Project Number Date
test_Tails_ISO_devel 4369 30 Apr 2026, 16:09

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 7:41.396 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
20.278
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 7.029
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 2.321
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.745 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.870
Then I find very few patterns in the guest's memory after 5 seconds 6.916 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:331 0.999
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.901
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 6.800
And I prepare Tails for memory erasure tests 0.382
And I find very few patterns in the guest's memory 1.990 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.037
Then patterns cover at least 99% of the test FS size in the guest's memory 2.396 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.381
Then I find very few patterns in the guest's memory after 3 seconds 4.913 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:331 0.958
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.977
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 6.801
And I prepare Tails for memory erasure tests 0.376
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.712
Then I find very few patterns in the guest's memory 1.883 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.146
Then patterns cover at least 75% of the test FS size in the guest's memory 2.301 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.732
Then I find very few patterns in the guest's memory after 3 seconds 4.881 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
# read cache
When I mount the USB drive again 0.213
And I read the content of the test FS 0.428
Then patterns cover at least 99% of the test FS size in the guest's memory 2.127 
Pattern coverage: 100.000% (127 MiB out of 127 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 4.915 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:331 0.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.234
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 6.886
And I prepare Tails for memory erasure tests 0.300
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.230
Then I find very few patterns in the guest's memory 1.908 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.538
Then patterns cover at least 99% of the test FS size in the guest's memory 1.932 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.691
Then I find very few patterns in the guest's memory after 3 seconds 4.838 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
# read cache
When I mount the USB drive again 4.534
And I read the content of the test FS 0.379
Then patterns cover at least 99% of the test FS size in the guest's memory 2.247 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.852
Then I find very few patterns in the guest's memory after 3 seconds 4.892 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
After features/support/hooks.rb:331 1.176
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.308
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 6.725
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the root filesystem 13.496
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.324
Then patterns cover at least 128 MiB in the guest's memory 1.628 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.708 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
After features/support/hooks.rb:331 4.007
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:34.695
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 4:2.315
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.005
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.980 
Pattern coverage: 0.000% (0 MiB out of 1510 MiB reference memory)
After features/support/hooks.rb:331 3.699
After features/support/hooks.rb:100 0.012