Project Number Date
test_Tails_ISO_stable 6053 12 Jan 2026, 16:40

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 7:16.971 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
17.948
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 7.007
And I prepare Tails for memory erasure tests 0.385
When I start a process allocating 128 MiB of memory with a known pattern 1.150
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.176 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.226
Then I find very few patterns in the guest's memory after 5 seconds 7.002 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.856
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.719
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 6.760
And I prepare Tails for memory erasure tests 0.358
And I find very few patterns in the guest's memory 1.920 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.433
Then patterns cover at least 99% of the test FS size in the guest's memory 2.205 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.347
Then I find very few patterns in the guest's memory after 3 seconds 4.693 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 1.050
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.566
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 0.485
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.309
Then I find very few patterns in the guest's memory 2.092 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.112
Then patterns cover at least 75% of the test FS size in the guest's memory 2.154 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.797
Then I find very few patterns in the guest's memory after 3 seconds 5.323 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 0.165
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 2.355 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 4.963 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 0.773
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.867
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 6.625
And I prepare Tails for memory erasure tests 0.351
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.743
Then I find very few patterns in the guest's memory 1.898 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.195
Then patterns cover at least 99% of the test FS size in the guest's memory 2.026 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.557
Then I find very few patterns in the guest's memory after 3 seconds 4.817 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 4.780
And I read the content of the test FS 0.321
Then patterns cover at least 99% of the test FS size in the guest's memory 2.208 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.468
Then I find very few patterns in the guest's memory after 3 seconds 4.871 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 0.979
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.875
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.446
And I prepare Tails for memory erasure tests 0.344
When I fill a 128 MiB file with a known pattern on the root filesystem 12.295
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.847
Then patterns cover at least 128 MiB in the guest's memory 1.446 
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 20.490 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 3.764
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:24.993
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 3:52.889
And I prepare Tails for memory erasure tests 0.312
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.825
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.960 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 3.826
After features/support/hooks.rb:100 0.008