Project Number Date
test_Tails_ISO_devel 3756 26 Mar 2025, 19:30

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 12:15.937 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
22.961
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 8.245
And I prepare Tails for memory erasure tests 0.491
When I start a process allocating 128 MiB of memory with a known pattern 1.233
Then patterns cover at least 128 MiB in the guest's memory 3.270 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.793
Then I find very few patterns in the guest's memory after 5 seconds 8.927 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 1.043
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.819
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 8.366
And I prepare Tails for memory erasure tests 0.486
And I find very few patterns in the guest's memory 3.688 
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 1.704
Then patterns cover at least 99% of the test FS size in the guest's memory 4.174 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.507
Then I find very few patterns in the guest's memory after 3 seconds 6.892 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.040
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.984
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 8.240
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.387
Then I find very few patterns in the guest's memory 3.558 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.754
Then patterns cover at least 75% of the test FS size in the guest's memory 4.224 
Pattern coverage: 89.295% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.928
Then I find very few patterns in the guest's memory after 3 seconds 8.385 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.217
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.170 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory after 3 seconds 6.520 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.032
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.869
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 8.242
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" 40.594
Then I find very few patterns in the guest's memory 2.542 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.157
Then patterns cover at least 99% of the test FS size in the guest's memory 2.980 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.732
Then I find very few patterns in the guest's memory after 3 seconds 5.519 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 4.359
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 3.688 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory after 3 seconds 5.565 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.573
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.364
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 8.696
And I prepare Tails for memory erasure tests 0.530
When I fill a 128 MiB file with a known pattern on the root filesystem 19.383
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 6.773
Then patterns cover at least 128 MiB in the guest's memory 3.108 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.859 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 3.527
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:15.937
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 7:28.363
And I prepare Tails for memory erasure tests 1.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.707
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.384 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.595
After features/support/hooks.rb:100 0.015