Project Number Date
test_Tails_ISO_21751-test-cloudflare-dns-server 1 22 Sep 2026, 14:52

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 7:18.428 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
19.556
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 6.326
And I prepare Tails for memory erasure tests 0.318
When I start a process allocating 128 MiB of memory with a known pattern 2.197
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.794 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.179
Then I find very few patterns in the guest's memory after 5 seconds 7.738 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
After features/support/hooks.rb:339 0.679
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.847
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 6.326
And I prepare Tails for memory erasure tests 0.341
And I find very few patterns in the guest's memory 2.743 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.438
Then patterns cover at least 99% of the test FS size in the guest's memory 3.835 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.425
Then I find very few patterns in the guest's memory after 3 seconds 5.736 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
After features/support/hooks.rb:339 0.974
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.291
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 6.318
And I prepare Tails for memory erasure tests 0.330
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.418
Then I find very few patterns in the guest's memory 2.947 
Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.668
Then patterns cover at least 75% of the test FS size in the guest's memory 3.105 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.625
Then I find very few patterns in the guest's memory after 3 seconds 5.599 
Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)
# read cache
When I mount the USB drive again 0.315
And I read the content of the test FS 0.587
Then patterns cover at least 99% of the test FS size in the guest's memory 3.213 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.410
Then I find very few patterns in the guest's memory after 3 seconds 5.749 
Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)
After features/support/hooks.rb:339 0.907
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.109
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 6.410
And I prepare Tails for memory erasure tests 0.289
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.814
Then I find very few patterns in the guest's memory 2.653 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.957
Then patterns cover at least 99% of the test FS size in the guest's memory 2.848 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory after 3 seconds 5.452 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 4.119
And I read the content of the test FS 0.385
Then patterns cover at least 99% of the test FS size in the guest's memory 2.782 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory after 3 seconds 5.551 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.634
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.729
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 6.227
And I prepare Tails for memory erasure tests 0.286
When I fill a 128 MiB file with a known pattern on the root filesystem 12.844
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.636
Then patterns cover at least 128 MiB in the guest's memory 2.043 
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 20.685 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
After features/support/hooks.rb:339 3.807
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:14.894
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 3:43.982
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.612
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.999 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 3.832
After features/support/hooks.rb:108 0.011