Project Number Date
test_Tails_ISO_stable 6581 15 Aug 2026, 11:49

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 7:31.728 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
19.598
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 6.390
And I prepare Tails for memory erasure tests 0.302
When I start a process allocating 128 MiB of memory with a known pattern 2.236
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.817 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.208
Then I find very few patterns in the guest's memory after 5 seconds 7.642 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.688
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.226
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 6.606
And I prepare Tails for memory erasure tests 0.296
And I find very few patterns in the guest's memory 2.812 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.402
Then patterns cover at least 99% of the test FS size in the guest's memory 2.839 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.377
Then I find very few patterns in the guest's memory after 3 seconds 5.891 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.966
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
49.328
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 18.397
And I prepare Tails for memory erasure tests 0.367
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.183
Then I find very few patterns in the guest's memory 2.953 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.588
Then patterns cover at least 75% of the test FS size in the guest's memory 3.086 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.681
Then I find very few patterns in the guest's memory after 3 seconds 6.100 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# read cache
When I mount the USB drive again 0.305
And I read the content of the test FS 0.560
Then patterns cover at least 99% of the test FS size in the guest's memory 2.828 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory after 3 seconds 5.838 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 0.876
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.650
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 6.291
And I prepare Tails for memory erasure tests 0.501
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.724
Then I find very few patterns in the guest's memory 2.677 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.058
Then patterns cover at least 99% of the test FS size in the guest's memory 2.694 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 5.948 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 4.129
And I read the content of the test FS 0.412
Then patterns cover at least 99% of the test FS size in the guest's memory 2.678 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 5.633 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.611
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.993
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 6.512
And I prepare Tails for memory erasure tests 0.369
When I fill a 128 MiB file with a known pattern on the root filesystem 13.029
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.703
Then patterns cover at least 128 MiB in the guest's memory 2.542 
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 20.830 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 3.540
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:14.930
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 3:43.151
And I prepare Tails for memory erasure tests 0.256
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.301
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.215 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 3.769
After features/support/hooks.rb:108 0.010