User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0 Build ID: 20160524073714 Steps to reproduce: Using nightly after May 25th, and a brand new profile # Step 1 Visit http://www.whatarecookies.com/cookietest.asp # Step 2 - Goto Preferences > Privacy - Select "Use custom settings for history" option - Uncheck "Accept cookies from sites" - Visit http://www.whatarecookies.com/cookietest.asp # Step 3 - Goto Preferences > Privacy - Make sure "Accept cookies from sites" is NOT checked - Click "Exceptions" button next to it - Enter "http://www.whatarecookies.com/" in the "Address of website" box - Click "Allow" button and then "Save Changes" button - Visit http://www.whatarecookies.com/cookietest.asp Actual results: # Step 1 whatarecookies.com shows message "Cookies are ENABLED in this browser" # Step 2 whatarecookies.com shows message "Cookies are DISABLED in this browser" # Step 3 whatarecookies.com shows message "Cookies are DISABLED in this browser" Expected results: # Step 1 Got expected result # Step 2 Got expected result # Step 3 whatarecookies.com should shown message "Cookies are ENABLED in this browser". It seems when a cookies are disabled for all sites except for few white-listed ones, cookies are still being blocked for white-listed sites as well.

[Tracking Requested - why for this release]:

Regression window: https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=5e25db36b720b695da94b2bc1373ea369408e404&tochange=6647b13a6ad92410d6a71298eded13ca655edbbe Regressed by: Bug 219157 (I was surprised that in Firefox there is no automatic test!！)

I'll backout the patches, while we finish up work in bug 219157.

https://hg.mozilla.org/integration/mozilla-inbound/rev/8cb9e54529f5cb4c2d02a9f6a2ea3e52c653db65 Bug 1276462 - Backout c18023d517ed (Bug 219157) a=backout

Tracking this cookie regression for 49. In response to Alice's comment about a test in Comment 2, would it be possible for someone to write one?

landed https://hg.mozilla.org/mozilla-central/rev/8cb9e54529f5

Looks like this was fixed while 49 was on nightly, from comment 6.