Project Number Date
test_Tails_ISO_stable 5480 25 Feb 2025, 12:28

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 11:19.957 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
25.753
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 8.210
And I prepare Tails for memory erasure tests 0.415
When I start a process allocating 128 MiB of memory with a known pattern 2.434
Then patterns cover at least 128 MiB in the guest's memory 4.645 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.239
Then I find very few patterns in the guest's memory after 5 seconds 8.808 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.999
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.302
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 8.247
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 3.751 
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 2.155
Then patterns cover at least 99% of the test FS size in the guest's memory 4.102 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.772
Then I find very few patterns in the guest's memory after 3 seconds 5.893 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.144
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 8.086
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.945
Then I find very few patterns in the guest's memory 2.727 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.856
Then patterns cover at least 75% of the test FS size in the guest's memory 3.931 
Pattern coverage: 84.485% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.666
Then I find very few patterns in the guest's memory after 3 seconds 6.590 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.284
And I read the content of the test FS 0.734
Then patterns cover at least 99% of the test FS size in the guest's memory 4.408 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.964
Then I find very few patterns in the guest's memory after 3 seconds 7.544 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.006
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.269
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 9.053
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.818
Then I find very few patterns in the guest's memory 3.067 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.532
Then patterns cover at least 99% of the test FS size in the guest's memory 3.544 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.684
Then I find very few patterns in the guest's memory after 3 seconds 6.031 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.614
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 3.342 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.864
Then I find very few patterns in the guest's memory after 3 seconds 6.866 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.713
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.099
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 8.039
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 16.628
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.131
Then patterns cover at least 128 MiB in the guest's memory 3.020 
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 20.851 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.511
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:28.386
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 6:39.990
And I prepare Tails for memory erasure tests 0.839
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.287
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.255 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.721
After features/support/hooks.rb:100 0.011