Project Number Date
test_Tails_ISO_stable 5489 04 Mar 2025, 08:54

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 11:34.380 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
29.666
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 10.323
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 4.899
Then patterns cover at least 128 MiB in the guest's memory 3.401 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.425
Then I find very few patterns in the guest's memory after 5 seconds 8.116 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.778
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.845
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 8.109
And I prepare Tails for memory erasure tests 0.408
And I find very few patterns in the guest's memory 2.984 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.195
Then patterns cover at least 99% of the test FS size in the guest's memory 3.445 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.064
Then I find very few patterns in the guest's memory after 3 seconds 6.637 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.680
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.069
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 8.163
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.232
Then I find very few patterns in the guest's memory 3.678 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.848
Then patterns cover at least 75% of the test FS size in the guest's memory 4.256 
Pattern coverage: 88.863% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.503
Then I find very few patterns in the guest's memory after 3 seconds 6.566 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.257
And I read the content of the test FS 2.228
Then patterns cover at least 99% of the test FS size in the guest's memory 3.641 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.790
Then I find very few patterns in the guest's memory after 3 seconds 6.452 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.064
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 8.060
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.605
Then I find very few patterns in the guest's memory 2.280 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.366
Then patterns cover at least 99% of the test FS size in the guest's memory 2.757 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.118
Then I find very few patterns in the guest's memory after 3 seconds 5.399 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.557
And I read the content of the test FS 0.385
Then patterns cover at least 99% of the test FS size in the guest's memory 3.329 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.803
Then I find very few patterns in the guest's memory after 3 seconds 5.982 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.458
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.722
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 8.199
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 17.078
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.050
Then patterns cover at least 128 MiB in the guest's memory 3.087 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.851 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.577
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:45.011
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 6:59.868
And I prepare Tails for memory erasure tests 0.689
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.347
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.093 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.515
After features/support/hooks.rb:100 0.012