Project Number Date
test_Tails_ISO_stable 5711 11 Jun 2025, 20:28

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 13:41.522 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
28.221
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 10.229
And I prepare Tails for memory erasure tests 0.543
When I start a process allocating 128 MiB of memory with a known pattern 1.202
Then patterns cover at least 128 MiB in the guest's memory 6.820 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.544
Then I find very few patterns in the guest's memory after 5 seconds 8.881 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.082
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 8.636
And I prepare Tails for memory erasure tests 0.557
And I find very few patterns in the guest's memory 4.594 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.923
Then patterns cover at least 99% of the test FS size in the guest's memory 6.677 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.475
Then I find very few patterns in the guest's memory after 3 seconds 8.217 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.913
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.943
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 9.773
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.674
Then I find very few patterns in the guest's memory 4.578 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.279
Then patterns cover at least 75% of the test FS size in the guest's memory 4.550 
Pattern coverage: 87.130% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.246
Then I find very few patterns in the guest's memory after 3 seconds 6.827 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 2.593
Then patterns cover at least 99% of the test FS size in the guest's memory 4.151 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory after 3 seconds 7.089 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.425
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:33.752
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 8.660
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.566
Then I find very few patterns in the guest's memory 3.559 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.066
Then patterns cover at least 99% of the test FS size in the guest's memory 4.122 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.769
Then I find very few patterns in the guest's memory after 3 seconds 7.496 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 4.519
And I read the content of the test FS 0.591
Then patterns cover at least 99% of the test FS size in the guest's memory 4.680 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.122
Then I find very few patterns in the guest's memory after 3 seconds 10.153 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 2.320
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
56.359
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.393
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 16.790
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.336
Then patterns cover at least 128 MiB in the guest's memory 6.187 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.053
Then I find very few patterns in the guest's memory after 20 seconds 21.034 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.680
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:15.163
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:27.920
And I prepare Tails for memory erasure tests 0.642
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.153
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.433 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.013