Project Number Date
test_Tails_ISO_devel 3888 26 Jun 2025, 18:12

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 12:21.197 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
23.822
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 8.740
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 1.203
Then patterns cover at least 128 MiB in the guest's memory 3.390 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.697
Then I find very few patterns in the guest's memory after 5 seconds 9.371 
Pattern coverage: 0.000% (0 MiB out of 880 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
27.903
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 8.949
And I prepare Tails for memory erasure tests 0.521
And I find very few patterns in the guest's memory 5.297 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.242
Then patterns cover at least 99% of the test FS size in the guest's memory 4.154 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.516
Then I find very few patterns in the guest's memory after 3 seconds 6.220 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.243
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 11.949
And I prepare Tails for memory erasure tests 0.510
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.298
Then I find very few patterns in the guest's memory 4.268 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.609
Then patterns cover at least 75% of the test FS size in the guest's memory 3.817 
Pattern coverage: 90.853% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.622
Then I find very few patterns in the guest's memory after 3 seconds 8.530 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.469
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 4.211 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.652
Then I find very few patterns in the guest's memory after 3 seconds 5.587 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.092
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.004
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 9.106
And I prepare Tails for memory erasure tests 0.593
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.585
Then I find very few patterns in the guest's memory 3.205 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.713
Then patterns cover at least 99% of the test FS size in the guest's memory 2.516 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.914
Then I find very few patterns in the guest's memory after 3 seconds 8.881 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 5.018
And I read the content of the test FS 0.554
Then patterns cover at least 99% of the test FS size in the guest's memory 2.712 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.619
Then I find very few patterns in the guest's memory after 3 seconds 5.581 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.613
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.450
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 11.262
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the root filesystem 14.196
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.445
Then patterns cover at least 128 MiB in the guest's memory 2.423 
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 20.681 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 3.553
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:19.772
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 7:35.158
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.058
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.087 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.026