Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 22 19 Nov 2024, 20:52

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 11:2.197 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
21.381
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.104
And I prepare Tails for memory erasure tests 0.446
When I start a process allocating 128 MiB of memory with a known pattern 2.442
Then patterns cover at least 128 MiB in the guest's memory 4.078 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.371
Then I find very few patterns in the guest's memory after 3 seconds 5.938 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.836
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.997
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.143
And I prepare Tails for memory erasure tests 0.485
And I find very few patterns in the guest's memory 3.152 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.162
Then patterns cover at least 99% of the test FS size in the guest's memory 3.690 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.825
Then I find very few patterns in the guest's memory after 3 seconds 6.537 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 0.869
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.775
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.903
And I prepare Tails for memory erasure tests 0.612
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.254
Then I find very few patterns in the guest's memory 3.507 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.940
Then patterns cover at least 75% of the test FS size in the guest's memory 3.552 
Pattern coverage: 92.399% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.745
Then I find very few patterns in the guest's memory after 3 seconds 6.198 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.292
And I read the content of the test FS 0.598
Then patterns cover at least 99% of the test FS size in the guest's memory 3.373 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.706
Then I find very few patterns in the guest's memory after 3 seconds 6.090 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.841
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.682
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.992
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.984
Then I find very few patterns in the guest's memory 2.757 
Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.367
Then patterns cover at least 99% of the test FS size in the guest's memory 3.105 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.541
Then I find very few patterns in the guest's memory after 3 seconds 5.787 
Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)
# read cache
When I mount the USB drive again 5.527
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 2.918 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.980
Then I find very few patterns in the guest's memory after 3 seconds 5.827 
Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)
After features/support/hooks.rb:326 0.819
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.077
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.075
And I prepare Tails for memory erasure tests 0.606
When I fill a 128 MiB file with a known pattern on the root filesystem 17.107
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.868
Then patterns cover at least 128 MiB in the guest's memory 2.599 
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 20.805 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.282
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 6:37.798
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.827
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.229 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 3.525
After features/support/hooks.rb:100 0.012