Project Number Date
test_Tails_ISO_21603-fragnesia 3 15 May 2026, 17:24

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 7:22.154 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
17.784
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.428
And I prepare Tails for memory erasure tests 0.330
When I start a process allocating 128 MiB of memory with a known pattern 2.262
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.843 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.201
Then I find very few patterns in the guest's memory after 5 seconds 6.717 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:335 0.954
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.318
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.482
And I prepare Tails for memory erasure tests 0.385
And I find very few patterns in the guest's memory 1.938 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.600
Then patterns cover at least 99% of the test FS size in the guest's memory 1.926 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.261
Then I find very few patterns in the guest's memory after 3 seconds 4.722 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:335 0.871
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
31.409
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.395
And I prepare Tails for memory erasure tests 0.322
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.299
Then I find very few patterns in the guest's memory 1.699 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.541
Then patterns cover at least 75% of the test FS size in the guest's memory 1.999 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 4.709 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 0.180
And I read the content of the test FS 0.498
Then patterns cover at least 99% of the test FS size in the guest's memory 1.879 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.408
Then I find very few patterns in the guest's memory after 3 seconds 4.804 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:335 0.832
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.221
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.620
And I prepare Tails for memory erasure tests 0.358
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.501
Then I find very few patterns in the guest's memory 1.600 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.512
Then patterns cover at least 99% of the test FS size in the guest's memory 1.727 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 4.664 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 3.723
And I read the content of the test FS 0.293
Then patterns cover at least 99% of the test FS size in the guest's memory 1.743 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.411
Then I find very few patterns in the guest's memory after 3 seconds 4.564 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:335 1.027
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.177
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.741
And I prepare Tails for memory erasure tests 0.318
When I fill a 128 MiB file with a known pattern on the root filesystem 24.310
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.890
Then patterns cover at least 128 MiB in the guest's memory 1.432 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.478 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:335 3.411
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:25.242
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:46.943
And I prepare Tails for memory erasure tests 0.291
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.079
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.921 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:335 3.631
After features/support/hooks.rb:104 0.010