[Bug 1660643] [NEW] ESC crashes firefox

[Thom]

Public bug reported:

Since latest firefox upgrade, pressing Esc crashes the program.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: firefox 51.0.1+build2-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  tuomov     2770 F.... pulseaudio
 /dev/snd/controlC1:  tuomov     2770 F.... pulseaudio
BuildID: 20170125172221
Channel: Unavailable
CurrentDesktop: Unity
Date: Tue Jan 31 14:53:15 2017
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
IpRoute:
 default via 138.253.44.1 dev br0 
 138.253.44.0/23 dev br0  proto kernel  scope link  src 138.253.44.171
Locales: extensions.sqlite corrupt or missing
Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=51.0.1/20170125172221
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: yes
 	Hard blocked: no
RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: Upgraded to xenial on 2016-11-08 (83 days ago)
dmi.bios.date: 07/16/2015
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: L04 v02.22
dmi.board.asset.tag: 1019155
dmi.board.name: 1825
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: 1019155
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvrL04v02.22:bd07/16/2015:svnHewlett-Packard:pnHPEliteDesk800G1DM:pvr:rvnHewlett-Packard:rn1825:rvr:cvnHewlett-Packard:ct3:cvr:
dmi.product.name: HP EliteDesk 800 G1 DM
dmi.sys.vendor: Hewlett-Packard

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

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Title:
  ESC crashes firefox

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