Project Number Date
test_Tails_ISO_15268-explain-admin-password 8 20 Jul 2025, 15:18

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 16:40.220 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
44.280
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 10.353
And I prepare Tails for memory erasure tests 0.441
When I start a process allocating 128 MiB of memory with a known pattern 1.218
Then patterns cover at least 128 MiB in the guest's memory 13.037 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.702
Then I find very few patterns in the guest's memory after 5 seconds 18.526 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.945
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.043
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 9.226
And I prepare Tails for memory erasure tests 0.630
And I find very few patterns in the guest's memory 11.124 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.684
Then patterns cover at least 99% of the test FS size in the guest's memory 15.990 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.480
Then I find very few patterns in the guest's memory after 3 seconds 14.907 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 1.031
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:40.750
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails from DVD without network and logged in 10.413
And I prepare Tails for memory erasure tests 0.491
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.802
Then I find very few patterns in the guest's memory 11.436 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.510
Then patterns cover at least 75% of the test FS size in the guest's memory 15.084 
Pattern coverage: 88.073% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.967
Then I find very few patterns in the guest's memory after 3 seconds 15.948 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.312
And I read the content of the test FS 0.846
Then patterns cover at least 99% of the test FS size in the guest's memory 16.566 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory after 3 seconds 15.936 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 1.601
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:11.934
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 9.413
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 45.632
Then I find very few patterns in the guest's memory 15.006 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.998
Then patterns cover at least 99% of the test FS size in the guest's memory 9.899 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.765
Then I find very few patterns in the guest's memory after 3 seconds 11.374 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 5.511
And I read the content of the test FS 0.444
Then patterns cover at least 99% of the test FS size in the guest's memory 16.467 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.817
Then I find very few patterns in the guest's memory after 3 seconds 14.158 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.290
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.740
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 12.261
And I prepare Tails for memory erasure tests 0.605
When I fill a 128 MiB file with a known pattern on the root filesystem 15.460
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.709
Then patterns cover at least 128 MiB in the guest's memory 27.035 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 23.653 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.559
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:48.472
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.016
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:58.282
And I prepare Tails for memory erasure tests 1.439
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.209
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 22.523 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 3.725
After features/support/hooks.rb:100 0.010