Project Number Date
test_Tails_ISO_stable 6248 30 Mar 2026, 15:02

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 7:58.697 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
17.654
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 6.777
And I prepare Tails for memory erasure tests 0.337
When I start a process allocating 128 MiB of memory with a known pattern 1.219
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.021 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.235
Then I find very few patterns in the guest's memory after 5 seconds 7.063 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.595
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.058
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 6.869
And I prepare Tails for memory erasure tests 0.380
And I find very few patterns in the guest's memory 1.707 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.474
Then patterns cover at least 99% of the test FS size in the guest's memory 2.024 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.390
Then I find very few patterns in the guest's memory after 3 seconds 5.211 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 0.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.844
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 19.252
And I prepare Tails for memory erasure tests 0.558
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.779
Then I find very few patterns in the guest's memory 1.945 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.195
Then patterns cover at least 75% of the test FS size in the guest's memory 1.998 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.772
Then I find very few patterns in the guest's memory after 3 seconds 4.779 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.298
And I read the content of the test FS 0.563
Then patterns cover at least 99% of the test FS size in the guest's memory 2.345 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.459
Then I find very few patterns in the guest's memory after 3 seconds 4.897 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 1.018
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.945
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 6.832
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.970
Then I find very few patterns in the guest's memory 1.683 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.293
Then patterns cover at least 99% of the test FS size in the guest's memory 1.835 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.751
Then I find very few patterns in the guest's memory after 3 seconds 4.999 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 12.364
And I read the content of the test FS 0.294
Then patterns cover at least 99% of the test FS size in the guest's memory 1.883 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.531
Then I find very few patterns in the guest's memory after 3 seconds 5.095 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 1.050
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.137
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 6.819
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 13.447
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.224
Then patterns cover at least 128 MiB in the guest's memory 1.690 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 20.494 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 3.455
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:39.057
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 4:5.837
And I prepare Tails for memory erasure tests 0.333
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.795
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.084 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 3.712
After features/support/hooks.rb:100 0.011