Project Number Date
test_Tails_ISO_devel 3770 07 Apr 2025, 16:58

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 10:56.131 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
25.360
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 8.942
And I prepare Tails for memory erasure tests 0.546
When I start a process allocating 128 MiB of memory with a known pattern 2.393
Then patterns cover at least 128 MiB in the guest's memory 3.453 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.970
Then I find very few patterns in the guest's memory after 5 seconds 9.052 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.722
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.074
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 8.135
And I prepare Tails for memory erasure tests 0.468
And I find very few patterns in the guest's memory 3.093 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.112
Then patterns cover at least 99% of the test FS size in the guest's memory 3.515 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.631
Then I find very few patterns in the guest's memory after 3 seconds 6.118 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.849
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.737
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 8.074
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.059
Then I find very few patterns in the guest's memory 2.816 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.840
Then patterns cover at least 75% of the test FS size in the guest's memory 3.545 
Pattern coverage: 89.252% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.002
Then I find very few patterns in the guest's memory after 3 seconds 6.012 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.417
And I read the content of the test FS 0.693
Then patterns cover at least 99% of the test FS size in the guest's memory 3.265 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 6.093 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.781
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.002
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 8.057
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.942
Then I find very few patterns in the guest's memory 2.512 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.788
Then patterns cover at least 99% of the test FS size in the guest's memory 2.835 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.686
Then I find very few patterns in the guest's memory after 3 seconds 5.508 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 3.675
And I read the content of the test FS 0.613
Then patterns cover at least 99% of the test FS size in the guest's memory 2.839 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.557
Then I find very few patterns in the guest's memory after 3 seconds 5.578 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.265
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.870
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 8.935
And I prepare Tails for memory erasure tests 0.630
When I fill a 128 MiB file with a known pattern on the root filesystem 18.981
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.996
Then patterns cover at least 128 MiB in the guest's memory 2.596 
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 20.716 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:17.085
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:29.003
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.425
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.193 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.498
After features/support/hooks.rb:100 0.011