Project Number Date
test_Tails_ISO_7929-celluloid-flatpak 24 13 May 2026, 19:48

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 7:32.787 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
18.080
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 6.587
And I prepare Tails for memory erasure tests 0.314
When I start a process allocating 128 MiB of memory with a known pattern 2.213
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.901 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.219
Then I find very few patterns in the guest's memory after 5 seconds 6.843 
Pattern coverage: 0.000% (0 MiB out of 1439 MiB reference memory)
After features/support/hooks.rb:335 0.737
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.493
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 6.661
And I prepare Tails for memory erasure tests 0.395
And I find very few patterns in the guest's memory 1.615 
Pattern coverage: 0.000% (0 MiB out of 1438 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.783
Then patterns cover at least 99% of the test FS size in the guest's memory 1.937 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.433
Then I find very few patterns in the guest's memory after 3 seconds 4.665 
Pattern coverage: 0.000% (0 MiB out of 1438 MiB reference memory)
After features/support/hooks.rb:335 0.810
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.355
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 6.607
And I prepare Tails for memory erasure tests 0.350
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.392
Then I find very few patterns in the guest's memory 1.767 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.666
Then patterns cover at least 75% of the test FS size in the guest's memory 2.134 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.869
Then I find very few patterns in the guest's memory after 3 seconds 4.830 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
# read cache
When I mount the USB drive again 0.214
And I read the content of the test FS 0.419
Then patterns cover at least 99% of the test FS size in the guest's memory 1.987 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.484
Then I find very few patterns in the guest's memory after 3 seconds 4.630 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
After features/support/hooks.rb:335 0.918
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
58.600
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 6.738
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.369
Then I find very few patterns in the guest's memory 1.776 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.253
Then patterns cover at least 99% of the test FS size in the guest's memory 1.901 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.520
Then I find very few patterns in the guest's memory after 3 seconds 4.853 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# read cache
When I mount the USB drive again 4.569
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 1.851 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 4.619 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:335 0.662
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.913
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 6.612
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 25.186
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.577
Then patterns cover at least 128 MiB in the guest's memory 1.608 
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 20.518 
Pattern coverage: 0.000% (0 MiB out of 1447 MiB reference memory)
After features/support/hooks.rb:335 3.676
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:30.344
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:48.403
And I prepare Tails for memory erasure tests 0.339
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.516
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.079 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:335 3.416
After features/support/hooks.rb:104 0.040