Project Number Date
test_Tails_ISO_stable 5340 17 Dec 2024, 08:35

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 11:7.489 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
23.108
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.217
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 1.205
Then patterns cover at least 128 MiB in the guest's memory 3.897 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.723
Then I find very few patterns in the guest's memory after 3 seconds 8.614 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 1.717
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.937
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.949
And I prepare Tails for memory erasure tests 0.506
And I find very few patterns in the guest's memory 3.025 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.548
Then patterns cover at least 99% of the test FS size in the guest's memory 3.142 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.400
Then I find very few patterns in the guest's memory after 3 seconds 6.364 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 0.935
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.988
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.534
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.012
Then I find very few patterns in the guest's memory 3.718 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.321
Then patterns cover at least 75% of the test FS size in the guest's memory 4.303 
Pattern coverage: 89.699% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.172
Then I find very few patterns in the guest's memory after 3 seconds 6.152 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.345
And I read the content of the test FS 0.994
Then patterns cover at least 99% of the test FS size in the guest's memory 4.015 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 6.440 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 0.824
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.915
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.963
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.847
Then I find very few patterns in the guest's memory 2.604 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.781
Then patterns cover at least 99% of the test FS size in the guest's memory 2.574 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.009
Then I find very few patterns in the guest's memory after 3 seconds 5.402 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 9.125
And I read the content of the test FS 0.441
Then patterns cover at least 99% of the test FS size in the guest's memory 2.908 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.265
Then I find very few patterns in the guest's memory after 3 seconds 5.571 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.071
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.964
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.912
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 16.511
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.597
Then patterns cover at least 128 MiB in the guest's memory 2.550 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.090
Then I find very few patterns in the guest's memory after 20 seconds 20.877 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.480
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.575
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:36.518
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.465
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.142 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.440
After features/support/hooks.rb:100 0.012