Project Number Date
test_Tails_ISO_stable 6142 11 Feb 2026, 20:05

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 7:36.820 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
19.669
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.547
And I prepare Tails for memory erasure tests 0.709
When I start a process allocating 128 MiB of memory with a known pattern 2.299
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.321 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.948
Then I find very few patterns in the guest's memory after 5 seconds 6.842 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 1.133
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.421
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.059
And I prepare Tails for memory erasure tests 0.440
And I find very few patterns in the guest's memory 1.910 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.297
Then patterns cover at least 99% of the test FS size in the guest's memory 2.094 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.855
Then I find very few patterns in the guest's memory after 3 seconds 4.763 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 1.045
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.935
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.978
And I prepare Tails for memory erasure tests 0.543
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.713
Then I find very few patterns in the guest's memory 2.069 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.838
Then patterns cover at least 75% of the test FS size in the guest's memory 2.060 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.224
Then I find very few patterns in the guest's memory after 3 seconds 5.228 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 0.171
And I read the content of the test FS 0.543
Then patterns cover at least 99% of the test FS size in the guest's memory 2.224 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.318
Then I find very few patterns in the guest's memory after 3 seconds 5.020 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.279
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.644
And I prepare Tails for memory erasure tests 0.568
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.124
Then I find very few patterns in the guest's memory 1.710 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.133
Then patterns cover at least 99% of the test FS size in the guest's memory 1.817 
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 4.684 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 4.683
And I read the content of the test FS 0.311
Then patterns cover at least 99% of the test FS size in the guest's memory 2.061 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.427
Then I find very few patterns in the guest's memory after 3 seconds 4.592 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 1.067
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.703
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.518
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the root filesystem 13.695
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.739
Then patterns cover at least 128 MiB in the guest's memory 1.592 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 20.656 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 3.636
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:37.811
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:5.616
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.692
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 21.102 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 3.553
After features/support/hooks.rb:100 0.031