[tbb-bugs] #30239 [Applications/Tor Browser]: TBA: Gracefully handle auto-restart after crash

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#30239: TBA: Gracefully handle auto-restart after crash
--------------------------------------+--------------------------
 Reporter:  sysrqb                    |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-mobile                |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+--------------------------

Comment (by sysrqb):

 For comparison:

 Inducing crash when app is in the foreground:
 {{{
 16:45:42.208  3366  3672 I ActivityManager: Killing
 18191:org.torproject.torbrowser_alpha/u0a163 (adj 200): crash
 16:45:42.209  3366  3672 W ActivityManager: Scheduling restart of crashed
 service
 org.torproject.torbrowser_alpha/org.torproject.android.service.TorService
 in 1000ms
 16:45:42.210  3366  3672 W ActivityManager: Scheduling restart of crashed
 service
 org.torproject.torbrowser_alpha/org.mozilla.gecko.media.MediaControlService
 in 11000ms
 16:45:42.223  3366  3672 I ActivityManager: START u0
 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER]
 flg=0x10300000
 cmp=org.torproject.torbrowser_alpha/org.mozilla.gecko.BrowserApp (has
 extras)} from uid 10163
 16:45:42.393  3366  3385 I zygote64: Successfully killed process cgroup
 uid 10163 pid 18191 in 183ms
 16:45:42.401  3366  3852 I ActivityManager: Start proc
 7967:org.torproject.torbrowser_alpha/u0a163 for activity
 org.torproject.torbrowser_alpha/org.mozilla.gecko.BrowserApp
 16:45:42.421  3366  3383 W ActivityManager: Stopping service due to app
 idle: u0a163 -12h38m17s389ms
 org.torproject.torbrowser_alpha/org.torproject.android.service.TorService
 16:45:42.557  7967  7967 I GeckoApplication: zerdatime 1133026572 -
 application start
 16:45:42.597  7967  7967 D GeckoMemoryMonitor: onTrimMemory() notification
 received with level 5
 16:45:42.597  7967  7967 D GeckoMemoryMonitor: increasing memory pressure
 to 2
 16:45:42.677  7967  7987 D GeckoSharedPrefs: Current version = 2, prefs
 version = 2
 16:45:42.900  7967  7967 D GeckoThread: State changed to LAUNCHED
 16:45:42.901  7967  7991 I GeckoThread: preparing to run Gecko
 16:45:42.902  7967  7991 D GeckoThread: State changed to MOZGLUE_READY
 16:45:42.915  7967  7991 E GeckoLibLoad: Load sqlite start
 }}}

 Inducing crash when app is in the background:
 {{{
 16:48:45.775  3366 32292 I ActivityManager: Killing
 7967:org.torproject.torbrowser_alpha/u0a163 (adj 200): crash
 16:48:45.776  3366 32292 W ActivityManager: Scheduling restart of crashed
 service
 org.torproject.torbrowser_alpha/org.mozilla.gecko.media.MediaControlService
 in 1000ms
 16:48:45.776  3366 32292 W ActivityManager: Scheduling restart of crashed
 service
 org.torproject.torbrowser_alpha/org.torproject.android.service.TorService
 in 1000ms
 16:48:45.854  3366  5727 I WindowManager: WIN DEATH: Window{117bf63 u0
 org.torproject.torbrowser_alpha/org.mozilla.gecko.BrowserApp}
 16:48:45.865  3366  3385 I zygote64: Successfully killed process cgroup
 uid 10163 pid 7967 in 88ms
 16:48:46.793  3366  3383 I ActivityManager: Start proc
 8338:org.torproject.torbrowser_alpha/u0a163 for service
 org.torproject.torbrowser_alpha/org.torproject.android.service.TorService
 16:48:46.883  8338  8338 I GeckoApplication: zerdatime 1133210899 -
 application start
 16:48:46.905  8338  8338 D GeckoMemoryMonitor: onTrimMemory() notification
 received with level 5
 16:48:46.905  8338  8338 D GeckoMemoryMonitor: increasing memory pressure
 to 2
 16:48:46.910  8338  8338 W orbrowser_alpha: type=1400 audit(0.0:467): avc:
 denied { setattr } for name="libTor.so" dev="dm-2" ino=392562
 scontext=u:r:untrusted_app:s0:c512,c768
 tcontext=u:object_r:apk_data_file:s0 tclass=file permissive=0
 16:48:46.917  8338  8338 I TorService: onCreate end
 16:48:46.930  8338  8338 D Orbot   : Got null onStartCommand() intent
 16:48:47.039  8338  8354 D torResources: deleting existing torrc.custom
 16:48:59.927  3946  3946 D ServiceStateProvider: subId=1


 16:50:24.837  3366  1981 I ActivityManager: START u0
 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER]
 flg=0x10200000 cmp=org.torproject.torbrowser_alpha/.App
 bnds=[237,1607][448,1807] (has extras)} from uid 10031
 16:50:24.897  3366  3379 I ActivityManager: START u0
 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER]
 flg=0x200000
 cmp=org.torproject.torbrowser_alpha/org.mozilla.gecko.BrowserApp
 bnds=[237,1607][448,1807] (has extras)} from uid 10163
 16:50:24.952  8338  8353 D GeckoSharedPrefs: Current version = 2, prefs
 version = 2
 16:50:24.960  8338  8338 D GeckoThread: State changed to LAUNCHED
 16:50:24.961  8338  8469 I GeckoThread: preparing to run Gecko
 16:50:24.962  8338  8469 D GeckoThread: State changed to MOZGLUE_READY
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30239#comment:1>
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