Project Number Date
test_Tails_ISO_devel 4524 30 Jul 2026, 22:05

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 7:20.656 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
19.560
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 6.275
And I prepare Tails for memory erasure tests 0.342
When I start a process allocating 128 MiB of memory with a known pattern 2.182
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.898 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.199
Then I find very few patterns in the guest's memory after 5 seconds 7.661 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.691
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.331
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 18.015
And I prepare Tails for memory erasure tests 0.293
And I find very few patterns in the guest's memory 2.581 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.495
Then patterns cover at least 99% of the test FS size in the guest's memory 2.887 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.380
Then I find very few patterns in the guest's memory after 3 seconds 5.677 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.895
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.954
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 6.263
And I prepare Tails for memory erasure tests 0.329
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.057
Then I find very few patterns in the guest's memory 2.660 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.643
Then patterns cover at least 75% of the test FS size in the guest's memory 3.051 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.623
Then I find very few patterns in the guest's memory after 3 seconds 5.559 
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 0.572
Then patterns cover at least 99% of the test FS size in the guest's memory 3.001 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.452
Then I find very few patterns in the guest's memory after 3 seconds 5.594 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.772
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.332
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 6.369
And I prepare Tails for memory erasure tests 0.306
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.591
Then I find very few patterns in the guest's memory 2.605 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.165
Then patterns cover at least 99% of the test FS size in the guest's memory 2.621 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.532
Then I find very few patterns in the guest's memory after 3 seconds 5.511 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 3.697
And I read the content of the test FS 0.371
Then patterns cover at least 99% of the test FS size in the guest's memory 3.557 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.471
Then I find very few patterns in the guest's memory after 3 seconds 5.530 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 1.002
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.880
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 6.178
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the root filesystem 11.994
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.476
Then patterns cover at least 128 MiB in the guest's memory 2.127 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.747 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 3.656
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:8.596
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 3:37.193
And I prepare Tails for memory erasure tests 0.268
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.056
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.074 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:339 3.663
After features/support/hooks.rb:108 0.054