Project Number Date
test_Tails_ISO_stable 5275 17 Nov 2024, 12:22

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 11:51.326 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
20.936
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.012
And I prepare Tails for memory erasure tests 0.428
When I start a process allocating 128 MiB of memory with a known pattern 1.279
Then patterns cover at least 128 MiB in the guest's memory 3.630 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.489
Then I find very few patterns in the guest's memory after 3 seconds 6.095 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 6.286
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.578
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 11.342
And I prepare Tails for memory erasure tests 0.433
And I find very few patterns in the guest's memory 3.255 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.583
Then patterns cover at least 99% of the test FS size in the guest's memory 4.222 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.644
Then I find very few patterns in the guest's memory after 3 seconds 6.096 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:326 2.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.343
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.071
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.043
Then I find very few patterns in the guest's memory 4.359 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.133
Then patterns cover at least 75% of the test FS size in the guest's memory 4.603 
Pattern coverage: 90.602% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.304
Then I find very few patterns in the guest's memory after 3 seconds 6.129 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.277
And I read the content of the test FS 0.817
Then patterns cover at least 99% of the test FS size in the guest's memory 3.375 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.617
Then I find very few patterns in the guest's memory after 3 seconds 6.187 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.352
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.614
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.977
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.032
Then I find very few patterns in the guest's memory 2.708 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.881
Then patterns cover at least 99% of the test FS size in the guest's memory 2.890 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.010
Then I find very few patterns in the guest's memory after 3 seconds 5.745 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 7.196
And I read the content of the test FS 0.503
Then patterns cover at least 99% of the test FS size in the guest's memory 2.984 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.682
Then I find very few patterns in the guest's memory after 3 seconds 5.594 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.897
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.899
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 16.261
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.939
Then patterns cover at least 128 MiB in the guest's memory 2.558 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.834 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.477
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:10.955
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:19.863
And I prepare Tails for memory erasure tests 1.186
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.737
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.156 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.011