Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 37 22 Nov 2024, 19:50

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 12:7.488 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
23.546
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.388
And I prepare Tails for memory erasure tests 0.485
When I start a process allocating 128 MiB of memory with a known pattern 1.233
Then patterns cover at least 128 MiB in the guest's memory 4.301 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.406
Then I find very few patterns in the guest's memory after 3 seconds 6.730 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.960
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.263
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.699
And I prepare Tails for memory erasure tests 0.400
And I find very few patterns in the guest's memory 3.775 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.917
Then patterns cover at least 99% of the test FS size in the guest's memory 4.031 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.834
Then I find very few patterns in the guest's memory after 3 seconds 6.603 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.013
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.275
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.993
And I prepare Tails for memory erasure tests 0.482
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.065
Then I find very few patterns in the guest's memory 3.817 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.974
Then patterns cover at least 75% of the test FS size in the guest's memory 4.815 
Pattern coverage: 86.420% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.073
Then I find very few patterns in the guest's memory after 3 seconds 6.530 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.222
And I read the content of the test FS 0.805
Then patterns cover at least 99% of the test FS size in the guest's memory 5.008 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.729
Then I find very few patterns in the guest's memory after 3 seconds 6.755 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.192
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.029
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.383
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.893
Then I find very few patterns in the guest's memory 3.250 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.068
Then patterns cover at least 99% of the test FS size in the guest's memory 3.540 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.017
Then I find very few patterns in the guest's memory after 3 seconds 6.371 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 5.215
And I read the content of the test FS 0.442
Then patterns cover at least 99% of the test FS size in the guest's memory 3.504 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.813
Then I find very few patterns in the guest's memory after 3 seconds 6.074 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.632
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.184
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the root filesystem 17.829
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.160
Then patterns cover at least 128 MiB in the guest's memory 3.072 
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 20.921 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.508
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:15.742
Before features/support/hooks.rb:269 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:22.615
And I prepare Tails for memory erasure tests 0.837
When I fill a 128 MiB file with a known pattern on the persistent filesystem 30.718
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.553 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.014