Project Number Date
test_Tails_ISO_devel 4198 29 Jan 2026, 12:39

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 12:34.407 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
53.651
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.157
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 2.290
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.384 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.204
Then I find very few patterns in the guest's memory after 5 seconds 27.183 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 0.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.780
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.312
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 14.296 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.847
Then patterns cover at least 99% of the test FS size in the guest's memory 15.256 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.219
Then I find very few patterns in the guest's memory after 3 seconds 17.434 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 1.148
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:43.771
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.438
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.594
Then I find very few patterns in the guest's memory 17.448 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.407
Then patterns cover at least 75% of the test FS size in the guest's memory 15.151 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.565
Then I find very few patterns in the guest's memory after 3 seconds 17.072 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
# read cache
When I mount the USB drive again 0.179
And I read the content of the test FS 0.682
Then patterns cover at least 99% of the test FS size in the guest's memory 15.521 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.513
Then I find very few patterns in the guest's memory after 3 seconds 16.780 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
After features/support/hooks.rb:331 0.880
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:4.783
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.240
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" 31.075
Then I find very few patterns in the guest's memory 13.097 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.834
Then patterns cover at least 99% of the test FS size in the guest's memory 13.759 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 15.952 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 4.698
And I read the content of the test FS 0.651
Then patterns cover at least 99% of the test FS size in the guest's memory 18.787 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 15.241 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 0.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.870
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the root filesystem 11.834
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.064
Then patterns cover at least 128 MiB in the guest's memory 9.692 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.059
Then I find very few patterns in the guest's memory after 20 seconds 22.771 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 3.874
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
5:57.550
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:24.611
And I prepare Tails for memory erasure tests 0.355
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.916
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.656 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 3.943
After features/support/hooks.rb:100 0.016