Project Number Date
test_Tails_ISO_devel 4521 30 Jul 2026, 00:29

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 8:5.939 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
19.579
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.984
And I prepare Tails for memory erasure tests 0.348
When I start a process allocating 128 MiB of memory with a known pattern 2.242
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.092 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.998
Then I find very few patterns in the guest's memory after 5 seconds 6.913 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.730
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.523
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 7.014
And I prepare Tails for memory erasure tests 0.410
And I find very few patterns in the guest's memory 1.822 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.672
Then patterns cover at least 99% of the test FS size in the guest's memory 2.161 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.492
Then I find very few patterns in the guest's memory after 3 seconds 4.948 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.891
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
34.467
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 7.052
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.679
Then I find very few patterns in the guest's memory 2.112 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.904
Then patterns cover at least 75% of the test FS size in the guest's memory 2.228 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.760
Then I find very few patterns in the guest's memory after 3 seconds 4.806 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.154
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 2.105 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.364
Then I find very few patterns in the guest's memory after 3 seconds 5.398 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.828
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:7.454
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 7.160
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.520
Then I find very few patterns in the guest's memory 1.945 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.418
Then patterns cover at least 99% of the test FS size in the guest's memory 1.996 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.530
Then I find very few patterns in the guest's memory after 3 seconds 4.762 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 5.140
And I read the content of the test FS 0.287
Then patterns cover at least 99% of the test FS size in the guest's memory 1.982 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.492
Then I find very few patterns in the guest's memory after 3 seconds 4.791 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.862
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.807
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 6.541
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the root filesystem 31.084
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.710
Then patterns cover at least 128 MiB in the guest's memory 1.544 
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 20.530 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 3.925
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:44.106
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:56.963
And I prepare Tails for memory erasure tests 0.324
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.512
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 21.296 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 3.903
After features/support/hooks.rb:108 0.011