Project Number Date
test_Tails_ISO_devel 3559 23 Oct 2024, 13:01

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 11:46.737 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
21.046
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.297
And I prepare Tails for memory erasure tests 0.463
When I start a process allocating 128 MiB of memory with a known pattern 1.550
Then patterns cover at least 128 MiB in the guest's memory 3.807 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.980
Then I find very few patterns in the guest's memory after 3 seconds 5.948 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.788
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.661
And I prepare Tails for memory erasure tests 0.593
And I find very few patterns in the guest's memory 3.232 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.878
Then patterns cover at least 99% of the test FS size in the guest's memory 3.500 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.643
Then I find very few patterns in the guest's memory after 3 seconds 6.278 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.962
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.804
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.158
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.017
Then I find very few patterns in the guest's memory 3.807 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.841
Then patterns cover at least 75% of the test FS size in the guest's memory 4.374 
Pattern coverage: 88.590% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.229
Then I find very few patterns in the guest's memory after 3 seconds 6.461 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.255
And I read the content of the test FS 0.618
Then patterns cover at least 99% of the test FS size in the guest's memory 4.264 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory after 3 seconds 10.766 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.813
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.317
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.433
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.429
Then I find very few patterns in the guest's memory 3.019 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.234
Then patterns cover at least 99% of the test FS size in the guest's memory 3.079 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.633
Then I find very few patterns in the guest's memory after 3 seconds 5.458 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 5.558
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 4.419 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.177
Then I find very few patterns in the guest's memory after 3 seconds 5.938 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.390
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.215
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.139
And I prepare Tails for memory erasure tests 0.614
When I fill a 128 MiB file with a known pattern on the root filesystem 14.129
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.999
Then patterns cover at least 128 MiB in the guest's memory 2.637 
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 20.682 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.488
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:56.564
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 7:10.382
And I prepare Tails for memory erasure tests 0.816
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.912
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 21.431 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.545
After features/support/hooks.rb:100 0.012