Project Number Date
test_Tails_ISO_devel 4511 24 Jul 2026, 11:23

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 7:27.031 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
17.716
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.454
And I prepare Tails for memory erasure tests 0.338
When I start a process allocating 128 MiB of memory with a known pattern 2.176
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.874 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.199
Then I find very few patterns in the guest's memory after 5 seconds 6.673 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 1.029
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.226
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 6.470
And I prepare Tails for memory erasure tests 0.349
And I find very few patterns in the guest's memory 1.723 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.623
Then patterns cover at least 99% of the test FS size in the guest's memory 1.897 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.443
Then I find very few patterns in the guest's memory after 3 seconds 4.718 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.996
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.123
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 6.582
And I prepare Tails for memory erasure tests 0.296
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.129
Then I find very few patterns in the guest's memory 1.743 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.507
Then patterns cover at least 75% of the test FS size in the guest's memory 1.961 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.819
Then I find very few patterns in the guest's memory after 3 seconds 4.679 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# read cache
When I mount the USB drive again 0.134
And I read the content of the test FS 0.379
Then patterns cover at least 99% of the test FS size in the guest's memory 1.821 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 4.647 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 0.616
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.317
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 6.643
And I prepare Tails for memory erasure tests 0.347
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.125
Then I find very few patterns in the guest's memory 1.651 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.009
Then patterns cover at least 99% of the test FS size in the guest's memory 1.732 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.476
Then I find very few patterns in the guest's memory after 3 seconds 4.623 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 4.608
And I read the content of the test FS 0.283
Then patterns cover at least 99% of the test FS size in the guest's memory 1.787 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.370
Then I find very few patterns in the guest's memory after 3 seconds 4.657 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 1.003
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.682
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 6.383
And I prepare Tails for memory erasure tests 0.364
When I fill a 128 MiB file with a known pattern on the root filesystem 26.392
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.615
Then patterns cover at least 128 MiB in the guest's memory 1.440 
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 20.480 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 3.368
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:27.964
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 3:40.757
And I prepare Tails for memory erasure tests 0.297
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.942
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.961 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 3.758
After features/support/hooks.rb:108 0.015