Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 18 14 Nov 2024, 11:58

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 11:38.947 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
21.525
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.170
And I prepare Tails for memory erasure tests 0.603
When I start a process allocating 128 MiB of memory with a known pattern 1.575
Then patterns cover at least 128 MiB in the guest's memory 3.905 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.937
Then I find very few patterns in the guest's memory after 3 seconds 6.331 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.934
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.423
And I prepare Tails for memory erasure tests 0.506
And I find very few patterns in the guest's memory 4.105 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.625
Then patterns cover at least 99% of the test FS size in the guest's memory 4.135 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.552
Then I find very few patterns in the guest's memory after 3 seconds 6.585 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.215
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.285
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.262
And I prepare Tails for memory erasure tests 0.790
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.147
Then I find very few patterns in the guest's memory 3.899 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.884
Then patterns cover at least 75% of the test FS size in the guest's memory 4.240 
Pattern coverage: 85.535% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.151
Then I find very few patterns in the guest's memory after 3 seconds 7.853 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.333
And I read the content of the test FS 0.822
Then patterns cover at least 99% of the test FS size in the guest's memory 4.535 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.745
Then I find very few patterns in the guest's memory after 3 seconds 6.618 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.153
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.304
And I prepare Tails for memory erasure tests 0.690
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.413
Then I find very few patterns in the guest's memory 3.234 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.961
Then patterns cover at least 99% of the test FS size in the guest's memory 3.596 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.077
Then I find very few patterns in the guest's memory after 3 seconds 6.085 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 4.774
And I read the content of the test FS 0.518
Then patterns cover at least 99% of the test FS size in the guest's memory 3.022 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.834
Then I find very few patterns in the guest's memory after 3 seconds 7.638 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.106
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.658
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.287
And I prepare Tails for memory erasure tests 0.563
When I fill a 128 MiB file with a known pattern on the root filesystem 16.100
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.412
Then patterns cover at least 128 MiB in the guest's memory 3.406 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.870 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 4.055
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.390
Before features/support/hooks.rb:269 0.010
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:0.907
And I prepare Tails for memory erasure tests 1.713
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.549
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.199 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.576
After features/support/hooks.rb:100 0.015