Project Number Date
test_Tails_ISO_devel 4486 09 Jul 2026, 07:56

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 7:51.762 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
17.395
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 6.857
And I prepare Tails for memory erasure tests 0.359
When I start a process allocating 128 MiB of memory with a known pattern 1.141
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.956 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.180
Then I find very few patterns in the guest's memory after 5 seconds 6.900 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 0.867
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.515
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 6.789
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 1.805 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.566
Then patterns cover at least 99% of the test FS size in the guest's memory 1.874 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.281
Then I find very few patterns in the guest's memory after 3 seconds 4.753 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 0.676
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.992
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 6.859
And I prepare Tails for memory erasure tests 0.365
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.280
Then I find very few patterns in the guest's memory 1.755 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.278
Then patterns cover at least 75% of the test FS size in the guest's memory 2.091 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.689
Then I find very few patterns in the guest's memory after 3 seconds 4.815 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 0.158
And I read the content of the test FS 0.493
Then patterns cover at least 99% of the test FS size in the guest's memory 2.040 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.373
Then I find very few patterns in the guest's memory after 3 seconds 4.790 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.770
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.268
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 6.463
And I prepare Tails for memory erasure tests 0.327
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.046
Then I find very few patterns in the guest's memory 1.828 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.074
Then patterns cover at least 99% of the test FS size in the guest's memory 1.725 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 4.756 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 3.963
And I read the content of the test FS 0.354
Then patterns cover at least 99% of the test FS size in the guest's memory 1.965 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 4.802 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 1.022
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.748
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.533
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the root filesystem 33.789
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.927
Then patterns cover at least 128 MiB in the guest's memory 1.524 
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 20.519 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 3.815
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:41.841
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:53.066
And I prepare Tails for memory erasure tests 0.341
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.385
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.041 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
After features/support/hooks.rb:339 3.465
After features/support/hooks.rb:108 0.043