Project Number Date
test_Tails_ISO_stable 5608 29 Apr 2025, 13:07

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 12:30.847 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
23.937
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 8.360
And I prepare Tails for memory erasure tests 0.462
When I start a process allocating 128 MiB of memory with a known pattern 1.315
Then patterns cover at least 128 MiB in the guest's memory 4.753 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.297
Then I find very few patterns in the guest's memory after 5 seconds 8.748 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.890
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.516
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 8.843
And I prepare Tails for memory erasure tests 0.382
And I find very few patterns in the guest's memory 3.684 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.369
Then patterns cover at least 99% of the test FS size in the guest's memory 4.014 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.491
Then I find very few patterns in the guest's memory after 3 seconds 6.730 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.743
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.897
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 8.215
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.982
Then I find very few patterns in the guest's memory 4.596 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.800
Then patterns cover at least 75% of the test FS size in the guest's memory 5.639 
Pattern coverage: 90.492% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.110
Then I find very few patterns in the guest's memory after 3 seconds 7.523 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.369
And I read the content of the test FS 1.461
Then patterns cover at least 99% of the test FS size in the guest's memory 4.295 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.733
Then I find very few patterns in the guest's memory after 3 seconds 6.755 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.902
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.651
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 8.957
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.626
Then I find very few patterns in the guest's memory 6.800 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.870
Then patterns cover at least 99% of the test FS size in the guest's memory 5.461 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.052
Then I find very few patterns in the guest's memory after 3 seconds 6.716 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 4.607
And I read the content of the test FS 0.594
Then patterns cover at least 99% of the test FS size in the guest's memory 4.010 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 6.045 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 2.016
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.348
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 8.995
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the root filesystem 16.940
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.133
Then patterns cover at least 128 MiB in the guest's memory 4.499 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.027
Then I find very few patterns in the guest's memory after 20 seconds 21.340 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:28.496
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 7:38.375
And I prepare Tails for memory erasure tests 0.578
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.976
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.545 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.019