Project Number Date
test_Tails_ISO_stable 6057 13 Jan 2026, 13:42

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 7:32.502 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
19.263
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 6.761
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 2.226
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.131 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.173
Then I find very few patterns in the guest's memory after 5 seconds 7.538 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:331 1.117
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.985
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 7.191
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 1.983 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.939
Then patterns cover at least 99% of the test FS size in the guest's memory 2.291 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.807
Then I find very few patterns in the guest's memory after 3 seconds 5.313 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:331 0.844
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.923
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 6.846
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.199
Then I find very few patterns in the guest's memory 1.973 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.898
Then patterns cover at least 75% of the test FS size in the guest's memory 2.370 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.176
Then I find very few patterns in the guest's memory after 3 seconds 5.032 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 0.178
And I read the content of the test FS 0.377
Then patterns cover at least 99% of the test FS size in the guest's memory 2.144 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.252
Then I find very few patterns in the guest's memory after 3 seconds 5.010 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:331 0.954
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.803
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 7.102
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.823
Then I find very few patterns in the guest's memory 1.907 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.202
Then patterns cover at least 99% of the test FS size in the guest's memory 2.190 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.540
Then I find very few patterns in the guest's memory after 3 seconds 5.029 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 3.667
And I read the content of the test FS 0.298
Then patterns cover at least 99% of the test FS size in the guest's memory 1.963 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory after 3 seconds 5.230 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:331 1.073
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.567
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 6.983
And I prepare Tails for memory erasure tests 0.503
When I fill a 128 MiB file with a known pattern on the root filesystem 13.853
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.787
Then patterns cover at least 128 MiB in the guest's memory 1.778 
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 20.656 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:331 3.568
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:31.957
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:59.535
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.889
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.149 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 3.823
After features/support/hooks.rb:100 0.026