Chrome Version: 69.0.3494.0 (Developer Build) (64-bit)
                Revision	ca1156974cbe707fd023a00ae62104528833a44e-refs/heads/master@{#575509}
OS: Linux (gLinux)

What steps will reproduce the problem?
(1) Install the Source Code Pro font into ~/.fonts (any font? haven't tried with a different font).
(2) Start Chrome.

What is the expected result?

Running Chrome does not cause memory usage to grow in other apps.

What happens instead?

Memory usage grows unbounded in other (gnome?) desktop apps.

The rate is about 3-5 GB/min in aggregate.

Memory usage growth stops once Chrome is closed (but the allocated memory is not freed).

Also, when Chrome is running there is substantial jank in the UI (3-4 second freezes every second or so).



I ran a git bisect manually and it points to this revision: https://chromium-review.googlesource.com/c/chromium/src/+/1112179

Although it looks like that was reverted the issue still persists in the latest master (pulled today, July 17).



I dumped the memory of one of the apps that had high memory growth (csd-keyboard). It appears that most of the memory is a repetition of some binary data, but I picked out some strings (like ".fonts") . A partial dump of the repeated data is attached.



When the custom font is moved out of the ~/.fonts directory (and ~/.fonts is empty), the issue no longer happens.
 

Deleted: csd-keyboard-partial-dump.txt 21.2 KB

csd-keyboard-partial-dump.txt 21.2 KB View Download