Project Number Date
test_Tails_ISO_stable 6121 05 Feb 2026, 11:55

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 7:29.292 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
19.074
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 7.073
And I prepare Tails for memory erasure tests 0.381
When I start a process allocating 128 MiB of memory with a known pattern 2.258
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.075 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.232
Then I find very few patterns in the guest's memory after 5 seconds 7.054 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.718
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.187
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 6.914
And I prepare Tails for memory erasure tests 0.362
And I find very few patterns in the guest's memory 1.827 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.008
Then patterns cover at least 99% of the test FS size in the guest's memory 2.034 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.821
Then I find very few patterns in the guest's memory after 3 seconds 5.218 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 1.125
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.832
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.009
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.397
Then I find very few patterns in the guest's memory 1.956 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.863
Then patterns cover at least 75% of the test FS size in the guest's memory 2.759 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.209
Then I find very few patterns in the guest's memory after 3 seconds 5.080 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# read cache
When I mount the USB drive again 0.229
And I read the content of the test FS 0.507
Then patterns cover at least 99% of the test FS size in the guest's memory 2.216 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.289
Then I find very few patterns in the guest's memory after 3 seconds 4.916 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 1.042
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.025
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.076
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.096
Then I find very few patterns in the guest's memory 1.705 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.019
Then patterns cover at least 99% of the test FS size in the guest's memory 1.946 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory after 3 seconds 4.916 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 3.719
And I read the content of the test FS 0.307
Then patterns cover at least 99% of the test FS size in the guest's memory 2.070 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.516
Then I find very few patterns in the guest's memory after 3 seconds 4.615 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 0.784
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.038
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.952
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 14.609
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.486
Then patterns cover at least 128 MiB in the guest's memory 1.728 
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 20.831 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.567
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:34.133
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:1.689
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.046
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.943 
Pattern coverage: 0.000% (0 MiB out of 1546 MiB reference memory)
After features/support/hooks.rb:331 3.600
After features/support/hooks.rb:100 0.013