzyz@chromium.org

Committed: https://chromium.googlesource.com/chromium/deps/icu/+/937c159e1e0e7ad726fcad97f893c5fd2e2ab869

[jungshik at Google, 2016-11-11 18:03:34]

jshin@chromium.org changed reviewers:
+ xyzzyz@chromium.org

[jungshik at Google, 2016-11-11 18:03:34]

PTAL. Thanks

[xyzzyz, 2016-11-11 18:31:26]

lgtm

I don't have access to bugstream bug though, so I cannot cross check it with
patch there.

[jungshik at Google, 2016-11-11 20:33:36]

On 2016/11/11 18:31:26, xyzzyz wrote:
> lgtm
> 
> I don't have access to bugstream bug though, so I cannot cross check it with
> patch there.

Thanks. Sorry for the access issue (flagged as 'sensitive'). Upstream patches
are at: 

http://bugs.icu-project.org/trac/review/12798

[jungshik at Google, 2016-11-11 20:33:53]

Description was changed from

==========
Cherry pick an upstream patch for tz dir traversal

Upstream bug: http://bugs.icu-project.org/trac/ticket/12798

This is for M55 branch (ICU 56.1).
Trunk/M56 has ICU 58.1 with this fix.

BUG=654090
TEST=See the bug
==========

to

==========
Cherry pick an upstream patch for tz dir traversal

Upstream bug: http://bugs.icu-project.org/trac/ticket/12798
CLs: http://bugs.icu-project.org/trac/review/12798

This is for M55 branch (ICU 56.1).
Trunk/M56 has ICU 58.1 with this fix.

BUG=654090
TEST=See the bug
==========

[jungshik at Google, 2016-11-11 20:34:46]

Description was changed from

==========
Cherry pick an upstream patch for tz dir traversal

Upstream bug: http://bugs.icu-project.org/trac/ticket/12798
CLs: http://bugs.icu-project.org/trac/review/12798

This is for M55 branch (ICU 56.1).
Trunk/M56 has ICU 58.1 with this fix.

BUG=654090
TEST=See the bug
==========

to

==========
Cherry pick an upstream patch for tz dir traversal

Upstream bug: http://bugs.icu-project.org/trac/ticket/12798
CLs: http://bugs.icu-project.org/trac/review/12798

This is for M55 branch (ICU 56.1).
Trunk/M56 has ICU 58.1 with this fix.

BUG=654090
TEST=See the bug
R=xyzzyz@chromium.org

Committed:
https://chromium.googlesource.com/chromium/deps/icu/+/937c159e1e0e7ad726fcad9...
==========

[jungshik at Google, 2016-11-11 20:34:47]

Committed patchset #1 (id:1) manually as
937c159e1e0e7ad726fcad97f893c5fd2e2ab869 (presubmit successful).