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Re: [tor-bugs] #19921 [Applications/Tor Browser]: Tor Browser: improper handling of 404 images (was: TBB 6.5a2: something is going wrong)
#19921: Tor Browser: improper handling of 404 images
--------------------------------------+--------------------------
Reporter: bugzilla | Owner: tbb-team
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Major | Resolution:
Keywords: tbb-linkability | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
--------------------------------------+--------------------------
Changes (by bugzilla):
* status: needs_information => new
* severity: Normal => Major
Comment:
Confirmed for TBB 6.0.4 too: instead of showing
{{{
GET https://trac.torproject.org/feed.png [HTTP/1.1 404 Not Found 562ms]
}}}
TBB sometimes shows
{{{
[08-24 21:00:23] Torbutton INFO: tor SOCKS:
https://trac.torproject.org/projects/tor/chrome/common/attachment.png via
torproject.org:c880b1ec9815e42c9f97cc9154f1383a
[08-24 21:00:23] Torbutton INFO: tor SOCKS:
https://trac.torproject.org/feed.png via
torproject.org:c880b1ec9815e42c9f97cc9154f1383a
NS_ERROR_NOT_AVAILABLE: Component returned failure code: 0x80040111
(NS_ERROR_NOT_AVAILABLE) [nsIHttpChannel.getResponseHeader] content-
policy.js:67:0
getFirstPartyURI failed for https://trac.torproject.org/projects/tor/raw-
attachment/ticket/15842/DisablePlugins.png: 0x80070057
[08-24 21:00:25] Torbutton INFO: Component returned failure code:
0x80070057 (NS_ERROR_ILLEGAL_VALUE)
[mozIThirdPartyUtil.getFirstPartyURIFromChannel]
[08-24 21:00:25] Torbutton INFO: tor catchall circuit has been dirty for
over 10 minutes. Rotating.
[08-24 21:00:25] Torbutton INFO: New domain isolation for --unknown--:
8f232df465b21a5e26cfca9dec9de45b
[08-24 21:00:25] Torbutton INFO: tor SOCKS isolation catchall:
https://trac.torproject.org/projects/tor/raw-
attachment/ticket/15842/DisablePlugins.png via
--unknown--:8f232df465b21a5e26cfca9dec9de45b
}}}
(The next image is always different, not only DisablePlugins.png)
There is no easy STR, but you could try some steps to see more fun:
start TBB, open Console, open Trac timeline, open Page Info and see what's
going on in the Console and the network load ;)
Sometimes the bug appears after this, when you refresh the webpage.
#18361 can be used instead of timeline.
It's mandatory to restart TBB before every try (because of image caching).
Update: wow, got this during watching images up and down in Page Info of
the mentioned ticket and closing it (TBB 6.5a2)
{{{
18:14:50.053 A promise chain failed to handle a rejection. Did you forget
to '.catch', or did you forget to 'return'?
See
https://developer.mozilla.org/Mozilla/JavaScript_code_modules/Promise.jsm/Promise
Date: Sat Aug 27 2016 18:13:56 GMT+0000 (UTC)
Full Message: Component returned failure code: 0x80004005
(NS_ERROR_FAILURE) [imgIRequest.image]
Full Stack: JS frame :: chrome://browser/content/content.js ::
PageInfoListener.serializeElementInfo :: line 1189
JS frame :: chrome://browser/content/content.js ::
PageInfoListener.getMediaNode/addImage :: line 1082
JS frame :: chrome://browser/content/content.js ::
PageInfoListener.getMediaNode :: line 1116
JS frame :: chrome://browser/content/content.js ::
PageInfoListener.processFrames :: line 1058
JS frame :: resource://gre/modules/Task.jsm :: TaskImpl_run :: line 3151
content.js:1189:0
}}}
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19921#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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