Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 24 09 Nov 2024, 19:36

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 10:46.126 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
19.654
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.773
And I prepare Tails for memory erasure tests 0.420
When I start a process allocating 128 MiB of memory with a known pattern 1.228
Then patterns cover at least 128 MiB in the guest's memory 3.261 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.186
Then I find very few patterns in the guest's memory after 3 seconds 5.783 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.176
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.900
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 2.781 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.991
Then patterns cover at least 99% of the test FS size in the guest's memory 3.776 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.746
Then I find very few patterns in the guest's memory after 3 seconds 6.564 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.733
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.017
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.305
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.083
Then I find very few patterns in the guest's memory 2.616 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.762
Then patterns cover at least 75% of the test FS size in the guest's memory 3.364 
Pattern coverage: 88.168% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.405
Then I find very few patterns in the guest's memory after 3 seconds 5.528 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.460
And I read the content of the test FS 0.575
Then patterns cover at least 99% of the test FS size in the guest's memory 3.179 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.801
Then I find very few patterns in the guest's memory after 3 seconds 6.546 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.010
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.351
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.583
Then I find very few patterns in the guest's memory 2.686 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.929
Then patterns cover at least 99% of the test FS size in the guest's memory 2.510 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.978
Then I find very few patterns in the guest's memory after 3 seconds 5.396 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 5.456
And I read the content of the test FS 0.422
Then patterns cover at least 99% of the test FS size in the guest's memory 2.769 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.786
Then I find very few patterns in the guest's memory after 3 seconds 5.718 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.142
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.887
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the root filesystem 14.424
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.018
Then patterns cover at least 128 MiB in the guest's memory 2.679 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.723 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:13.123
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:31.552
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.993
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.141 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.047