Project Number Date
test_Tails_ISO_feature-arti 32 17 Apr 2025, 20:29

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 13:1.057 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
26.380
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 8.751
And I prepare Tails for memory erasure tests 0.718
When I start a process allocating 128 MiB of memory with a known pattern 2.609
Then patterns cover at least 128 MiB in the guest's memory 4.682 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.766
Then I find very few patterns in the guest's memory after 5 seconds 8.852 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.953
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 8.995
And I prepare Tails for memory erasure tests 0.626
And I find very few patterns in the guest's memory 4.224 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.010
Then patterns cover at least 99% of the test FS size in the guest's memory 4.164 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.487
Then I find very few patterns in the guest's memory after 3 seconds 6.445 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.736
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.785
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 8.231
And I prepare Tails for memory erasure tests 0.620
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.294
Then I find very few patterns in the guest's memory 3.691 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.674
Then patterns cover at least 75% of the test FS size in the guest's memory 6.770 
Pattern coverage: 88.444% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.311
Then I find very few patterns in the guest's memory after 3 seconds 6.859 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.215
And I read the content of the test FS 3.840
Then patterns cover at least 99% of the test FS size in the guest's memory 4.777 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.365
Then I find very few patterns in the guest's memory after 3 seconds 8.132 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.225
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 8.933
And I prepare Tails for memory erasure tests 0.876
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.113
Then I find very few patterns in the guest's memory 3.424 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.698
Then patterns cover at least 99% of the test FS size in the guest's memory 3.650 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.746
Then I find very few patterns in the guest's memory after 3 seconds 6.233 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 3.698
And I read the content of the test FS 2.038
Then patterns cover at least 99% of the test FS size in the guest's memory 4.179 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.645
Then I find very few patterns in the guest's memory after 3 seconds 5.987 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.143
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.203
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 8.242
And I prepare Tails for memory erasure tests 0.741
When I fill a 128 MiB file with a known pattern on the root filesystem 14.766
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.953
Then patterns cover at least 128 MiB in the guest's memory 4.402 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.043
Then I find very few patterns in the guest's memory after 20 seconds 21.053 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.630
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:59.509
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 8:13.801
And I prepare Tails for memory erasure tests 0.501
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.871
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.319 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.543
After features/support/hooks.rb:100 0.016