Project Number Date
test_Tails_ISO_21644-desktop-file-dirs-mount-monitoring 5 12 Aug 2026, 11:00

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 7:31.327 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
20.326
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 6.575
And I prepare Tails for memory erasure tests 0.301
When I start a process allocating 128 MiB of memory with a known pattern 2.179
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.931 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.220
Then I find very few patterns in the guest's memory after 5 seconds 8.116 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
After features/support/hooks.rb:339 0.952
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.579
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 6.650
And I prepare Tails for memory erasure tests 0.409
And I find very few patterns in the guest's memory 2.739 
Pattern coverage: 0.000% (0 MiB out of 1445 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.483
Then patterns cover at least 99% of the test FS size in the guest's memory 3.166 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.351
Then I find very few patterns in the guest's memory after 3 seconds 5.779 
Pattern coverage: 0.000% (0 MiB out of 1445 MiB reference memory)
After features/support/hooks.rb:339 0.699
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.363
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 6.681
And I prepare Tails for memory erasure tests 0.301
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.657
Then I find very few patterns in the guest's memory 3.086 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.910
Then patterns cover at least 75% of the test FS size in the guest's memory 3.034 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.821
Then I find very few patterns in the guest's memory after 3 seconds 5.922 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
# read cache
When I mount the USB drive again 0.198
And I read the content of the test FS 0.561
Then patterns cover at least 99% of the test FS size in the guest's memory 3.024 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.335
Then I find very few patterns in the guest's memory after 3 seconds 5.829 
Pattern coverage: 0.000% (0 MiB out of 1452 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
1:4.983
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 6.467
And I prepare Tails for memory erasure tests 0.289
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.007
Then I find very few patterns in the guest's memory 2.632 
Pattern coverage: 0.000% (0 MiB out of 1445 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.236
Then patterns cover at least 99% of the test FS size in the guest's memory 3.014 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.624
Then I find very few patterns in the guest's memory after 3 seconds 5.484 
Pattern coverage: 0.000% (0 MiB out of 1445 MiB reference memory)
# read cache
When I mount the USB drive again 4.447
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 3.196 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 5.600 
Pattern coverage: 0.000% (0 MiB out of 1445 MiB reference memory)
After features/support/hooks.rb:339 0.848
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.648
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 6.621
And I prepare Tails for memory erasure tests 0.323
When I fill a 128 MiB file with a known pattern on the root filesystem 13.236
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.417
Then patterns cover at least 128 MiB in the guest's memory 2.308 
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 20.735 
Pattern coverage: 0.000% (0 MiB out of 1445 MiB reference memory)
After features/support/hooks.rb:339 3.367
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:22.425
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 3:50.653
And I prepare Tails for memory erasure tests 0.327
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.152
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.285 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 3.832
After features/support/hooks.rb:108 0.012