Project Number Date
test_Tails_ISO_devel 3767 05 Apr 2025, 14:00

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 11:27.301 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
22.629
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 8.619
And I prepare Tails for memory erasure tests 0.498
When I start a process allocating 128 MiB of memory with a known pattern 1.313
Then patterns cover at least 128 MiB in the guest's memory 3.241 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.421
Then I find very few patterns in the guest's memory after 5 seconds 8.535 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.777
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.270
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 8.538
And I prepare Tails for memory erasure tests 0.505
And I find very few patterns in the guest's memory 3.211 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.594
Then patterns cover at least 99% of the test FS size in the guest's memory 3.740 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.420
Then I find very few patterns in the guest's memory after 3 seconds 6.260 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 0.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.097
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 8.134
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.193
Then I find very few patterns in the guest's memory 3.978 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 8.262
Then patterns cover at least 75% of the test FS size in the guest's memory 4.053 
Pattern coverage: 85.851% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.876
Then I find very few patterns in the guest's memory after 3 seconds 5.790 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.253
And I read the content of the test FS 0.595
Then patterns cover at least 99% of the test FS size in the guest's memory 3.315 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.386
Then I find very few patterns in the guest's memory after 3 seconds 6.762 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.894
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.255
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.766
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.870
Then I find very few patterns in the guest's memory 2.682 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.566
Then patterns cover at least 99% of the test FS size in the guest's memory 2.845 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.221
Then I find very few patterns in the guest's memory after 3 seconds 5.761 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 5.092
And I read the content of the test FS 0.457
Then patterns cover at least 99% of the test FS size in the guest's memory 3.039 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.511
Then I find very few patterns in the guest's memory after 3 seconds 5.969 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 2.028
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.542
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 8.630
And I prepare Tails for memory erasure tests 0.551
When I fill a 128 MiB file with a known pattern on the root filesystem 18.715
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.683
Then patterns cover at least 128 MiB in the guest's memory 3.149 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.799 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.497
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.505
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 6:49.410
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.345
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.327 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.490
After features/support/hooks.rb:100 0.011