Project Number Date
test_Tails_ISO_stable 6108 30 Jan 2026, 14:44

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 7:31.144 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
19.284
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 6.741
And I prepare Tails for memory erasure tests 0.496
When I start a process allocating 128 MiB of memory with a known pattern 2.194
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.975 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.020
Then I find very few patterns in the guest's memory after 5 seconds 6.854 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 1.062
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.393
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 6.733
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 1.840 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.441
Then patterns cover at least 99% of the test FS size in the guest's memory 2.097 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.916
Then I find very few patterns in the guest's memory after 3 seconds 4.899 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 0.933
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.059
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 6.711
And I prepare Tails for memory erasure tests 0.517
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.288
Then I find very few patterns in the guest's memory 1.844 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.661
Then patterns cover at least 75% of the test FS size in the guest's memory 2.177 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.321
Then I find very few patterns in the guest's memory after 3 seconds 4.907 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 0.169
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 1.928 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.295
Then I find very few patterns in the guest's memory after 3 seconds 4.781 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 0.947
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.955
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 6.980
And I prepare Tails for memory erasure tests 0.530
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.270
Then I find very few patterns in the guest's memory 1.830 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.004
Then patterns cover at least 99% of the test FS size in the guest's memory 1.958 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.568
Then I find very few patterns in the guest's memory after 3 seconds 4.603 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 6.381
And I read the content of the test FS 0.342
Then patterns cover at least 99% of the test FS size in the guest's memory 2.195 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 4.763 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 1.041
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.050
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 6.895
And I prepare Tails for memory erasure tests 0.545
When I fill a 128 MiB file with a known pattern on the root filesystem 14.175
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.465
Then patterns cover at least 128 MiB in the guest's memory 1.482 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.479 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:26.401
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 3:53.984
And I prepare Tails for memory erasure tests 0.294
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.042
When I trigger shutdown 0.027
Then I find very few patterns in the guest's memory after 20 seconds 21.051 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
After features/support/hooks.rb:331 3.855
After features/support/hooks.rb:100 0.029