Project Number Date
test_Tails_ISO_stable 5692 02 Jun 2025, 13:19

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 13:17.255 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
25.422
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 8.213
And I prepare Tails for memory erasure tests 0.467
When I start a process allocating 128 MiB of memory with a known pattern 2.345
Then patterns cover at least 128 MiB in the guest's memory 4.642 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.011
Then I find very few patterns in the guest's memory after 5 seconds 8.742 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 0.693
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.333
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 8.309
And I prepare Tails for memory erasure tests 0.704
And I find very few patterns in the guest's memory 4.895 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.005
Then patterns cover at least 99% of the test FS size in the guest's memory 4.554 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.514
Then I find very few patterns in the guest's memory after 3 seconds 7.350 
Pattern coverage: 0.000% (0 MiB out of 887 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
55.271
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 8.794
And I prepare Tails for memory erasure tests 0.559
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.247
Then I find very few patterns in the guest's memory 4.031 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.163
Then patterns cover at least 75% of the test FS size in the guest's memory 4.228 
Pattern coverage: 88.422% (112 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 7.392 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.777
Then patterns cover at least 99% of the test FS size in the guest's memory 5.546 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.477
Then I find very few patterns in the guest's memory after 3 seconds 8.755 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.387
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:31.000
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 9.969
And I prepare Tails for memory erasure tests 0.643
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.534
Then I find very few patterns in the guest's memory 3.511 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.058
Then patterns cover at least 99% of the test FS size in the guest's memory 4.023 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.734
Then I find very few patterns in the guest's memory after 3 seconds 6.888 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 6.542
And I read the content of the test FS 1.269
Then patterns cover at least 99% of the test FS size in the guest's memory 4.142 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.487
Then I find very few patterns in the guest's memory after 3 seconds 6.193 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.497
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.908
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 9.152
And I prepare Tails for memory erasure tests 1.284
When I fill a 128 MiB file with a known pattern on the root filesystem 18.717
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.740
Then patterns cover at least 128 MiB in the guest's memory 3.412 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 21.576 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:1.319
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 8:16.645
And I prepare Tails for memory erasure tests 0.599
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.669
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.389 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.555
After features/support/hooks.rb:100 0.015