Project Number Date
test_Tails_ISO_stable 6111 31 Jan 2026, 11:48

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 7:33.741 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
18.547
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 6.548
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 2.380
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.135 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.255
Then I find very few patterns in the guest's memory after 5 seconds 6.803 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:331 0.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.412
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 6.632
And I prepare Tails for memory erasure tests 0.309
And I find very few patterns in the guest's memory 2.068 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.684
Then patterns cover at least 99% of the test FS size in the guest's memory 2.062 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.878
Then I find very few patterns in the guest's memory after 3 seconds 4.775 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.936
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.784
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 6.562
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.676
Then I find very few patterns in the guest's memory 2.026 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.702
Then patterns cover at least 75% of the test FS size in the guest's memory 2.010 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.354
Then I find very few patterns in the guest's memory after 3 seconds 4.814 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 0.175
And I read the content of the test FS 0.428
Then patterns cover at least 99% of the test FS size in the guest's memory 2.474 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.326
Then I find very few patterns in the guest's memory after 3 seconds 4.838 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 1.135
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.577
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 6.800
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.921
Then I find very few patterns in the guest's memory 1.770 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.281
Then patterns cover at least 99% of the test FS size in the guest's memory 1.825 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 4.715 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
# read cache
When I mount the USB drive again 12.975
And I read the content of the test FS 0.280
Then patterns cover at least 99% of the test FS size in the guest's memory 1.776 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.460
Then I find very few patterns in the guest's memory after 3 seconds 4.694 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:331 1.078
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.860
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 7.150
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the root filesystem 14.368
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.887
Then patterns cover at least 128 MiB in the guest's memory 1.467 
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 20.570 
Pattern coverage: 0.000% (0 MiB out of 1496 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
4:25.560
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 3:53.177
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.132
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.842 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 3.666
After features/support/hooks.rb:100 0.012