Project Number Date
test_Tails_ISO_stable 4812 26 Apr 2024, 12:31

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:33.041 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
26.499
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.087
And I prepare Tails for memory erasure tests 0.443
When I start a process allocating 128 MiB of memory with a known pattern 1.208
Then patterns cover at least 128 MiB in the guest's memory 6.462 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 5.267
Then I find very few patterns in the guest's memory 4.029 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:305 1.513
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
24.219
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.146
And I prepare Tails for memory erasure tests 0.452
And I find very few patterns in the guest's memory 3.885 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.800
Then patterns cover at least 99% of the test FS size in the guest's memory 3.554 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.799
Then I find very few patterns in the guest's memory 4.580 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:305 0.792
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
43.159
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.127
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.329
Then I find very few patterns in the guest's memory 4.206 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.174
Then patterns cover at least 86% of the test FS size in the guest's memory 3.292 
Pattern coverage: 89.836% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.605
Then I find very few patterns in the guest's memory 3.654 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.916
Then patterns cover at least 99% of the test FS size in the guest's memory 3.214 
Pattern coverage: 100.596% (128 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 4.215 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:305 0.912
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:20.912
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.019
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.338
Then I find very few patterns in the guest's memory 3.724 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.757
Then patterns cover at least 99% of the test FS size in the guest's memory 2.864 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.562
Then I find very few patterns in the guest's memory 3.367 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 5.890
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 2.728 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.373
Then I find very few patterns in the guest's memory 3.430 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:305 0.955
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
49.955
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 7.960
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the root filesystem 14.949
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.260
Then patterns cover at least 128 MiB in the guest's memory 2.533 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.756 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:305 3.506
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:48.295
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:3.989
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.712
When I trigger shutdown 0.010
And I wait 20 seconds 20.000 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.163 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:305 3.545
After features/support/hooks.rb:89 0.011