Project Number Date
test_Tails_ISO_7929-celluloid-flatpak 19 12 May 2026, 13:02

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 7:46.390 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
18.186
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 6.461
And I prepare Tails for memory erasure tests 0.352
When I start a process allocating 128 MiB of memory with a known pattern 2.285
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.079 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.227
Then I find very few patterns in the guest's memory after 5 seconds 6.779 
Pattern coverage: 0.000% (0 MiB out of 1447 MiB reference memory)
After features/support/hooks.rb:335 0.580
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.992
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 6.494
And I prepare Tails for memory erasure tests 0.439
And I find very few patterns in the guest's memory 1.989 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.805
Then patterns cover at least 99% of the test FS size in the guest's memory 2.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.383
Then I find very few patterns in the guest's memory after 3 seconds 4.856 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:335 0.787
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.855
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 6.529
And I prepare Tails for memory erasure tests 0.364
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.380
Then I find very few patterns in the guest's memory 1.866 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.025
Then patterns cover at least 75% of the test FS size in the guest's memory 2.179 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.868
Then I find very few patterns in the guest's memory after 3 seconds 4.700 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# read cache
When I mount the USB drive again 0.188
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 1.892 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.422
Then I find very few patterns in the guest's memory after 3 seconds 4.983 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:335 0.941
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
59.140
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 6.787
And I prepare Tails for memory erasure tests 0.310
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.657
Then I find very few patterns in the guest's memory 1.736 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.499
Then patterns cover at least 99% of the test FS size in the guest's memory 1.972 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.543
Then I find very few patterns in the guest's memory after 3 seconds 4.807 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# read cache
When I mount the USB drive again 4.386
And I read the content of the test FS 0.298
Then patterns cover at least 99% of the test FS size in the guest's memory 1.892 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory after 3 seconds 4.812 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:335 0.795
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
58.212
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 6.716
And I prepare Tails for memory erasure tests 0.350
When I fill a 128 MiB file with a known pattern on the root filesystem 26.823
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.674
Then patterns cover at least 128 MiB in the guest's memory 2.000 
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 20.641 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:335 4.137
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:40.002
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 4:2.074
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.409
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.134 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:335 3.773
After features/support/hooks.rb:104 0.010