Project Number Date
test_Tails_ISO_21643-uefi-db 4 12 Jun 2026, 02:12

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 7:24.310 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
17.410
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.590
And I prepare Tails for memory erasure tests 0.311
When I start a process allocating 128 MiB of memory with a known pattern 1.138
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.087 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.582
Then I find very few patterns in the guest's memory after 5 seconds 6.698 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 0.779
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.098
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.591
And I prepare Tails for memory erasure tests 0.331
And I find very few patterns in the guest's memory 1.701 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.521
Then patterns cover at least 99% of the test FS size in the guest's memory 1.847 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.301
Then I find very few patterns in the guest's memory after 3 seconds 4.805 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:339 0.644
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.158
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.014
Given I have started Tails from DVD without network and logged in 6.637
And I prepare Tails for memory erasure tests 0.309
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.174
Then I find very few patterns in the guest's memory 1.728 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.494
Then patterns cover at least 75% of the test FS size in the guest's memory 1.957 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.701
Then I find very few patterns in the guest's memory after 3 seconds 4.732 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 0.155
And I read the content of the test FS 0.434
Then patterns cover at least 99% of the test FS size in the guest's memory 1.835 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.308
Then I find very few patterns in the guest's memory after 3 seconds 4.689 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 0.575
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
54.695
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.684
And I prepare Tails for memory erasure tests 0.336
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.939
Then I find very few patterns in the guest's memory 1.596 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.384
Then patterns cover at least 99% of the test FS size in the guest's memory 1.717 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.579
Then I find very few patterns in the guest's memory after 3 seconds 4.656 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# read cache
When I mount the USB drive again 3.801
And I read the content of the test FS 0.268
Then patterns cover at least 99% of the test FS size in the guest's memory 1.782 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.412
Then I find very few patterns in the guest's memory after 3 seconds 4.536 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.595
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.149
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.009
Given I have started Tails from DVD without network and logged in 6.626
And I prepare Tails for memory erasure tests 0.500
When I fill a 128 MiB file with a known pattern on the root filesystem 24.093
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.986
Then patterns cover at least 128 MiB in the guest's memory 1.464 
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 20.473 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 3.426
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:28.796
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:51.417
And I prepare Tails for memory erasure tests 0.315
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.048
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.010 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 3.503
After features/support/hooks.rb:108 0.022