Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 33 06 Jul 2026, 08:06

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 7:28.271 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
16.773
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.533
And I prepare Tails for memory erasure tests 0.305
When I start a process allocating 128 MiB of memory with a known pattern 1.155
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.827 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.206
Then I find very few patterns in the guest's memory after 5 seconds 6.742 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 1.000
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
16.814
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.480
And I prepare Tails for memory erasure tests 0.322
And I find very few patterns in the guest's memory 1.645 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.486
Then patterns cover at least 99% of the test FS size in the guest's memory 1.848 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.297
Then I find very few patterns in the guest's memory after 3 seconds 4.734 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.971
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.025
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.472
And I prepare Tails for memory erasure tests 0.325
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.145
Then I find very few patterns in the guest's memory 1.650 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.318
Then patterns cover at least 75% of the test FS size in the guest's memory 2.029 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.686
Then I find very few patterns in the guest's memory after 3 seconds 4.777 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# read cache
When I mount the USB drive again 0.211
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 1.950 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.353
Then I find very few patterns in the guest's memory after 3 seconds 4.677 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 0.704
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.208
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.465
And I prepare Tails for memory erasure tests 0.300
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.917
Then I find very few patterns in the guest's memory 1.641 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.129
Then patterns cover at least 99% of the test FS size in the guest's memory 1.755 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.439
Then I find very few patterns in the guest's memory after 3 seconds 4.623 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# read cache
When I mount the USB drive again 3.860
And I read the content of the test FS 0.267
Then patterns cover at least 99% of the test FS size in the guest's memory 1.788 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.384
Then I find very few patterns in the guest's memory after 3 seconds 4.635 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 1.097
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.219
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.399
And I prepare Tails for memory erasure tests 0.313
When I fill a 128 MiB file with a known pattern on the root filesystem 26.706
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.907
Then patterns cover at least 128 MiB in the guest's memory 1.426 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.461 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 3.874
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:31.229
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:40.123
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.889
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.876 
Pattern coverage: 0.000% (0 MiB out of 1519 MiB reference memory)
After features/support/hooks.rb:339 3.566
After features/support/hooks.rb:108 0.009