Project Number Date
test_Tails_ISO_devel 4598 06 Sep 2026, 11:21

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 7:30.102 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
20.446
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 6.540
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 2.271
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.304 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.190
Then I find very few patterns in the guest's memory after 5 seconds 7.743 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 0.760
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.218
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 6.271
And I prepare Tails for memory erasure tests 0.272
And I find very few patterns in the guest's memory 2.913 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.587
Then patterns cover at least 99% of the test FS size in the guest's memory 3.042 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.365
Then I find very few patterns in the guest's memory after 3 seconds 5.765 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.991
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.923
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 6.727
And I prepare Tails for memory erasure tests 0.277
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.416
Then I find very few patterns in the guest's memory 2.684 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.841
Then patterns cover at least 75% of the test FS size in the guest's memory 3.315 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.843
Then I find very few patterns in the guest's memory after 3 seconds 5.689 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
# read cache
When I mount the USB drive again 0.176
And I read the content of the test FS 0.664
Then patterns cover at least 99% of the test FS size in the guest's memory 3.069 
Pattern coverage: 100.000% (127 MiB out of 127 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 5.805 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
After features/support/hooks.rb:339 0.823
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:10.328
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 6.273
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.070
Then I find very few patterns in the guest's memory 2.764 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.182
Then patterns cover at least 99% of the test FS size in the guest's memory 2.896 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 6.430 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# read cache
When I mount the USB drive again 3.837
And I read the content of the test FS 0.309
Then patterns cover at least 99% of the test FS size in the guest's memory 3.531 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 5.680 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.950
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.341
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 6.336
And I prepare Tails for memory erasure tests 0.325
When I fill a 128 MiB file with a known pattern on the root filesystem 12.982
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.564
Then patterns cover at least 128 MiB in the guest's memory 2.334 
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 20.791 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 3.669
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:16.843
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 3:45.394
And I prepare Tails for memory erasure tests 0.283
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.057
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.101 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 3.375
After features/support/hooks.rb:108 0.010