Project Number Date
test_Tails_ISO_21584-yelp-flatpak-sandbox-escape 2 18 May 2026, 22:05

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 7:31.048 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
17.262
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 6.657
And I prepare Tails for memory erasure tests 0.481
When I start a process allocating 128 MiB of memory with a known pattern 1.189
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.989 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.199
Then I find very few patterns in the guest's memory after 5 seconds 6.744 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:335 0.981
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.728
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 6.808
And I prepare Tails for memory erasure tests 0.356
And I find very few patterns in the guest's memory 1.845 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.781
Then patterns cover at least 99% of the test FS size in the guest's memory 1.885 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.319
Then I find very few patterns in the guest's memory after 3 seconds 4.731 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:335 1.080
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.578
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 6.997
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.524
Then I find very few patterns in the guest's memory 1.691 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.628
Then patterns cover at least 75% of the test FS size in the guest's memory 2.064 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 4.810 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 0.144
And I read the content of the test FS 0.377
Then patterns cover at least 99% of the test FS size in the guest's memory 2.148 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.324
Then I find very few patterns in the guest's memory after 3 seconds 4.724 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:335 0.753
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
56.364
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 6.510
And I prepare Tails for memory erasure tests 0.370
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.084
Then I find very few patterns in the guest's memory 1.793 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.375
Then patterns cover at least 99% of the test FS size in the guest's memory 1.785 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.516
Then I find very few patterns in the guest's memory after 3 seconds 4.581 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 4.164
And I read the content of the test FS 0.303
Then patterns cover at least 99% of the test FS size in the guest's memory 1.789 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 4.564 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:335 0.925
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
49.835
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 6.583
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the root filesystem 18.638
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.145
Then patterns cover at least 128 MiB in the guest's memory 1.513 
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 20.518 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:335 3.746
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:37.279
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 3:56.335
And I prepare Tails for memory erasure tests 0.344
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.573
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.020 
Pattern coverage: 0.000% (0 MiB out of 1548 MiB reference memory)
After features/support/hooks.rb:335 3.486
After features/support/hooks.rb:104 0.034