Project Number Date
test_Tails_ISO_devel 4348 16 Apr 2026, 11:03

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 7:10.295 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
17.130
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 6.613
And I prepare Tails for memory erasure tests 0.314
When I start a process allocating 128 MiB of memory with a known pattern 1.146
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.963 
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 6.862 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.627
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.396
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 6.688
And I prepare Tails for memory erasure tests 0.384
And I find very few patterns in the guest's memory 1.817 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.408
Then patterns cover at least 99% of the test FS size in the guest's memory 1.928 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.298
Then I find very few patterns in the guest's memory after 3 seconds 4.869 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 1.020
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.442
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 6.675
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.165
Then I find very few patterns in the guest's memory 1.795 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.099
Then patterns cover at least 75% of the test FS size in the guest's memory 2.067 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.737
Then I find very few patterns in the guest's memory after 3 seconds 4.783 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.171
And I read the content of the test FS 0.435
Then patterns cover at least 99% of the test FS size in the guest's memory 2.062 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.375
Then I find very few patterns in the guest's memory after 3 seconds 4.684 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.869
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.430
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 6.562
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.138
Then I find very few patterns in the guest's memory 1.643 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.019
Then patterns cover at least 99% of the test FS size in the guest's memory 1.869 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.487
Then I find very few patterns in the guest's memory after 3 seconds 4.875 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 4.191
And I read the content of the test FS 0.351
Then patterns cover at least 99% of the test FS size in the guest's memory 1.819 
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 4.591 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.864
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 6.689
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the root filesystem 12.512
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.070
Then patterns cover at least 128 MiB in the guest's memory 1.651 
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 20.521 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 3.943
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:21.031
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 3:49.594
And I prepare Tails for memory erasure tests 0.311
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.078
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 21.036 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 3.742
After features/support/hooks.rb:100 0.009