Project Number Date
test_Tails_ISO_security-issues 2 24 Aug 2026, 14:05

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 7:40.206 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
21.645
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 6.595
And I prepare Tails for memory erasure tests 0.874
When I start a process allocating 128 MiB of memory with a known pattern 2.397
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.203 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.804
Then I find very few patterns in the guest's memory after 5 seconds 7.770 
Pattern coverage: 0.000% (0 MiB out of 1451 MiB reference memory)
After features/support/hooks.rb:339 0.593
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.411
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 6.606
And I prepare Tails for memory erasure tests 0.331
And I find very few patterns in the guest's memory 2.783 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.561
Then patterns cover at least 99% of the test FS size in the guest's memory 3.161 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.361
Then I find very few patterns in the guest's memory after 3 seconds 5.604 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.831
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.565
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 6.423
And I prepare Tails for memory erasure tests 0.317
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.448
Then I find very few patterns in the guest's memory 2.827 
Pattern coverage: 0.000% (0 MiB out of 1446 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.703
Then patterns cover at least 75% of the test FS size in the guest's memory 3.280 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory after 3 seconds 5.936 
Pattern coverage: 0.000% (0 MiB out of 1446 MiB reference memory)
# read cache
When I mount the USB drive again 0.198
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 2.936 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 5.753 
Pattern coverage: 0.000% (0 MiB out of 1446 MiB reference memory)
After features/support/hooks.rb:339 0.674
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.165
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 6.643
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" 30.539
Then I find very few patterns in the guest's memory 2.722 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.418
Then patterns cover at least 99% of the test FS size in the guest's memory 2.741 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.623
Then I find very few patterns in the guest's memory after 3 seconds 5.675 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 4.399
And I read the content of the test FS 0.329
Then patterns cover at least 99% of the test FS size in the guest's memory 2.732 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory after 3 seconds 5.556 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 0.682
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
45.389
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.877
And I prepare Tails for memory erasure tests 0.420
When I fill a 128 MiB file with a known pattern on the root filesystem 13.463
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.529
Then patterns cover at least 128 MiB in the guest's memory 2.283 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.809 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 3.709
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:31.030
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 3:59.906
And I prepare Tails for memory erasure tests 0.312
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.402
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.402 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 3.826
After features/support/hooks.rb:108 0.010