Project Number Date
test_Tails_ISO_stable 5742 26 Jun 2025, 17:46

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 12:5.136 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
27.595
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 9.941
And I prepare Tails for memory erasure tests 0.641
When I start a process allocating 128 MiB of memory with a known pattern 2.589
Then patterns cover at least 128 MiB in the guest's memory 3.686 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.713
Then I find very few patterns in the guest's memory after 5 seconds 10.023 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.853
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.165
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 9.852
And I prepare Tails for memory erasure tests 0.425
And I find very few patterns in the guest's memory 3.280 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.232
Then patterns cover at least 99% of the test FS size in the guest's memory 5.993 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.445
Then I find very few patterns in the guest's memory after 3 seconds 5.936 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.707
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 11.014
And I prepare Tails for memory erasure tests 0.564
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.091
Then I find very few patterns in the guest's memory 3.406 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.941
Then patterns cover at least 75% of the test FS size in the guest's memory 4.761 
Pattern coverage: 94.352% (120 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.867
Then I find very few patterns in the guest's memory after 3 seconds 5.487 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.387
And I read the content of the test FS 0.717
Then patterns cover at least 99% of the test FS size in the guest's memory 3.208 
Pattern coverage: 100.682% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.382
Then I find very few patterns in the guest's memory after 3 seconds 5.875 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.641
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.907
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 9.555
And I prepare Tails for memory erasure tests 0.898
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 47.027
Then I find very few patterns in the guest's memory 3.063 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.749
Then patterns cover at least 99% of the test FS size in the guest's memory 3.077 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.614
Then I find very few patterns in the guest's memory after 3 seconds 5.986 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 4.448
And I read the content of the test FS 0.727
Then patterns cover at least 99% of the test FS size in the guest's memory 3.824 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.593
Then I find very few patterns in the guest's memory after 3 seconds 5.340 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.049
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.462
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 9.664
And I prepare Tails for memory erasure tests 0.600
When I fill a 128 MiB file with a known pattern on the root filesystem 15.876
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.361
Then patterns cover at least 128 MiB in the guest's memory 3.833 
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 21.112 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.549
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:56.297
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 7:11.556
And I prepare Tails for memory erasure tests 0.669
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.689
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 21.355 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.574
After features/support/hooks.rb:100 0.013