Project Number Date
test_Tails_ISO_21734-bump-snapshot-restore-timeout 5 19 Aug 2026, 15:54

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 13:19.294 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
17.104
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 3.668
And I prepare Tails for memory erasure tests 0.366
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 2.863 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.210
Then I find very few patterns in the guest's memory after 5 seconds 7.768 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:339 0.631
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.933
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 3.827
And I prepare Tails for memory erasure tests 0.383
And I find very few patterns in the guest's memory 2.722 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.670
Then patterns cover at least 99% of the test FS size in the guest's memory 3.136 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.430
Then I find very few patterns in the guest's memory after 3 seconds 5.762 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.882
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
34.655
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 3.676
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.435
Then I find very few patterns in the guest's memory 2.737 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.703
Then patterns cover at least 75% of the test FS size in the guest's memory 3.100 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.711
Then I find very few patterns in the guest's memory after 3 seconds 5.868 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.165
And I read the content of the test FS 0.598
Then patterns cover at least 99% of the test FS size in the guest's memory 3.102 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.436
Then I find very few patterns in the guest's memory after 3 seconds 5.689 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 0.550
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.902
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 3.327
And I prepare Tails for memory erasure tests 0.271
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.307
Then I find very few patterns in the guest's memory 2.699 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.103
Then patterns cover at least 99% of the test FS size in the guest's memory 2.661 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.502
Then I find very few patterns in the guest's memory after 3 seconds 5.719 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 4.238
And I read the content of the test FS 0.383
Then patterns cover at least 99% of the test FS size in the guest's memory 2.815 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.442
Then I find very few patterns in the guest's memory after 3 seconds 5.427 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 0.893
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
40.392
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 3.716
And I prepare Tails for memory erasure tests 0.390
When I fill a 128 MiB file with a known pattern on the root filesystem 12.203
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.415
Then patterns cover at least 128 MiB in the guest's memory 1.926 
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 20.733 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 3.639
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
10:28.306
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 9:55.487
And I prepare Tails for memory erasure tests 0.358
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.272
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.182 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 3.605
After features/support/hooks.rb:108 0.009