Project Number Date
test_Tails_ISO_21319-thunderbird-153 5 27 Oct 2026, 15:44

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 7:16.116 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
20.063
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 6.232
And I prepare Tails for memory erasure tests 0.413
When I start a process allocating 128 MiB of memory with a known pattern 2.169
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.872 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.759
Then I find very few patterns in the guest's memory after 5 seconds 7.615 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.756
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.817
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 6.212
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 2.680 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.430
Then patterns cover at least 99% of the test FS size in the guest's memory 2.820 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.372
Then I find very few patterns in the guest's memory after 3 seconds 5.899 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.926
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.098
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 6.338
And I prepare Tails for memory erasure tests 0.301
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.321
Then I find very few patterns in the guest's memory 2.661 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.342
Then patterns cover at least 75% of the test FS size in the guest's memory 2.998 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 5.777 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# read cache
When I mount the USB drive again 0.181
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 2.821 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.405
Then I find very few patterns in the guest's memory after 3 seconds 5.689 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.698
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.729
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 6.248
And I prepare Tails for memory erasure tests 0.364
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.220
Then I find very few patterns in the guest's memory 2.527 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.277
Then patterns cover at least 99% of the test FS size in the guest's memory 2.634 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.625
Then I find very few patterns in the guest's memory after 3 seconds 5.524 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
# read cache
When I mount the USB drive again 4.204
And I read the content of the test FS 0.297
Then patterns cover at least 99% of the test FS size in the guest's memory 2.737 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.454
Then I find very few patterns in the guest's memory after 3 seconds 5.611 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
After features/support/hooks.rb:339 1.178
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.984
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 6.428
And I prepare Tails for memory erasure tests 0.354
When I fill a 128 MiB file with a known pattern on the root filesystem 12.808
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.474
Then patterns cover at least 128 MiB in the guest's memory 2.113 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.796 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 3.561
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:12.423
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 3:40.418
And I prepare Tails for memory erasure tests 0.255
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.653
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.090 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 3.787
After features/support/hooks.rb:108 0.010