tree db916b46868e69de1767b90c49684beec96a56db
parent 7d4da07220ac9938e6314013b51d3e8ebf6d1b83
author Kalvin Lee <kdlee@chromium.org> 1556325606 -0700
committer Sean Kau <skau@chromium.org> 1557857271 +0000

Waterproof strlcpy() call on IPP make-and-model.

We observed lpadmin crashes in _ppdCreateFromIPP(). ippGetString() was
somehow returning NULL for "printer-make-and-model" when
ippFindAttribute() already returned non-NULL. The subsequent call to
strlcpy() crashes the program.

BUG=chromium:929221
TEST=platform_AddPrinter,platform_DebugDaemonCupsAddPrinters

Change-Id: Ic7171dc4966f77b2979c6292e4617d9409ad32d2
Reviewed-on: https://chromium-review.googlesource.com/1586680
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Kalvin Lee <kdlee@chromium.org>
Reviewed-by: David Valleau <valleau@chromium.org>
(cherry picked from commit 7c6d80e997f3904e6e77d45ea40159efedc6750e)