Project Number Date
test_Tails_ISO_feature-arti 14 31 Mar 2025, 16:59

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 12:14.049 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
27.426
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 8.150
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 2.528
Then patterns cover at least 128 MiB in the guest's memory 4.389 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.380
Then I find very few patterns in the guest's memory after 5 seconds 10.477 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.843
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.364
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 8.967
And I prepare Tails for memory erasure tests 0.488
And I find very few patterns in the guest's memory 3.902 
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 2.589
Then patterns cover at least 99% of the test FS size in the guest's memory 4.469 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.872
Then I find very few patterns in the guest's memory after 3 seconds 7.074 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.834
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.298
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 8.915
And I prepare Tails for memory erasure tests 0.581
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.374
Then I find very few patterns in the guest's memory 3.879 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.708
Then patterns cover at least 75% of the test FS size in the guest's memory 3.801 
Pattern coverage: 86.797% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.371
Then I find very few patterns in the guest's memory after 3 seconds 6.830 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.296
And I read the content of the test FS 0.585
Then patterns cover at least 99% of the test FS size in the guest's memory 4.159 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.478
Then I find very few patterns in the guest's memory after 3 seconds 7.317 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.871
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 9.249
And I prepare Tails for memory erasure tests 0.591
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.027
Then I find very few patterns in the guest's memory 3.025 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.880
Then patterns cover at least 99% of the test FS size in the guest's memory 3.766 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.774
Then I find very few patterns in the guest's memory after 3 seconds 6.208 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 4.049
And I read the content of the test FS 1.247
Then patterns cover at least 99% of the test FS size in the guest's memory 3.361 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.513
Then I find very few patterns in the guest's memory after 3 seconds 6.174 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 2.204
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.222
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 8.187
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 17.095
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.923
Then patterns cover at least 128 MiB in the guest's memory 3.373 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.100
Then I find very few patterns in the guest's memory after 20 seconds 21.110 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.561
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:11.866
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 7:27.039
And I prepare Tails for memory erasure tests 0.510
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.959
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.340 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:330 3.550
After features/support/hooks.rb:100 0.012