Project Number Date
test_Tails_ISO_devel 4304 30 Mar 2026, 11:05

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 6:45.402 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
16.843
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 6.393
And I prepare Tails for memory erasure tests 0.394
When I start a process allocating 128 MiB of memory with a known pattern 1.206
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.963 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.183
Then I find very few patterns in the guest's memory after 5 seconds 6.703 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 0.887
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
16.894
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 6.465
And I prepare Tails for memory erasure tests 0.331
And I find very few patterns in the guest's memory 1.683 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.397
Then patterns cover at least 99% of the test FS size in the guest's memory 1.986 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.330
Then I find very few patterns in the guest's memory after 3 seconds 4.699 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.848
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.776
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 6.423
And I prepare Tails for memory erasure tests 0.347
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.304
Then I find very few patterns in the guest's memory 1.641 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.054
Then patterns cover at least 75% of the test FS size in the guest's memory 2.038 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 4.675 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 0.151
And I read the content of the test FS 0.357
Then patterns cover at least 99% of the test FS size in the guest's memory 1.931 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.317
Then I find very few patterns in the guest's memory after 3 seconds 4.843 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 1.171
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.992
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 6.516
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.880
Then I find very few patterns in the guest's memory 1.640 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.136
Then patterns cover at least 99% of the test FS size in the guest's memory 1.815 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.534
Then I find very few patterns in the guest's memory after 3 seconds 4.521 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 3.627
And I read the content of the test FS 0.274
Then patterns cover at least 99% of the test FS size in the guest's memory 1.682 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 4.562 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:331 0.752
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.758
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 6.567
And I prepare Tails for memory erasure tests 0.364
When I fill a 128 MiB file with a known pattern on the root filesystem 12.127
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.667
Then patterns cover at least 128 MiB in the guest's memory 1.502 
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 20.524 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 3.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:4.138
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:32.762
And I prepare Tails for memory erasure tests 0.307
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.198
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.863 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:331 3.568
After features/support/hooks.rb:100 0.008