Project Number Date
test_Tails_ISO_stable 6583 17 Aug 2026, 11:34

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 7:25.421 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
20.113
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 6.321
And I prepare Tails for memory erasure tests 0.317
When I start a process allocating 128 MiB of memory with a known pattern 2.198
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.882 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.734
Then I find very few patterns in the guest's memory after 5 seconds 7.658 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.601
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.452
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 6.380
And I prepare Tails for memory erasure tests 0.292
And I find very few patterns in the guest's memory 2.792 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.502
Then patterns cover at least 99% of the test FS size in the guest's memory 3.250 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.405
Then I find very few patterns in the guest's memory after 3 seconds 5.828 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.967
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.423
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.426
And I prepare Tails for memory erasure tests 0.363
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.146
Then I find very few patterns in the guest's memory 3.085 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.882
Then patterns cover at least 75% of the test FS size in the guest's memory 3.077 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory after 3 seconds 5.683 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 0.157
And I read the content of the test FS 0.614
Then patterns cover at least 99% of the test FS size in the guest's memory 3.052 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory after 3 seconds 5.796 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 0.786
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.869
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 6.284
And I prepare Tails for memory erasure tests 0.290
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.843
Then I find very few patterns in the guest's memory 2.599 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.217
Then patterns cover at least 99% of the test FS size in the guest's memory 2.857 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.532
Then I find very few patterns in the guest's memory after 3 seconds 5.615 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 4.256
And I read the content of the test FS 0.361
Then patterns cover at least 99% of the test FS size in the guest's memory 2.932 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.633 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.849
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.605
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 6.188
And I prepare Tails for memory erasure tests 0.363
When I fill a 128 MiB file with a known pattern on the root filesystem 12.589
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.563
Then patterns cover at least 128 MiB in the guest's memory 2.141 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 20.750 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 3.434
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.957
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 3:48.830
And I prepare Tails for memory erasure tests 0.287
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.754
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.079 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:339 3.758
After features/support/hooks.rb:108 0.019