Project Number Date
test_Tails_ISO_stable 5461 16 Feb 2025, 12:30

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 10:58.810 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
22.932
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.891
And I prepare Tails for memory erasure tests 0.385
When I start a process allocating 128 MiB of memory with a known pattern 1.204
Then patterns cover at least 128 MiB in the guest's memory 4.119 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.154
Then I find very few patterns in the guest's memory after 5 seconds 8.177 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.103
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.789
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.050
And I prepare Tails for memory erasure tests 0.422
And I find very few patterns in the guest's memory 2.964 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.097
Then patterns cover at least 99% of the test FS size in the guest's memory 3.558 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.726
Then I find very few patterns in the guest's memory after 3 seconds 6.969 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.400
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.708
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.221
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.121
Then I find very few patterns in the guest's memory 2.857 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.621
Then patterns cover at least 75% of the test FS size in the guest's memory 3.346 
Pattern coverage: 88.649% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.524
Then I find very few patterns in the guest's memory after 3 seconds 5.732 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.234
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 5.277 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.221
Then I find very few patterns in the guest's memory after 3 seconds 6.532 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.783
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.696
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.989
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.189
Then I find very few patterns in the guest's memory 2.778 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.985
Then patterns cover at least 99% of the test FS size in the guest's memory 2.665 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.900
Then I find very few patterns in the guest's memory after 3 seconds 5.266 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
# read cache
When I mount the USB drive again 5.148
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 2.734 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.871
Then I find very few patterns in the guest's memory after 3 seconds 5.319 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
After features/support/hooks.rb:326 0.889
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.949
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.833
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 17.864
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.678
Then patterns cover at least 128 MiB in the guest's memory 2.371 
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 20.730 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.476
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:21.734
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:35.028
And I prepare Tails for memory erasure tests 0.642
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.698
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.353 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.740
After features/support/hooks.rb:100 0.013