Project Number Date
test_Tails_ISO_stable 5611 29 Apr 2025, 21:17

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 11:56.373 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
24.009
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 8.395
And I prepare Tails for memory erasure tests 0.468
When I start a process allocating 128 MiB of memory with a known pattern 1.352
Then patterns cover at least 128 MiB in the guest's memory 4.282 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.795
Then I find very few patterns in the guest's memory after 5 seconds 8.714 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.926
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 8.232
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.666 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.628
Then patterns cover at least 99% of the test FS size in the guest's memory 4.910 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.594
Then I find very few patterns in the guest's memory after 3 seconds 6.456 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.864
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.429
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 9.350
And I prepare Tails for memory erasure tests 0.755
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.105
Then I find very few patterns in the guest's memory 3.860 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.646
Then patterns cover at least 75% of the test FS size in the guest's memory 4.340 
Pattern coverage: 86.729% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.200
Then I find very few patterns in the guest's memory after 3 seconds 6.651 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 1.103
Then patterns cover at least 99% of the test FS size in the guest's memory 4.031 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory after 3 seconds 6.695 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.857
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.211
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 8.307
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.494
Then I find very few patterns in the guest's memory 3.136 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.015
Then patterns cover at least 99% of the test FS size in the guest's memory 3.660 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 6.532 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 4.849
And I read the content of the test FS 0.602
Then patterns cover at least 99% of the test FS size in the guest's memory 3.595 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.686
Then I find very few patterns in the guest's memory after 3 seconds 6.222 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.842
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 8.381
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the root filesystem 17.275
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.627
Then patterns cover at least 128 MiB in the guest's memory 3.163 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.896 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:6.954
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 7:20.394
And I prepare Tails for memory erasure tests 0.530
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.691
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.326 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:330 3.543
After features/support/hooks.rb:100 0.032