Project Number Date
test_Tails_ISO_stable 6277 08 Apr 2026, 14:13

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 7:31.888 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
18.455
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.321
And I prepare Tails for memory erasure tests 0.371
When I start a process allocating 128 MiB of memory with a known pattern 1.228
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.293 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.229
Then I find very few patterns in the guest's memory after 5 seconds 7.010 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.296
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 6.897
And I prepare Tails for memory erasure tests 0.490
And I find very few patterns in the guest's memory 1.992 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.589
Then patterns cover at least 99% of the test FS size in the guest's memory 1.993 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.342
Then I find very few patterns in the guest's memory after 3 seconds 4.990 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.940
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.017
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.886
And I prepare Tails for memory erasure tests 0.500
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 1.924 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.184
Then patterns cover at least 75% of the test FS size in the guest's memory 2.248 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.785
Then I find very few patterns in the guest's memory after 3 seconds 5.493 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# read cache
When I mount the USB drive again 0.190
And I read the content of the test FS 0.482
Then patterns cover at least 99% of the test FS size in the guest's memory 2.320 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.494
Then I find very few patterns in the guest's memory after 3 seconds 4.978 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:331 0.972
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.649
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.887
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" 29.264
Then I find very few patterns in the guest's memory 2.078 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.072
Then patterns cover at least 99% of the test FS size in the guest's memory 1.865 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 4.835 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 4.566
And I read the content of the test FS 0.535
Then patterns cover at least 99% of the test FS size in the guest's memory 2.159 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.554
Then I find very few patterns in the guest's memory after 3 seconds 4.934 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.669
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.869
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.670
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the root filesystem 13.059
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.660
Then patterns cover at least 128 MiB in the guest's memory 1.549 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.513 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 3.721
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:37.599
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:5.891
And I prepare Tails for memory erasure tests 0.350
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.315
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.035 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:331 3.751
After features/support/hooks.rb:100 0.010