Project Number Date
test_Tails_ISO_21170-upgrade-trixie-13.5 2 18 May 2026, 16:56

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 7:33.815 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
18.992
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 6.765
And I prepare Tails for memory erasure tests 0.400
When I start a process allocating 128 MiB of memory with a known pattern 2.265
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.158 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.705
Then I find very few patterns in the guest's memory after 5 seconds 6.698 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:335 0.841
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.952
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 6.896
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 1.857 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.675
Then patterns cover at least 99% of the test FS size in the guest's memory 2.071 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.355
Then I find very few patterns in the guest's memory after 3 seconds 4.699 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:335 0.778
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.585
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 6.622
And I prepare Tails for memory erasure tests 0.563
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.398
Then I find very few patterns in the guest's memory 1.781 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.711
Then patterns cover at least 75% of the test FS size in the guest's memory 1.956 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.709
Then I find very few patterns in the guest's memory after 3 seconds 4.766 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 0.153
And I read the content of the test FS 0.424
Then patterns cover at least 99% of the test FS size in the guest's memory 2.130 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.492
Then I find very few patterns in the guest's memory after 3 seconds 4.873 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:335 0.728
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
59.030
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 6.823
And I prepare Tails for memory erasure tests 0.371
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.104
Then I find very few patterns in the guest's memory 1.878 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.433
Then patterns cover at least 99% of the test FS size in the guest's memory 2.000 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.551
Then I find very few patterns in the guest's memory after 3 seconds 4.695 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 4.483
And I read the content of the test FS 0.310
Then patterns cover at least 99% of the test FS size in the guest's memory 2.028 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.522
Then I find very few patterns in the guest's memory after 3 seconds 4.827 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:335 0.802
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
57.902
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 6.960
And I prepare Tails for memory erasure tests 0.368
When I fill a 128 MiB file with a known pattern on the root filesystem 26.315
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.167
Then patterns cover at least 128 MiB in the guest's memory 1.570 
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 20.514 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:335 3.722
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:27.352
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 3:49.184
And I prepare Tails for memory erasure tests 0.380
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.796
When I trigger shutdown 0.028
Then I find very few patterns in the guest's memory after 20 seconds 20.963 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:335 3.448
After features/support/hooks.rb:104 0.012