Project Number Date
test_Tails_ISO_21565-flatpak-safe 138 12 Nov 2026, 15:02

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 7:14.312 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
19.740
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 6.199
And I prepare Tails for memory erasure tests 0.371
When I start a process allocating 128 MiB of memory with a known pattern 2.200
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.134 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.182
Then I find very few patterns in the guest's memory after 5 seconds 7.652 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
After features/support/hooks.rb:339 0.936
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.852
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 6.134
And I prepare Tails for memory erasure tests 0.351
And I find very few patterns in the guest's memory 2.685 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.439
Then patterns cover at least 99% of the test FS size in the guest's memory 3.242 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.369
Then I find very few patterns in the guest's memory after 3 seconds 5.628 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 0.826
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.835
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 6.139
And I prepare Tails for memory erasure tests 0.308
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.224
Then I find very few patterns in the guest's memory 2.646 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.597
Then patterns cover at least 75% of the test FS size in the guest's memory 2.939 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.663
Then I find very few patterns in the guest's memory after 3 seconds 5.606 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# read cache
When I mount the USB drive again 0.160
And I read the content of the test FS 0.582
Then patterns cover at least 99% of the test FS size in the guest's memory 2.910 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.388
Then I find very few patterns in the guest's memory after 3 seconds 5.668 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.930
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.736
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 6.143
And I prepare Tails for memory erasure tests 0.319
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.142
Then I find very few patterns in the guest's memory 2.470 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.231
Then patterns cover at least 99% of the test FS size in the guest's memory 2.583 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory after 3 seconds 5.533 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 3.924
And I read the content of the test FS 0.316
Then patterns cover at least 99% of the test FS size in the guest's memory 2.671 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.402
Then I find very few patterns in the guest's memory after 3 seconds 5.503 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.967
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.464
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 6.118
And I prepare Tails for memory erasure tests 0.339
When I fill a 128 MiB file with a known pattern on the root filesystem 12.255
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.411
Then patterns cover at least 128 MiB in the guest's memory 2.228 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.106 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 3.555
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:14.683
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 3:43.431
And I prepare Tails for memory erasure tests 0.241
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.036
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.968 
Pattern coverage: 0.000% (0 MiB out of 1431 MiB reference memory)
After features/support/hooks.rb:339 3.492
After features/support/hooks.rb:108 0.009