Project Number Date
test_Tails_ISO_stable 5979 02 Dec 2025, 01:07

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 13:15.399 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
46.481
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 8.682
And I prepare Tails for memory erasure tests 0.709
When I start a process allocating 128 MiB of memory with a known pattern 2.423
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.084 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.261
Then I find very few patterns in the guest's memory after 5 seconds 19.320 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
After features/support/hooks.rb:331 1.513
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.257
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 9.096
And I prepare Tails for memory erasure tests 0.456
And I find very few patterns in the guest's memory 17.425 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.991
Then patterns cover at least 99% of the test FS size in the guest's memory 15.881 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.475
Then I find very few patterns in the guest's memory after 3 seconds 20.931 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.963
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:43.156
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 9.205
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.152
Then I find very few patterns in the guest's memory 14.343 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.551
Then patterns cover at least 75% of the test FS size in the guest's memory 16.103 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.948
Then I find very few patterns in the guest's memory after 3 seconds 17.219 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
# read cache
When I mount the USB drive again 0.213
And I read the content of the test FS 0.770
Then patterns cover at least 99% of the test FS size in the guest's memory 15.048 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 17.755 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 0.863
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:6.343
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 8.256
And I prepare Tails for memory erasure tests 0.625
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.182
Then I find very few patterns in the guest's memory 14.533 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.811
Then patterns cover at least 99% of the test FS size in the guest's memory 15.340 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.715
Then I find very few patterns in the guest's memory after 3 seconds 16.750 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
# read cache
When I mount the USB drive again 4.680
And I read the content of the test FS 0.659
Then patterns cover at least 99% of the test FS size in the guest's memory 14.292 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.570
Then I find very few patterns in the guest's memory after 3 seconds 15.925 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
After features/support/hooks.rb:331 1.341
After features/support/hooks.rb:100 0.007
Tags: @product @slow @not_release_blocker
57.225
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.033
Given I have started Tails from DVD without network and logged in 9.029
And I prepare Tails for memory erasure tests 0.520
When I fill a 128 MiB file with a known pattern on the root filesystem 11.361
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.840
Then patterns cover at least 128 MiB in the guest's memory 10.569 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 22.894 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 3.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:35.934
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:2.662
And I prepare Tails for memory erasure tests 0.390
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.281
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.589 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:331 3.867
After features/support/hooks.rb:100 0.013