Project Number Date
test_Tails_ISO_devel 4040 29 Oct 2025, 09:10

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 11:42.498 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
36.612
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.786
And I prepare Tails for memory erasure tests 0.468
When I start a process allocating 128 MiB of memory with a known pattern 2.279
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 10.438 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.228
Then I find very few patterns in the guest's memory after 5 seconds 14.410 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.819
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.865
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.859
And I prepare Tails for memory erasure tests 0.373
And I find very few patterns in the guest's memory 9.680 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.739
Then patterns cover at least 99% of the test FS size in the guest's memory 10.264 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.428
Then I find very few patterns in the guest's memory after 3 seconds 12.519 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
After features/support/hooks.rb:331 1.052
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.193
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.613
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.835
Then I find very few patterns in the guest's memory 9.605 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.518
Then patterns cover at least 75% of the test FS size in the guest's memory 10.888 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.868
Then I find very few patterns in the guest's memory after 3 seconds 13.010 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.749
Then patterns cover at least 99% of the test FS size in the guest's memory 10.302 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.423
Then I find very few patterns in the guest's memory after 3 seconds 12.691 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 0.971
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:36.843
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.638
And I prepare Tails for memory erasure tests 0.456
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.740
Then I find very few patterns in the guest's memory 8.802 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.605
Then patterns cover at least 99% of the test FS size in the guest's memory 9.154 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.736
Then I find very few patterns in the guest's memory after 3 seconds 11.679 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 4.883
And I read the content of the test FS 0.549
Then patterns cover at least 99% of the test FS size in the guest's memory 9.332 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.566
Then I find very few patterns in the guest's memory after 3 seconds 11.696 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 1.290
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.494
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.612
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the root filesystem 9.790
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.780
Then patterns cover at least 128 MiB in the guest's memory 6.825 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 22.075 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 3.754
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:37.489
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:5.434
And I prepare Tails for memory erasure tests 0.383
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.656
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.006 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
After features/support/hooks.rb:331 3.568
After features/support/hooks.rb:100 0.015