Project Number Date
test_Tails_ISO_devel 4590 03 Sep 2026, 14:27

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 7:9.643 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
19.242
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 6.209
And I prepare Tails for memory erasure tests 0.293
When I start a process allocating 128 MiB of memory with a known pattern 2.179
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.741 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.189
Then I find very few patterns in the guest's memory after 5 seconds 7.628 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.935
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.543
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.363
And I prepare Tails for memory erasure tests 0.278
And I find very few patterns in the guest's memory 2.663 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.439
Then patterns cover at least 99% of the test FS size in the guest's memory 2.848 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.338
Then I find very few patterns in the guest's memory after 3 seconds 5.611 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.640
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.940
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 6.477
And I prepare Tails for memory erasure tests 0.328
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.069
Then I find very few patterns in the guest's memory 2.633 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.485
Then patterns cover at least 75% of the test FS size in the guest's memory 2.946 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.606
Then I find very few patterns in the guest's memory after 3 seconds 5.520 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 0.146
And I read the content of the test FS 0.577
Then patterns cover at least 99% of the test FS size in the guest's memory 3.160 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.379
Then I find very few patterns in the guest's memory after 3 seconds 5.608 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.797
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.780
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 6.190
And I prepare Tails for memory erasure tests 0.289
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.631
Then I find very few patterns in the guest's memory 2.525 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.248
Then patterns cover at least 99% of the test FS size in the guest's memory 2.754 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.521
Then I find very few patterns in the guest's memory after 3 seconds 5.625 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 3.959
And I read the content of the test FS 0.320
Then patterns cover at least 99% of the test FS size in the guest's memory 2.742 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.423
Then I find very few patterns in the guest's memory after 3 seconds 5.548 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 0.937
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.340
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 6.153
And I prepare Tails for memory erasure tests 0.281
When I fill a 128 MiB file with a known pattern on the root filesystem 12.356
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.593
Then patterns cover at least 128 MiB in the guest's memory 2.197 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.753 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 3.695
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:10.796
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:38.867
And I prepare Tails for memory erasure tests 0.302
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.619
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.001 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
After features/support/hooks.rb:339 3.417
After features/support/hooks.rb:108 0.010