Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 31 27 Nov 2024, 21:12

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 12:12.761 Passed
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.
23.567
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.114
And I prepare Tails for memory erasure tests 0.648
When I start a process allocating 128 MiB of memory with a known pattern 2.656
Then patterns cover at least 128 MiB in the guest's memory 3.724

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 2.773
Then I find very few patterns in the guest's memory after 3 seconds 5.649

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

After features/support/hooks.rb:326 0.893
After features/support/hooks.rb:100 0.000
26.404
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.199
And I prepare Tails for memory erasure tests 0.466
And I find very few patterns in the guest's memory 2.744

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.455
Then patterns cover at least 99% of the test FS size in the guest's memory 3.332

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 1.087
Then I find very few patterns in the guest's memory after 3 seconds 6.118

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 1.895
After features/support/hooks.rb:100 0.000
48.382
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.877
And I prepare Tails for memory erasure tests 0.613
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.329
Then I find very few patterns in the guest's memory 2.993

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.771
Then patterns cover at least 75% of the test FS size in the guest's memory 2.997

Pattern coverage: 88.150% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.928
Then I find very few patterns in the guest's memory after 3 seconds 5.819

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

# read cache
When I mount the USB drive again 0.512
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 3.688

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 6.661

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

After features/support/hooks.rb:326 1.091
After features/support/hooks.rb:100 0.000
1:14.695
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.364
And I prepare Tails for memory erasure tests 0.657
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.052
Then I find very few patterns in the guest's memory 2.774

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.158
Then patterns cover at least 99% of the test FS size in the guest's memory 2.682

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.007
Then I find very few patterns in the guest's memory after 3 seconds 5.371

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# read cache
When I mount the USB drive again 6.212
And I read the content of the test FS 0.480
Then patterns cover at least 99% of the test FS size in the guest's memory 2.535

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.754
Then I find very few patterns in the guest's memory after 3 seconds 5.644

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 0.874
After features/support/hooks.rb:100 0.000
55.320
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.490
And I prepare Tails for memory erasure tests 1.026
When I fill a 128 MiB file with a known pattern on the root filesystem 20.497
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.040
Then patterns cover at least 128 MiB in the guest's memory 2.442

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.808

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
8:24.391
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 7:40.968
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.790
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.164

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 3.585
After features/support/hooks.rb:100 0.009