Project Number Date
test_Tails_ISO_devel 4277 13 Mar 2026, 07:36

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 7:11.670 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
19.215
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 6.692
And I prepare Tails for memory erasure tests 0.379
When I start a process allocating 128 MiB of memory with a known pattern 2.274
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.001 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.897
Then I find very few patterns in the guest's memory after 5 seconds 6.970 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 0.676
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.538
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 6.535
And I prepare Tails for memory erasure tests 0.395
And I find very few patterns in the guest's memory 1.770 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.014
Then patterns cover at least 99% of the test FS size in the guest's memory 1.958 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.820
Then I find very few patterns in the guest's memory after 3 seconds 5.043 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.690
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.437
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 6.579
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.076
Then I find very few patterns in the guest's memory 1.785 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.930
Then patterns cover at least 75% of the test FS size in the guest's memory 2.193 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.094
Then I find very few patterns in the guest's memory after 3 seconds 4.855 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 0.140
And I read the content of the test FS 0.391
Then patterns cover at least 99% of the test FS size in the guest's memory 1.889 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.288
Then I find very few patterns in the guest's memory after 3 seconds 4.823 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.256
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 6.808
And I prepare Tails for memory erasure tests 0.340
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.464
Then I find very few patterns in the guest's memory 1.747 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.183
Then patterns cover at least 99% of the test FS size in the guest's memory 1.861 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.678
Then I find very few patterns in the guest's memory after 3 seconds 4.868 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 4.015
And I read the content of the test FS 0.327
Then patterns cover at least 99% of the test FS size in the guest's memory 1.902 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.420
Then I find very few patterns in the guest's memory after 3 seconds 4.636 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 1.006
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.000
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 6.620
And I prepare Tails for memory erasure tests 0.365
When I fill a 128 MiB file with a known pattern on the root filesystem 12.886
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.768
Then patterns cover at least 128 MiB in the guest's memory 1.809 
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 20.540 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.651
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:20.222
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 3:47.964
And I prepare Tails for memory erasure tests 0.303
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.893
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.055 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:331 3.550
After features/support/hooks.rb:100 0.021