Project Number Date
test_Tails_ISO_stable 6503 14 Jul 2026, 08:02

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 7:38.562 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
16.744
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 6.460
And I prepare Tails for memory erasure tests 0.299
When I start a process allocating 128 MiB of memory with a known pattern 1.173
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.903 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.189
Then I find very few patterns in the guest's memory after 5 seconds 6.718 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 1.009
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
16.888
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 6.470
And I prepare Tails for memory erasure tests 0.304
And I find very few patterns in the guest's memory 1.669 
Pattern coverage: 0.000% (0 MiB out of 1513 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.404
Then patterns cover at least 99% of the test FS size in the guest's memory 1.859 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.268
Then I find very few patterns in the guest's memory after 3 seconds 4.911 
Pattern coverage: 0.000% (0 MiB out of 1513 MiB reference memory)
After features/support/hooks.rb:339 0.871
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.071
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 6.542
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.079
Then I find very few patterns in the guest's memory 1.691 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.386
Then patterns cover at least 75% of the test FS size in the guest's memory 2.049 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 4.789 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.167
And I read the content of the test FS 0.379
Then patterns cover at least 99% of the test FS size in the guest's memory 1.968 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.331
Then I find very few patterns in the guest's memory after 3 seconds 4.657 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 0.657
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.472
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 6.380
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.802
Then I find very few patterns in the guest's memory 1.714 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.104
Then patterns cover at least 99% of the test FS size in the guest's memory 1.784 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory after 3 seconds 4.613 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 4.011
And I read the content of the test FS 0.271
Then patterns cover at least 99% of the test FS size in the guest's memory 1.758 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.407
Then I find very few patterns in the guest's memory after 3 seconds 4.739 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 0.817
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.533
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 6.410
And I prepare Tails for memory erasure tests 0.341
When I fill a 128 MiB file with a known pattern on the root filesystem 32.995
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.872
Then patterns cover at least 128 MiB in the guest's memory 1.430 
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 20.477 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 3.570
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:34.851
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 3:45.588
And I prepare Tails for memory erasure tests 0.282
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.120
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.853 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
After features/support/hooks.rb:339 3.373
After features/support/hooks.rb:108 0.009