Project Number Date
test_Tails_ISO_21565-flatpak-safe 114 01 Nov 2026, 03:40

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 7:10.052 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
19.346
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 6.193
And I prepare Tails for memory erasure tests 0.318
When I start a process allocating 128 MiB of memory with a known pattern 2.222
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.817 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.246
Then I find very few patterns in the guest's memory after 5 seconds 7.547 
Pattern coverage: 0.000% (0 MiB out of 1384 MiB reference memory)
After features/support/hooks.rb:339 0.825
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.478
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 6.264
And I prepare Tails for memory erasure tests 0.358
And I find very few patterns in the guest's memory 2.612 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.499
Then patterns cover at least 99% of the test FS size in the guest's memory 2.798 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.362
Then I find very few patterns in the guest's memory after 3 seconds 5.582 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.753
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.949
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 6.246
And I prepare Tails for memory erasure tests 0.388
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.243
Then I find very few patterns in the guest's memory 2.630 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.485
Then patterns cover at least 75% of the test FS size in the guest's memory 2.971 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory after 3 seconds 5.684 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# read cache
When I mount the USB drive again 0.179
And I read the content of the test FS 0.633
Then patterns cover at least 99% of the test FS size in the guest's memory 2.805 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory after 3 seconds 5.609 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 0.794
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.710
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 6.249
And I prepare Tails for memory erasure tests 0.305
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.302
Then I find very few patterns in the guest's memory 2.540 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.233
Then patterns cover at least 99% of the test FS size in the guest's memory 2.553 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 5.610 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 3.774
And I read the content of the test FS 0.341
Then patterns cover at least 99% of the test FS size in the guest's memory 2.580 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 5.279 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 1.032
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.580
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 6.132
And I prepare Tails for memory erasure tests 0.320
When I fill a 128 MiB file with a known pattern on the root filesystem 13.559
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.489
Then patterns cover at least 128 MiB in the guest's memory 2.215 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.858 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 3.440
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:10.986
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:39.874
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.713
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.097 
Pattern coverage: 0.000% (0 MiB out of 1441 MiB reference memory)
After features/support/hooks.rb:339 3.690
After features/support/hooks.rb:108 0.009