Project Number Date
test_Tails_ISO_7929-celluloid-flatpak 35 21 May 2026, 14:12

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 7:46.905 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
18.254
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.709
And I prepare Tails for memory erasure tests 0.351
When I start a process allocating 128 MiB of memory with a known pattern 2.219
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.980 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.181
Then I find very few patterns in the guest's memory after 5 seconds 6.812 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:335 0.979
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.119
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.668
And I prepare Tails for memory erasure tests 0.356
And I find very few patterns in the guest's memory 1.718 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.723
Then patterns cover at least 99% of the test FS size in the guest's memory 2.132 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.450
Then I find very few patterns in the guest's memory after 3 seconds 5.068 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:335 0.697
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.850
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.007
Given I have started Tails from DVD without network and logged in 6.896
And I prepare Tails for memory erasure tests 0.350
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.279
Then I find very few patterns in the guest's memory 1.835 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.824
Then patterns cover at least 75% of the test FS size in the guest's memory 2.129 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory after 3 seconds 4.867 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.180
And I read the content of the test FS 0.402
Then patterns cover at least 99% of the test FS size in the guest's memory 2.025 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 4.786 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:335 1.216
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
1:1.008
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails from DVD without network and logged in 6.769
And I prepare Tails for memory erasure tests 0.377
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.208
Then I find very few patterns in the guest's memory 1.903 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.495
Then patterns cover at least 99% of the test FS size in the guest's memory 2.182 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.563
Then I find very few patterns in the guest's memory after 3 seconds 4.843 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 4.550
And I read the content of the test FS 0.279
Then patterns cover at least 99% of the test FS size in the guest's memory 1.818 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.459
Then I find very few patterns in the guest's memory after 3 seconds 4.556 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:335 0.867
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
54.796
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 7.035
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 23.577
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.700
Then patterns cover at least 128 MiB in the guest's memory 1.517 
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 20.517 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:335 3.800
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:41.876
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:2.751
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.784
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.902 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:335 3.387
After features/support/hooks.rb:104 0.009