Project Number Date
test_Tails_ISO_devel 4063 10 Nov 2025, 12:15

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 15:13.446 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
45.811
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 8.324
And I prepare Tails for memory erasure tests 0.399
When I start a process allocating 128 MiB of memory with a known pattern 2.352
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.252 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.029
Then I find very few patterns in the guest's memory after 5 seconds 18.453 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
After features/support/hooks.rb:331 1.432
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.314
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 8.636
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 14.985 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.741
Then patterns cover at least 99% of the test FS size in the guest's memory 14.637 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.371
Then I find very few patterns in the guest's memory after 3 seconds 16.508 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:331 0.698
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:52.056
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 8.746
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.554
Then I find very few patterns in the guest's memory 13.949 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.425
Then patterns cover at least 75% of the test FS size in the guest's memory 16.263 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.919
Then I find very few patterns in the guest's memory after 3 seconds 16.803 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
# read cache
When I mount the USB drive again 0.228
And I read the content of the test FS 0.807
Then patterns cover at least 99% of the test FS size in the guest's memory 15.627 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.442
Then I find very few patterns in the guest's memory after 3 seconds 28.876 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 0.992
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:43.183
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 8.356
And I prepare Tails for memory erasure tests 0.615
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.525
Then I find very few patterns in the guest's memory 19.624 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.212
Then patterns cover at least 99% of the test FS size in the guest's memory 31.434 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 31.990 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
# read cache
When I mount the USB drive again 7.589
And I read the content of the test FS 0.772
Then patterns cover at least 99% of the test FS size in the guest's memory 51.572 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.536
Then I find very few patterns in the guest's memory after 3 seconds 37.291 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 1.089
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.236
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 8.584
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 10.839
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.484
Then patterns cover at least 128 MiB in the guest's memory 13.157 
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 22.755 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:331 3.488
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:56.843
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:23.811
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.316
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.317 
Pattern coverage: 0.000% (0 MiB out of 1566 MiB reference memory)
After features/support/hooks.rb:331 4.416
After features/support/hooks.rb:100 0.014