Project Number Date
test_Tails_ISO_20860-unsafe-browser-desktop-portals 6 11 May 2025, 20:48

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 11:20.646 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
24.091
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.409
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 2.313
Then patterns cover at least 128 MiB in the guest's memory 3.787 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.679
Then I find very few patterns in the guest's memory after 5 seconds 8.462 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.753
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.249
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.258
And I prepare Tails for memory erasure tests 1.085
And I find very few patterns in the guest's memory 4.052 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.580
Then patterns cover at least 99% of the test FS size in the guest's memory 4.161 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.539
Then I find very few patterns in the guest's memory after 3 seconds 6.570 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 0.686
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.476
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.292
And I prepare Tails for memory erasure tests 0.391
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.118
Then I find very few patterns in the guest's memory 4.421 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.796
Then patterns cover at least 75% of the test FS size in the guest's memory 4.205 
Pattern coverage: 90.758% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.938
Then I find very few patterns in the guest's memory after 3 seconds 6.635 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
# read cache
When I mount the USB drive again 0.251
And I read the content of the test FS 0.532
Then patterns cover at least 99% of the test FS size in the guest's memory 4.159 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.478
Then I find very few patterns in the guest's memory after 3 seconds 8.255 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:330 1.217
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.913
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 10.269
And I prepare Tails for memory erasure tests 0.625
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.749
Then I find very few patterns in the guest's memory 2.839 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.579
Then patterns cover at least 99% of the test FS size in the guest's memory 2.758 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.875
Then I find very few patterns in the guest's memory after 3 seconds 6.831 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 8.108
And I read the content of the test FS 0.354
Then patterns cover at least 99% of the test FS size in the guest's memory 3.364 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.581
Then I find very few patterns in the guest's memory after 3 seconds 5.975 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 1.063
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.749
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 10.340
And I prepare Tails for memory erasure tests 0.563
When I fill a 128 MiB file with a known pattern on the root filesystem 13.614
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.789
Then patterns cover at least 128 MiB in the guest's memory 6.595 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.826 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.167
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:42.183
And I prepare Tails for memory erasure tests 0.581
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.112
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.273 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.515
After features/support/hooks.rb:100 0.013