Project Number Date
test_Tails_ISO_devel 3706 22 Feb 2025, 12:39

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 11:18.832 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
22.080
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 8.149
And I prepare Tails for memory erasure tests 0.548
When I start a process allocating 128 MiB of memory with a known pattern 1.331
Then patterns cover at least 128 MiB in the guest's memory 3.340 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.021
Then I find very few patterns in the guest's memory after 5 seconds 7.688 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.900
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 8.243
And I prepare Tails for memory erasure tests 0.421
And I find very few patterns in the guest's memory 3.525 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.998 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.468
Then I find very few patterns in the guest's memory after 3 seconds 6.704 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.102
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.130
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.352
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.639
Then I find very few patterns in the guest's memory 3.685 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.612
Then patterns cover at least 75% of the test FS size in the guest's memory 4.199 
Pattern coverage: 85.985% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.225
Then I find very few patterns in the guest's memory after 3 seconds 6.473 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.246
And I read the content of the test FS 0.487
Then patterns cover at least 99% of the test FS size in the guest's memory 4.032 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 6.281 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.017
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 8.195
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.205
Then I find very few patterns in the guest's memory 2.774 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.688
Then patterns cover at least 99% of the test FS size in the guest's memory 2.554 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.806
Then I find very few patterns in the guest's memory after 3 seconds 5.407 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 5.241
And I read the content of the test FS 0.411
Then patterns cover at least 99% of the test FS size in the guest's memory 3.256 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.816
Then I find very few patterns in the guest's memory after 3 seconds 6.192 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 2.232
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.952
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.429
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the root filesystem 15.625
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.702
Then patterns cover at least 128 MiB in the guest's memory 3.000 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.786 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.749
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 6:52.564
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.599
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.113 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.531
After features/support/hooks.rb:100 0.011