Project Number Date
test_Tails_ISO_21736-reject-unsupported-installs 8 12 Oct 2026, 05:57

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 7:6.621 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
19.477
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 6.179
And I prepare Tails for memory erasure tests 0.375
When I start a process allocating 128 MiB of memory with a known pattern 2.195
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.854 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.211
Then I find very few patterns in the guest's memory after 5 seconds 7.662 
Pattern coverage: 0.000% (0 MiB out of 1426 MiB reference memory)
After features/support/hooks.rb:339 0.733
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.676
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 6.354
And I prepare Tails for memory erasure tests 0.346
And I find very few patterns in the guest's memory 2.666 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.507
Then patterns cover at least 99% of the test FS size in the guest's memory 2.803 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.386
Then I find very few patterns in the guest's memory after 3 seconds 5.611 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 1.057
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.871
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 6.159
And I prepare Tails for memory erasure tests 0.340
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.313
Then I find very few patterns in the guest's memory 2.767 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.514
Then patterns cover at least 75% of the test FS size in the guest's memory 3.224 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory after 3 seconds 5.844 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
# read cache
When I mount the USB drive again 0.226
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 3.037 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 5.741 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.861
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.990
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 6.195
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.669
Then I find very few patterns in the guest's memory 2.678 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.145
Then patterns cover at least 99% of the test FS size in the guest's memory 2.685 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.556
Then I find very few patterns in the guest's memory after 3 seconds 5.838 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# read cache
When I mount the USB drive again 3.781
And I read the content of the test FS 0.428
Then patterns cover at least 99% of the test FS size in the guest's memory 2.663 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.455
Then I find very few patterns in the guest's memory after 3 seconds 5.446 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.748
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.595
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 6.320
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the root filesystem 12.395
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.585
Then patterns cover at least 128 MiB in the guest's memory 2.173 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.780 
Pattern coverage: 0.000% (0 MiB out of 1429 MiB reference memory)
After features/support/hooks.rb:339 3.412
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:6.009
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 3:35.672
And I prepare Tails for memory erasure tests 0.244
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.940
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.146 
Pattern coverage: 0.000% (0 MiB out of 1433 MiB reference memory)
After features/support/hooks.rb:339 3.642
After features/support/hooks.rb:108 0.011