Project Number Date
test_Tails_ISO_stable 6562 05 Aug 2026, 23:10

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 7:50.664 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
19.811
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 6.225
And I prepare Tails for memory erasure tests 0.342
When I start a process allocating 128 MiB of memory with a known pattern 2.253
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.912 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.244
Then I find very few patterns in the guest's memory after 5 seconds 7.832 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:339 0.940
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.645
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 6.352
And I prepare Tails for memory erasure tests 0.378
And I find very few patterns in the guest's memory 2.761 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.626
Then patterns cover at least 99% of the test FS size in the guest's memory 3.326 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.448
Then I find very few patterns in the guest's memory after 3 seconds 5.751 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 0.552
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
48.932
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 18.369
And I prepare Tails for memory erasure tests 0.311
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.324
Then I find very few patterns in the guest's memory 2.696 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.797
Then patterns cover at least 75% of the test FS size in the guest's memory 3.263 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.778
Then I find very few patterns in the guest's memory after 3 seconds 5.667 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 0.205
And I read the content of the test FS 0.663
Then patterns cover at least 99% of the test FS size in the guest's memory 2.781 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 5.608 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 0.927
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.352
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails from DVD without network and logged in 6.513
And I prepare Tails for memory erasure tests 0.293
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.330
Then I find very few patterns in the guest's memory 2.957 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.253
Then patterns cover at least 99% of the test FS size in the guest's memory 2.931 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.527
Then I find very few patterns in the guest's memory after 3 seconds 5.602 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 3.823
And I read the content of the test FS 0.355
Then patterns cover at least 99% of the test FS size in the guest's memory 2.876 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.445 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.919
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.024
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 6.323
And I prepare Tails for memory erasure tests 0.336
When I fill a 128 MiB file with a known pattern on the root filesystem 12.566
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.738
Then patterns cover at least 128 MiB in the guest's memory 2.267 
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 20.784 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 3.519
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:32.897
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 4:1.177
And I prepare Tails for memory erasure tests 0.239
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.332
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.143 
Pattern coverage: 0.000% (0 MiB out of 1450 MiB reference memory)
After features/support/hooks.rb:339 3.779
After features/support/hooks.rb:108 0.010