Project Number Date
test_Tails_ISO_tps-restart-gnome-software 5 12 Jun 2026, 12:37

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 7:39.614 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
18.557
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.025
Given I have started Tails from DVD without network and logged in 7.136
And I prepare Tails for memory erasure tests 0.390
When I start a process allocating 128 MiB of memory with a known pattern 1.172
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.334 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.735
Then I find very few patterns in the guest's memory after 5 seconds 6.787 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:339 0.666
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.913
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.024
Given I have started Tails from DVD without network and logged in 6.946
And I prepare Tails for memory erasure tests 0.369
And I find very few patterns in the guest's memory 1.784 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.634
Then patterns cover at least 99% of the test FS size in the guest's memory 2.103 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.306
Then I find very few patterns in the guest's memory after 3 seconds 4.769 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 0.849
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.814
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.022
Given I have started Tails from DVD without network and logged in 7.097
And I prepare Tails for memory erasure tests 0.348
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.380
Then I find very few patterns in the guest's memory 1.849 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.537
Then patterns cover at least 75% of the test FS size in the guest's memory 2.096 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.685
Then I find very few patterns in the guest's memory after 3 seconds 4.809 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 0.162
And I read the content of the test FS 0.369
Then patterns cover at least 99% of the test FS size in the guest's memory 1.985 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.373
Then I find very few patterns in the guest's memory after 3 seconds 5.117 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 0.912
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.822
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.047
Given I have started Tails from DVD without network and logged in 7.236
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.039
Then I find very few patterns in the guest's memory 1.984 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.415
Then patterns cover at least 99% of the test FS size in the guest's memory 1.899 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.578
Then I find very few patterns in the guest's memory after 3 seconds 4.715 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 3.769
And I read the content of the test FS 0.279
Then patterns cover at least 99% of the test FS size in the guest's memory 2.014 
Pattern coverage: 106.115% (97 MiB out of 91 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 5.027 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 0.893
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
52.264
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.034
Given I have started Tails from DVD without network and logged in 7.518
And I prepare Tails for memory erasure tests 0.347
When I fill a 128 MiB file with a known pattern on the root filesystem 20.534
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.824
Then patterns cover at least 128 MiB in the guest's memory 1.497 
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 20.535 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 3.873
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:39.242
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.023
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:59.969
And I prepare Tails for memory erasure tests 0.309
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.948
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.008 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:339 3.560
After features/support/hooks.rb:108 0.060