Project Number Date
test_Tails_ISO_21578-test-suite-pure-disk-boot 1 15 Jun 2026, 16:36

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 8:32.233 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
19.522
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.033
Given I have started Tails from DVD without network and logged in 8.103
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 1.214
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.703 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.195
Then I find very few patterns in the guest's memory after 5 seconds 6.874 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:339 0.890
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
22.069
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.025
Given I have started Tails from DVD without network and logged in 8.327
And I prepare Tails for memory erasure tests 0.452
And I find very few patterns in the guest's memory 3.766 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.927
Then patterns cover at least 99% of the test FS size in the guest's memory 2.532 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.343
Then I find very few patterns in the guest's memory after 3 seconds 4.720 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:339 0.746
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.620
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.023
Given I have started Tails from DVD without network and logged in 7.966
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.833
Then I find very few patterns in the guest's memory 1.924 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.580
Then patterns cover at least 75% of the test FS size in the guest's memory 2.095 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.746
Then I find very few patterns in the guest's memory after 3 seconds 5.154 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
# read cache
When I mount the USB drive again 0.226
And I read the content of the test FS 0.493
Then patterns cover at least 99% of the test FS size in the guest's memory 2.679 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.484
Then I find very few patterns in the guest's memory after 3 seconds 5.005 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
After features/support/hooks.rb:339 0.876
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.357
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.029
Given I have started Tails from DVD without network and logged in 7.827
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.255
Then I find very few patterns in the guest's memory 1.699 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.523
Then patterns cover at least 99% of the test FS size in the guest's memory 1.881 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.604
Then I find very few patterns in the guest's memory after 3 seconds 5.112 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
# read cache
When I mount the USB drive again 4.538
And I read the content of the test FS 0.416
Then patterns cover at least 99% of the test FS size in the guest's memory 2.028 
Pattern coverage: 106.115% (97 MiB out of 91 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 4.668 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:339 0.909
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.717
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.023
Given I have started Tails from DVD without network and logged in 8.442
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the root filesystem 25.501
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.146
Then patterns cover at least 128 MiB in the guest's memory 1.584 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.603 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:339 3.871
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
5:12.945
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.038
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:31.141
And I prepare Tails for memory erasure tests 0.368
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.161
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.268 
Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)
After features/support/hooks.rb:339 3.434
After features/support/hooks.rb:108 0.064