Project Number Date
test_Tails_ISO_stable 5681 28 May 2025, 13:20

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 11:45.006 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
23.826
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 8.177
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 2.357
Then patterns cover at least 128 MiB in the guest's memory 3.748 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.221
Then I find very few patterns in the guest's memory after 5 seconds 8.921 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.767
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.028
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 8.163
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 3.962 
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 2.159
Then patterns cover at least 99% of the test FS size in the guest's memory 4.148 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.456
Then I find very few patterns in the guest's memory after 3 seconds 6.675 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.728
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.903
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 10.814
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.242
Then I find very few patterns in the guest's memory 3.883 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.601
Then patterns cover at least 75% of the test FS size in the guest's memory 3.754 
Pattern coverage: 85.863% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.152
Then I find very few patterns in the guest's memory after 3 seconds 6.891 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.336
And I read the content of the test FS 1.071
Then patterns cover at least 99% of the test FS size in the guest's memory 4.054 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.948
Then I find very few patterns in the guest's memory after 3 seconds 6.667 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.054
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.685
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 8.690
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.586
Then I find very few patterns in the guest's memory 3.094 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.454
Then patterns cover at least 99% of the test FS size in the guest's memory 3.197 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 4.107
Then I find very few patterns in the guest's memory after 3 seconds 6.176 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 3.682
And I read the content of the test FS 0.419
Then patterns cover at least 99% of the test FS size in the guest's memory 3.402 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.658
Then I find very few patterns in the guest's memory after 3 seconds 5.773 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.236
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.429
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 8.529
And I prepare Tails for memory erasure tests 0.550
When I fill a 128 MiB file with a known pattern on the root filesystem 18.059
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.105
Then patterns cover at least 128 MiB in the guest's memory 3.248 
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 20.922 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 3.512
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.133
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 7:1.466
And I prepare Tails for memory erasure tests 1.963
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.482
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.208 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.554
After features/support/hooks.rb:100 0.013