Project Number Date
test_Tails_ISO_stable 6324 23 Apr 2026, 07:46

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 7:25.722 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
17.338
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 6.687
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 1.163
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.991 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.408
Then I find very few patterns in the guest's memory after 5 seconds 6.657 
Pattern coverage: 0.000% (0 MiB out of 1486 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
17.422
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 6.528
And I prepare Tails for memory erasure tests 0.366
And I find very few patterns in the guest's memory 1.753 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.537
Then patterns cover at least 99% of the test FS size in the guest's memory 1.846 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.695
Then I find very few patterns in the guest's memory after 3 seconds 4.693 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.105
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 6.478
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.188
Then I find very few patterns in the guest's memory 1.811 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.651
Then patterns cover at least 75% of the test FS size in the guest's memory 2.035 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.696
Then I find very few patterns in the guest's memory after 3 seconds 4.877 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 0.188
And I read the content of the test FS 0.485
Then patterns cover at least 99% of the test FS size in the guest's memory 2.021 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.405
Then I find very few patterns in the guest's memory after 3 seconds 4.816 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.861
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.148
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 6.542
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.307
Then I find very few patterns in the guest's memory 1.814 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.305
Then patterns cover at least 99% of the test FS size in the guest's memory 1.825 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.966
Then I find very few patterns in the guest's memory after 3 seconds 4.646 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# read cache
When I mount the USB drive again 14.958
And I read the content of the test FS 0.310
Then patterns cover at least 99% of the test FS size in the guest's memory 1.756 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.623
Then I find very few patterns in the guest's memory after 3 seconds 4.662 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:331 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.059
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 6.692
And I prepare Tails for memory erasure tests 0.601
When I fill a 128 MiB file with a known pattern on the root filesystem 12.456
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 10.381
Then patterns cover at least 128 MiB in the guest's memory 1.450 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.471 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 3.524
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:16.647
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 3:44.542
And I prepare Tails for memory erasure tests 0.347
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.874
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.876 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 3.535
After features/support/hooks.rb:100 0.011