Opened on 06/17/2016 at 09:55:10 AM

Last modified on 10/08/2019 at 05:48:27 PM

#4165 reopened defect

Memory Pressure Crash after page scrolling on

Reported by: scheer Assignee:
Priority: P2 Milestone:
Module: Adblock-Browser-for-iOS Keywords: cantfix
Cc: pavelz, mario Blocked By:
Blocking: Platform: Adblock Browser for iOS
Ready: yes Confidential: no
Tester: Unknown Verified working: no
Review URL(s):


When the user scrolls quickly through particular pages without the content being fully loaded, ABB crashes. Upon restarting ABB, there is no option to send a crash report, which, after previous experience points towards a memory issue. Please see the JETSAM attached from the crashes.


ABB 1.4.0-qa (1036)
iPhone 6 Plus
iOS 9.3.1
ABP Enabled
AA Enabled
English Easylist
All 'more options' disabled

How to reproduce

  1. Visit
  2. Before the page has fully loaded scroll quickly to the very bottom of page


  1. If the page has loaded with 'Load 3 more images' then select this and scroll quickly to the bottom of the page

Observed behaviour

ABB crashes.

Expected behaviour

ABB should not crash.

Attachments (1)

JETSAM CRASH.txt (17.7 KB) - added by scheer on 06/17/2016 at 09:55:19 AM.

Download all attachments as: .zip

Change History (10)

Changed on 06/17/2016 at 09:55:19 AM by scheer

comment:1 Changed on 06/17/2016 at 01:18:46 PM by pavelz

  • Resolution set to fixed
  • Status changed from new to closed

Fixed in 1.4.0 qa build 1043 by merging fix from develop listed in

comment:2 Changed on 06/17/2016 at 01:41:07 PM by pavelz

  • Resolution fixed deleted
  • Status changed from closed to reopened

comment:3 Changed on 06/17/2016 at 01:43:05 PM by pavelz

Sorry wrong resolution. Mixed up with 4166.
But anyway @scheer, i can't reproduce. Step 2. does not take me very far as the page is quite short initially and it reflows only when there are the comments. Then it's pretty much complete so nothing else is loading. Step 3. i don't see any "Load 3 more images" action. I'm not proficient with imgur, sorry :)

comment:4 Changed on 06/20/2016 at 07:04:01 AM by scheer

  • Summary changed from Memory Pressure Crash to Memory Pressure Crash after page scrolling on

comment:5 Changed on 06/20/2016 at 07:12:06 AM by scheer

@pavelz the 'load 3 more images' occurs when the page has not yet had time to load fully and there are more images to display. Sometimes this happens when you scroll too fast, sometimes it bypasses this and just loads the images straight away. Try some other articles on that have a slightly larger page length (or image content). This, however, still occurs on the link given on the iPhone 6 Plus, iOS 9.3.1 for me.

As for step 2, loading fast or not, this still occurred for me in the given article. As soon as you select the link and the first image is loaded, 'flick' the screen up (to scroll down) and continue to do so until you reach the bottom of the page. Just so we are clear here - users would have this behaviour if they had already been to the post and wanted to see the last image again, the comments again etc. Users may also perform this behaviour if they simply wanted to read the comments without looking at the article.

comment:6 Changed on 06/20/2016 at 11:39:39 AM by mario

  • Cc pavelz mario added

comment:7 Changed on 06/23/2016 at 09:38:27 AM by mario

  • Priority changed from Unknown to P2
  • Ready set

comment:8 Changed on 11/03/2016 at 08:46:49 AM by pavelz

  • Keywords cantfix added

comment:9 Changed on 09/19/2019 at 02:34:26 AM by phamyen


Last edited on 10/08/2019 at 05:48:27 PM by kzar

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