Project Number Date
test_Tails_ISO_fix-bad-comments 1 01 Jul 2026, 13:58

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 8:8.712 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
18.345
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 6.878
And I prepare Tails for memory erasure tests 0.472
When I start a process allocating 128 MiB of memory with a known pattern 1.178
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.227 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.745
Then I find very few patterns in the guest's memory after 5 seconds 6.842 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 1.034
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.014
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 6.616
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 1.948 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.612
Then patterns cover at least 99% of the test FS size in the guest's memory 2.163 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.399
Then I find very few patterns in the guest's memory after 3 seconds 4.835 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 0.848
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.798
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.734
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.614
Then I find very few patterns in the guest's memory 1.994 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.663
Then patterns cover at least 75% of the test FS size in the guest's memory 2.059 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.811
Then I find very few patterns in the guest's memory after 3 seconds 4.965 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.200
And I read the content of the test FS 0.491
Then patterns cover at least 99% of the test FS size in the guest's memory 2.258 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory after 3 seconds 5.050 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 1.078
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.888
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 6.695
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.759
Then I find very few patterns in the guest's memory 1.811 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.085
Then patterns cover at least 99% of the test FS size in the guest's memory 1.861 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.508
Then I find very few patterns in the guest's memory after 3 seconds 4.635 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 4.281
And I read the content of the test FS 0.353
Then patterns cover at least 99% of the test FS size in the guest's memory 2.224 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.449
Then I find very few patterns in the guest's memory after 3 seconds 4.730 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 1.039
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.404
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 6.684
And I prepare Tails for memory erasure tests 0.515
When I fill a 128 MiB file with a known pattern on the root filesystem 31.995
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.976
Then patterns cover at least 128 MiB in the guest's memory 1.642 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.584 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 3.714
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:57.260
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:9.591
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.324
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.900 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 3.531
After features/support/hooks.rb:108 0.014