Project Number Date
test_Tails_ISO_devel 3774 10 Apr 2025, 11:40

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 10:56.832 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
24.299
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 7.995
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 2.467
Then patterns cover at least 128 MiB in the guest's memory 3.476 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.301
Then I find very few patterns in the guest's memory after 5 seconds 8.620 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.731
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.209
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 7.849
And I prepare Tails for memory erasure tests 0.447
And I find very few patterns in the guest's memory 3.610 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.301
Then patterns cover at least 99% of the test FS size in the guest's memory 4.840 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.596
Then I find very few patterns in the guest's memory after 3 seconds 6.564 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.739
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.104
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 8.014
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.481
Then I find very few patterns in the guest's memory 3.748 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.539
Then patterns cover at least 75% of the test FS size in the guest's memory 4.281 
Pattern coverage: 90.360% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.204
Then I find very few patterns in the guest's memory after 3 seconds 6.708 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.368
And I read the content of the test FS 1.601
Then patterns cover at least 99% of the test FS size in the guest's memory 3.767 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.446
Then I find very few patterns in the guest's memory after 3 seconds 6.510 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.658
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.447
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 8.244
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.586
Then I find very few patterns in the guest's memory 3.010 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.827
Then patterns cover at least 99% of the test FS size in the guest's memory 3.477 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.719
Then I find very few patterns in the guest's memory after 3 seconds 5.950 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 4.636
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.318 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.827
Then I find very few patterns in the guest's memory after 3 seconds 5.970 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.450
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.814
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 8.310
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the root filesystem 18.329
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.356
Then patterns cover at least 128 MiB in the guest's memory 2.671 
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 20.720 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:8.955
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 6:24.699
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.549
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.231 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.012