Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 55 27 Jul 2026, 08:07

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 7:38.122 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
18.483
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.473
And I prepare Tails for memory erasure tests 0.312
When I start a process allocating 128 MiB of memory with a known pattern 2.219
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.858 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.882
Then I find very few patterns in the guest's memory after 5 seconds 6.738 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.706
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
16.905
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.495
And I prepare Tails for memory erasure tests 0.331
And I find very few patterns in the guest's memory 1.672 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.560
Then patterns cover at least 99% of the test FS size in the guest's memory 1.812 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.364
Then I find very few patterns in the guest's memory after 3 seconds 4.668 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.823
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
30.708
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.408
And I prepare Tails for memory erasure tests 0.353
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.066
Then I find very few patterns in the guest's memory 1.635 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.415
Then patterns cover at least 75% of the test FS size in the guest's memory 2.011 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.703
Then I find very few patterns in the guest's memory after 3 seconds 4.617 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.149
And I read the content of the test FS 0.462
Then patterns cover at least 99% of the test FS size in the guest's memory 1.869 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.378
Then I find very few patterns in the guest's memory after 3 seconds 4.637 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 1.063
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.792
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.538
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.368
Then I find very few patterns in the guest's memory 1.675 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.253
Then patterns cover at least 99% of the test FS size in the guest's memory 1.777 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.519
Then I find very few patterns in the guest's memory after 3 seconds 4.653 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 4.484
And I read the content of the test FS 0.268
Then patterns cover at least 99% of the test FS size in the guest's memory 1.876 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.403
Then I find very few patterns in the guest's memory after 3 seconds 4.556 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.969
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.303
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.516
And I prepare Tails for memory erasure tests 0.310
When I fill a 128 MiB file with a known pattern on the root filesystem 34.772
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.560
Then patterns cover at least 128 MiB in the guest's memory 1.475 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.661 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 3.852
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:27.929
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:38.979
And I prepare Tails for memory erasure tests 0.290
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.787
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.866 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
After features/support/hooks.rb:339 3.856
After features/support/hooks.rb:108 0.011