Project Number Date
test_Tails_ISO_feature-arti 11 28 Mar 2025, 16:28

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 11:41.572 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
24.733
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 8.113
And I prepare Tails for memory erasure tests 0.487
When I start a process allocating 128 MiB of memory with a known pattern 2.402
Then patterns cover at least 128 MiB in the guest's memory 3.910 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.351
Then I find very few patterns in the guest's memory after 5 seconds 8.469 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.733
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.051
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 8.319
And I prepare Tails for memory erasure tests 0.442
And I find very few patterns in the guest's memory 3.297 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.389
Then patterns cover at least 99% of the test FS size in the guest's memory 3.580 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.713
Then I find very few patterns in the guest's memory after 3 seconds 6.308 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.754
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.607
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 8.070
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.972
Then I find very few patterns in the guest's memory 2.867 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.842
Then patterns cover at least 75% of the test FS size in the guest's memory 3.843 
Pattern coverage: 90.277% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.171
Then I find very few patterns in the guest's memory after 3 seconds 6.332 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.219
And I read the content of the test FS 0.544
Then patterns cover at least 99% of the test FS size in the guest's memory 3.780 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.030
Then I find very few patterns in the guest's memory after 3 seconds 6.518 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.727
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.674
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 8.065
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.938
Then I find very few patterns in the guest's memory 2.912 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.891
Then patterns cover at least 99% of the test FS size in the guest's memory 3.295 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.867
Then I find very few patterns in the guest's memory after 3 seconds 6.314 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 4.974
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 2.801 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory after 3 seconds 6.253 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.197
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.365
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 8.199
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the root filesystem 15.165
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.893
Then patterns cover at least 128 MiB in the guest's memory 3.815 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.807 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.491
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.139
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 7:9.677
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.743
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.312 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.859
After features/support/hooks.rb:100 0.048