Project Number Date
test_Tails_ISO_devel 4116 11 Dec 2025, 23:30

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 14:16.035 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
46.213
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.024
Given I have started Tails from DVD without network and logged in 9.121
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 2.340
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 14.900 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.292
Then I find very few patterns in the guest's memory after 5 seconds 19.120 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 1.013
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:3.490
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 8.429
And I prepare Tails for memory erasure tests 0.450
And I find very few patterns in the guest's memory 16.008 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.860
Then patterns cover at least 99% of the test FS size in the guest's memory 19.036 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.437
Then I find very few patterns in the guest's memory after 3 seconds 17.266 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 1.209
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:49.985
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 8.448
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.670
Then I find very few patterns in the guest's memory 15.474 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.791
Then patterns cover at least 75% of the test FS size in the guest's memory 23.365 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.959
Then I find very few patterns in the guest's memory after 3 seconds 16.641 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.728
Then patterns cover at least 99% of the test FS size in the guest's memory 15.977 
Pattern coverage: 100.000% (127 MiB out of 127 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 17.783 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 1.182
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:40.974
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 8.592
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.873
Then I find very few patterns in the guest's memory 14.888 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.066
Then patterns cover at least 99% of the test FS size in the guest's memory 27.576 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.699
Then I find very few patterns in the guest's memory after 3 seconds 31.593 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 4.501
And I read the content of the test FS 0.503
Then patterns cover at least 99% of the test FS size in the guest's memory 15.593 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.571
Then I find very few patterns in the guest's memory after 3 seconds 19.131 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 2.685
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.332
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 9.376
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the root filesystem 11.002
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.766
Then patterns cover at least 128 MiB in the guest's memory 10.455 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 23.289 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 4.108
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:58.038
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 6:24.303
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.491
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 23.834 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:331 3.777
After features/support/hooks.rb:100 0.016