Project Number Date
test_Tails_ISO_stable 6367 11 May 2026, 12:08

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 7:31.996 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
18.575
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 6.750
And I prepare Tails for memory erasure tests 0.428
When I start a process allocating 128 MiB of memory with a known pattern 2.323
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.063 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.210
Then I find very few patterns in the guest's memory after 5 seconds 6.798 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
After features/support/hooks.rb:331 0.645
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.879
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 6.656
And I prepare Tails for memory erasure tests 0.391
And I find very few patterns in the guest's memory 1.946 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.615
Then patterns cover at least 99% of the test FS size in the guest's memory 2.084 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.358
Then I find very few patterns in the guest's memory after 3 seconds 4.826 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
After features/support/hooks.rb:331 0.885
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.029
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 6.757
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.397
Then I find very few patterns in the guest's memory 1.839 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.698
Then patterns cover at least 75% of the test FS size in the guest's memory 2.046 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.768
Then I find very few patterns in the guest's memory after 3 seconds 4.928 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
# read cache
When I mount the USB drive again 0.191
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 2.142 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.504
Then I find very few patterns in the guest's memory after 3 seconds 4.807 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
After features/support/hooks.rb:331 0.745
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.241
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 6.470
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.393
Then I find very few patterns in the guest's memory 1.841 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.360
Then patterns cover at least 99% of the test FS size in the guest's memory 1.821 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 4.801 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# read cache
When I mount the USB drive again 4.439
And I read the content of the test FS 0.341
Then patterns cover at least 99% of the test FS size in the guest's memory 1.848 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 4.582 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
After features/support/hooks.rb:331 0.975
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.996
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 6.636
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 22.226
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.412
Then patterns cover at least 128 MiB in the guest's memory 1.625 
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 20.637 
Pattern coverage: 0.000% (0 MiB out of 1541 MiB reference memory)
After features/support/hooks.rb:331 3.599
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:29.274
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 3:50.256
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.681
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.994 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:331 3.561
After features/support/hooks.rb:100 0.012