Project Number Date
test_Tails_ISO_devel 3659 23 Jan 2025, 17:50

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 10:52.520 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
23.349
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.937
And I prepare Tails for memory erasure tests 0.402
When I start a process allocating 128 MiB of memory with a known pattern 2.338
Then patterns cover at least 128 MiB in the guest's memory 3.119 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.689
Then I find very few patterns in the guest's memory after 5 seconds 7.862 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 0.824
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.904
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.994
And I prepare Tails for memory erasure tests 0.391
And I find very few patterns in the guest's memory 2.750 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.472
Then patterns cover at least 99% of the test FS size in the guest's memory 3.194 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.392
Then I find very few patterns in the guest's memory after 3 seconds 5.709 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.956
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.792
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.162
Then I find very few patterns in the guest's memory 3.045 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.749
Then patterns cover at least 75% of the test FS size in the guest's memory 3.199 
Pattern coverage: 87.234% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.573
Then I find very few patterns in the guest's memory after 3 seconds 5.594 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.352
And I read the content of the test FS 0.527
Then patterns cover at least 99% of the test FS size in the guest's memory 3.527 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.775
Then I find very few patterns in the guest's memory after 3 seconds 7.262 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.775
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.795
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.668
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.103
Then I find very few patterns in the guest's memory 2.845 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.130
Then patterns cover at least 99% of the test FS size in the guest's memory 2.687 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.936
Then I find very few patterns in the guest's memory after 3 seconds 5.386 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.713
And I read the content of the test FS 0.382
Then patterns cover at least 99% of the test FS size in the guest's memory 2.524 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.689
Then I find very few patterns in the guest's memory after 3 seconds 5.319 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.817
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.580
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.951
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 16.138
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.982
Then patterns cover at least 128 MiB in the guest's memory 2.384 
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 20.686 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.567
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.933
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:31.556
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.791
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.117 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.011