Project Number Date
test_Tails_ISO_stable 6730 08 Oct 2026, 11:32

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 7:3.257 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
19.408
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.071
And I prepare Tails for memory erasure tests 0.288
When I start a process allocating 128 MiB of memory with a known pattern 2.185
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.852 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.236
Then I find very few patterns in the guest's memory after 5 seconds 7.774 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.806
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.665
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.167
And I prepare Tails for memory erasure tests 0.318
And I find very few patterns in the guest's memory 2.679 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.384
Then patterns cover at least 99% of the test FS size in the guest's memory 2.935 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.365
Then I find very few patterns in the guest's memory after 3 seconds 5.814 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.542
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.826
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.161
And I prepare Tails for memory erasure tests 0.283
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.163
Then I find very few patterns in the guest's memory 3.258 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.639
Then patterns cover at least 75% of the test FS size in the guest's memory 3.088 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.726
Then I find very few patterns in the guest's memory after 3 seconds 5.664 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# read cache
When I mount the USB drive again 0.166
And I read the content of the test FS 0.570
Then patterns cover at least 99% of the test FS size in the guest's memory 2.897 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.440
Then I find very few patterns in the guest's memory after 3 seconds 5.766 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.894
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.599
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.159
And I prepare Tails for memory erasure tests 0.309
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.735
Then I find very few patterns in the guest's memory 2.609 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.134
Then patterns cover at least 99% of the test FS size in the guest's memory 2.867 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.502
Then I find very few patterns in the guest's memory after 3 seconds 5.714 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# read cache
When I mount the USB drive again 3.754
And I read the content of the test FS 0.363
Then patterns cover at least 99% of the test FS size in the guest's memory 2.560 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.427
Then I find very few patterns in the guest's memory after 3 seconds 5.459 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 0.636
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.865
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.123
And I prepare Tails for memory erasure tests 0.286
When I fill a 128 MiB file with a known pattern on the root filesystem 12.919
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.551
Then patterns cover at least 128 MiB in the guest's memory 2.185 
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 20.793 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 3.668
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:2.891
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:31.989
And I prepare Tails for memory erasure tests 0.252
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.557
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.087 
Pattern coverage: 0.000% (0 MiB out of 1432 MiB reference memory)
After features/support/hooks.rb:339 3.791
After features/support/hooks.rb:108 0.009