Project Number Date
test_Tails_ISO_21565-flatpak-safe 109 28 Oct 2026, 19:44

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 7:31.874 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
20.181
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 6.300
And I prepare Tails for memory erasure tests 0.323
When I start a process allocating 128 MiB of memory with a known pattern 2.210
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.346 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.201
Then I find very few patterns in the guest's memory after 5 seconds 7.800 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 1.035
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.186
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 6.335
And I prepare Tails for memory erasure tests 0.341
And I find very few patterns in the guest's memory 3.463 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.833
Then patterns cover at least 99% of the test FS size in the guest's memory 2.948 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.434
Then I find very few patterns in the guest's memory after 3 seconds 5.829 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 1.040
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.821
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 6.376
And I prepare Tails for memory erasure tests 0.293
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.493
Then I find very few patterns in the guest's memory 2.953 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.733
Then patterns cover at least 75% of the test FS size in the guest's memory 3.079 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory after 3 seconds 6.601 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# read cache
When I mount the USB drive again 0.174
And I read the content of the test FS 0.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.137 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory after 3 seconds 6.234 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 0.953
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.501
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 6.372
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.079
Then I find very few patterns in the guest's memory 2.513 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.214
Then patterns cover at least 99% of the test FS size in the guest's memory 2.747 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.559
Then I find very few patterns in the guest's memory after 3 seconds 5.607 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
# read cache
When I mount the USB drive again 4.026
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 2.708 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.436
Then I find very few patterns in the guest's memory after 3 seconds 5.486 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 0.881
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.269
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 6.672
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the root filesystem 13.228
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.591
Then patterns cover at least 128 MiB in the guest's memory 2.579 
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 20.799 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 3.792
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:23.913
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:51.238
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 10.345
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 22.044 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
After features/support/hooks.rb:339 3.847
After features/support/hooks.rb:108 0.041