Project Number Date
test_Tails_ISO_devel 4066 11 Nov 2025, 14:20

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 15:35.533 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
47.470
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.440
And I prepare Tails for memory erasure tests 0.404
When I start a process allocating 128 MiB of memory with a known pattern 2.231
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.268 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.811
Then I find very few patterns in the guest's memory after 5 seconds 19.313 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 2.244
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:50.485
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 17.475
And I prepare Tails for memory erasure tests 0.385
And I find very few patterns in the guest's memory 21.887 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.667
Then patterns cover at least 99% of the test FS size in the guest's memory 16.689 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.411
Then I find very few patterns in the guest's memory after 3 seconds 51.969 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 1.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:56.866
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.021
Given I have started Tails from DVD without network and logged in 9.656
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.450
Then I find very few patterns in the guest's memory 26.448 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.726
Then patterns cover at least 75% of the test FS size in the guest's memory 18.221 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.903
Then I find very few patterns in the guest's memory after 3 seconds 18.459 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# read cache
When I mount the USB drive again 0.278
And I read the content of the test FS 0.639
Then patterns cover at least 99% of the test FS size in the guest's memory 15.026 
Pattern coverage: 100.000% (127 MiB out of 127 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 17.088 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 0.856
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:17.042
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.346
And I prepare Tails for memory erasure tests 0.500
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.794
Then I find very few patterns in the guest's memory 13.532 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.176
Then patterns cover at least 99% of the test FS size in the guest's memory 14.351 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.628
Then I find very few patterns in the guest's memory after 3 seconds 16.283 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 4.480
And I read the content of the test FS 0.479
Then patterns cover at least 99% of the test FS size in the guest's memory 16.046 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.860
Then I find very few patterns in the guest's memory after 3 seconds 21.560 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.826
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.987
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 10.193
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 10.054
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.116
Then patterns cover at least 128 MiB in the guest's memory 10.369 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 22.828 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 3.859
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:46.681
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 7:13.081
And I prepare Tails for memory erasure tests 0.348
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.459
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 23.780 
Pattern coverage: 0.000% (0 MiB out of 1442 MiB reference memory)
After features/support/hooks.rb:331 3.944
After features/support/hooks.rb:100 0.019