Project Number Date
test_Tails_ISO_devel 3798 01 May 2025, 13:44

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 12:34.499 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
30.508
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 9.207
And I prepare Tails for memory erasure tests 0.525
When I start a process allocating 128 MiB of memory with a known pattern 2.350
Then patterns cover at least 128 MiB in the guest's memory 6.744 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.196
Then I find very few patterns in the guest's memory after 5 seconds 10.483 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.926
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.546
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 9.748
And I prepare Tails for memory erasure tests 0.482
And I find very few patterns in the guest's memory 4.043 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.303
Then patterns cover at least 99% of the test FS size in the guest's memory 3.977 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.765
Then I find very few patterns in the guest's memory after 3 seconds 7.225 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.080
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.667
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 9.247
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.544
Then I find very few patterns in the guest's memory 4.444 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.936
Then patterns cover at least 75% of the test FS size in the guest's memory 4.620 
Pattern coverage: 89.454% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.395
Then I find very few patterns in the guest's memory after 3 seconds 7.339 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.298
And I read the content of the test FS 0.848
Then patterns cover at least 99% of the test FS size in the guest's memory 4.653 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.654
Then I find very few patterns in the guest's memory after 3 seconds 7.198 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.149
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.491
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 9.457
And I prepare Tails for memory erasure tests 0.536
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.395
Then I find very few patterns in the guest's memory 3.899 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.697
Then patterns cover at least 99% of the test FS size in the guest's memory 3.906 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.880
Then I find very few patterns in the guest's memory after 3 seconds 6.260 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 4.367
And I read the content of the test FS 0.532
Then patterns cover at least 99% of the test FS size in the guest's memory 3.497 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.945
Then I find very few patterns in the guest's memory after 3 seconds 6.113 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.870
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 8.463
And I prepare Tails for memory erasure tests 0.557
When I fill a 128 MiB file with a known pattern on the root filesystem 17.322
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.226
Then patterns cover at least 128 MiB in the guest's memory 3.417 
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 20.870 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.538
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:25.413
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 7:36.655
And I prepare Tails for memory erasure tests 0.677
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.494
When I trigger shutdown 0.029
Then I find very few patterns in the guest's memory after 20 seconds 21.556 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.574
After features/support/hooks.rb:100 0.014