Project Number Date
test_Tails_ISO_devel 4603 08 Sep 2026, 13:09

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 8:11.079 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
20.358
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.593
And I prepare Tails for memory erasure tests 0.314
When I start a process allocating 128 MiB of memory with a known pattern 2.176
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.147 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.209
Then I find very few patterns in the guest's memory after 5 seconds 7.917 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.893
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.387
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 7.122
And I prepare Tails for memory erasure tests 0.339
And I find very few patterns in the guest's memory 2.761 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.568
Then patterns cover at least 99% of the test FS size in the guest's memory 3.234 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.419
Then I find very few patterns in the guest's memory after 3 seconds 5.941 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 0.868
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
40.234
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 6.842
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.756
Then I find very few patterns in the guest's memory 2.945 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.922
Then patterns cover at least 75% of the test FS size in the guest's memory 3.242 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.897
Then I find very few patterns in the guest's memory after 3 seconds 6.007 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
# read cache
When I mount the USB drive again 0.220
And I read the content of the test FS 0.730
Then patterns cover at least 99% of the test FS size in the guest's memory 3.822 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.446
Then I find very few patterns in the guest's memory after 3 seconds 6.031 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 1.124
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:7.914
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails from DVD without network and logged in 6.630
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" 33.780
Then I find very few patterns in the guest's memory 2.779 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.351
Then patterns cover at least 99% of the test FS size in the guest's memory 2.751 
Pattern coverage: 106.115% (97 MiB out of 91 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 5.870 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 4.519
And I read the content of the test FS 0.404
Then patterns cover at least 99% of the test FS size in the guest's memory 2.602 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.486
Then I find very few patterns in the guest's memory after 3 seconds 5.699 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.937
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.869
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 6.790
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the root filesystem 13.461
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.811
Then patterns cover at least 128 MiB in the guest's memory 2.354 
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 20.976 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 3.834
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:55.314
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 4:24.278
And I prepare Tails for memory erasure tests 0.280
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.419
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.330 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
After features/support/hooks.rb:339 3.559
After features/support/hooks.rb:108 0.009