Project Number Date
test_Tails_ISO_stable 6620 01 Sep 2026, 15:45

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 7:5.607 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
19.609
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 6.166
And I prepare Tails for memory erasure tests 0.276
When I start a process allocating 128 MiB of memory with a known pattern 2.175
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.030 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.279
Then I find very few patterns in the guest's memory after 5 seconds 7.679 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 0.555
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.846
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 6.198
And I prepare Tails for memory erasure tests 0.304
And I find very few patterns in the guest's memory 2.812 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.497
Then patterns cover at least 99% of the test FS size in the guest's memory 3.005 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.388
Then I find very few patterns in the guest's memory after 3 seconds 5.639 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 0.829
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.956
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 6.088
And I prepare Tails for memory erasure tests 0.261
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.314
Then I find very few patterns in the guest's memory 2.720 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.555
Then patterns cover at least 75% of the test FS size in the guest's memory 2.940 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.637
Then I find very few patterns in the guest's memory after 3 seconds 5.578 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.184
And I read the content of the test FS 0.541
Then patterns cover at least 99% of the test FS size in the guest's memory 2.973 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.420
Then I find very few patterns in the guest's memory after 3 seconds 5.742 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.798
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.312
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 6.254
And I prepare Tails for memory erasure tests 0.290
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.402
Then I find very few patterns in the guest's memory 2.611 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.189
Then patterns cover at least 99% of the test FS size in the guest's memory 2.712 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 5.279 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 4.058
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 2.649 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 5.511 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:339 0.934
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.615
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 6.291
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the root filesystem 12.778
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.390
Then patterns cover at least 128 MiB in the guest's memory 2.065 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.709 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:339 3.470
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:6.266
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:34.463
And I prepare Tails for memory erasure tests 0.257
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.567
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.974 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 3.417
After features/support/hooks.rb:108 0.009