Project Number Date
test_Tails_ISO_devel 4595 04 Sep 2026, 07:39

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 7:19.147 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
19.437
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 6.221
And I prepare Tails for memory erasure tests 0.291
When I start a process allocating 128 MiB of memory with a known pattern 2.193
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.884 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.187
Then I find very few patterns in the guest's memory after 5 seconds 7.658 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 0.753
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.892
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 6.339
And I prepare Tails for memory erasure tests 0.349
And I find very few patterns in the guest's memory 2.713 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.507
Then patterns cover at least 99% of the test FS size in the guest's memory 2.904 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.414
Then I find very few patterns in the guest's memory after 3 seconds 5.664 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.827
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.673
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 6.279
And I prepare Tails for memory erasure tests 0.339
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.016
Then I find very few patterns in the guest's memory 2.950 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.664
Then patterns cover at least 75% of the test FS size in the guest's memory 3.071 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.628
Then I find very few patterns in the guest's memory after 3 seconds 5.566 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# read cache
When I mount the USB drive again 0.133
And I read the content of the test FS 0.508
Then patterns cover at least 99% of the test FS size in the guest's memory 3.074 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.522
Then I find very few patterns in the guest's memory after 3 seconds 5.916 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 1.029
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.142
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 6.351
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" 29.610
Then I find very few patterns in the guest's memory 2.706 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.206
Then patterns cover at least 99% of the test FS size in the guest's memory 2.713 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory after 3 seconds 5.609 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 3.923
And I read the content of the test FS 0.345
Then patterns cover at least 99% of the test FS size in the guest's memory 2.757 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory after 3 seconds 5.623 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.627
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.480
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 6.233
And I prepare Tails for memory erasure tests 0.315
When I fill a 128 MiB file with a known pattern on the root filesystem 13.587
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.458
Then patterns cover at least 128 MiB in the guest's memory 2.124 
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 20.757 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 3.534
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:16.520
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 3:45.403
And I prepare Tails for memory erasure tests 0.367
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.724
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 21.015 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 3.629
After features/support/hooks.rb:108 0.010