Project Number Date
test_Tails_ISO_stable 6041 07 Jan 2026, 07:37

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 7:1.724 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
16.993
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 6.597
And I prepare Tails for memory erasure tests 0.285
When I start a process allocating 128 MiB of memory with a known pattern 1.149
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.955 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.176
Then I find very few patterns in the guest's memory after 5 seconds 6.829 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:331 0.776
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
16.728
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 6.482
And I prepare Tails for memory erasure tests 0.313
And I find very few patterns in the guest's memory 1.644 
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 1.304
Then patterns cover at least 99% of the test FS size in the guest's memory 1.815 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.336
Then I find very few patterns in the guest's memory after 3 seconds 4.830 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 1.025
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.714
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 6.616
And I prepare Tails for memory erasure tests 0.323
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.092
Then I find very few patterns in the guest's memory 1.705 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.997
Then patterns cover at least 75% of the test FS size in the guest's memory 1.909 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.768
Then I find very few patterns in the guest's memory after 3 seconds 4.806 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 0.129
And I read the content of the test FS 0.415
Then patterns cover at least 99% of the test FS size in the guest's memory 1.952 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.389
Then I find very few patterns in the guest's memory after 3 seconds 4.607 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:331 1.066
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.437
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 6.656
And I prepare Tails for memory erasure tests 0.318
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.646
Then I find very few patterns in the guest's memory 1.676 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.087
Then patterns cover at least 99% of the test FS size in the guest's memory 1.711 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.550
Then I find very few patterns in the guest's memory after 3 seconds 4.575 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 4.245
And I read the content of the test FS 0.310
Then patterns cover at least 99% of the test FS size in the guest's memory 1.773 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.349
Then I find very few patterns in the guest's memory after 3 seconds 4.535 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:331 0.926
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.745
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 6.469
And I prepare Tails for memory erasure tests 0.349
When I fill a 128 MiB file with a known pattern on the root filesystem 12.281
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.668
Then patterns cover at least 128 MiB in the guest's memory 1.477 
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 20.494 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 3.835
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:18.103
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:46.175
And I prepare Tails for memory erasure tests 0.299
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.704
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.917 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:331 3.619
After features/support/hooks.rb:100 0.034