Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 45 10 Dec 2024, 22:24

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 11:26.886 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
23.080
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.704
And I prepare Tails for memory erasure tests 0.521
When I start a process allocating 128 MiB of memory with a known pattern 2.429
Then patterns cover at least 128 MiB in the guest's memory 3.791 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.541
Then I find very few patterns in the guest's memory after 3 seconds 6.092 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:326 0.944
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.507
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.253
And I prepare Tails for memory erasure tests 0.437
And I find very few patterns in the guest's memory 4.083 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.571
Then patterns cover at least 99% of the test FS size in the guest's memory 4.147 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.261
Then I find very few patterns in the guest's memory after 3 seconds 6.753 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 1.031
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.211
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.407
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.140
Then I find very few patterns in the guest's memory 3.196 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.425
Then patterns cover at least 75% of the test FS size in the guest's memory 4.238 
Pattern coverage: 92.720% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.898
Then I find very few patterns in the guest's memory after 3 seconds 6.837 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# read cache
When I mount the USB drive again 0.290
And I read the content of the test FS 2.589
Then patterns cover at least 99% of the test FS size in the guest's memory 3.625 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.858
Then I find very few patterns in the guest's memory after 3 seconds 6.287 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:326 1.054
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.888
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.372
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.937
Then I find very few patterns in the guest's memory 3.094 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.141
Then patterns cover at least 99% of the test FS size in the guest's memory 2.996 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.331
Then I find very few patterns in the guest's memory after 3 seconds 5.883 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# read cache
When I mount the USB drive again 5.580
And I read the content of the test FS 0.500
Then patterns cover at least 99% of the test FS size in the guest's memory 3.274 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.825
Then I find very few patterns in the guest's memory after 3 seconds 5.512 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
After features/support/hooks.rb:326 0.783
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.371
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.869
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 13.765
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.623
Then patterns cover at least 128 MiB in the guest's memory 2.881 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.798 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
After features/support/hooks.rb:326 3.552
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:35.827
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 6:49.017
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.072
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.269 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 3.531
After features/support/hooks.rb:100 0.013