Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 3 15 Dec 2024, 20:17

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 11:56.700 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.
22.737
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.328
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 2.417
Then patterns cover at least 128 MiB in the guest's memory 4.214

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

When I kill the allocating process 1.498
Then I find very few patterns in the guest's memory after 3 seconds 5.837

Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)

After features/support/hooks.rb:326 1.130
After features/support/hooks.rb:100 0.000
28.741
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.839
And I prepare Tails for memory erasure tests 0.507
And I find very few patterns in the guest's memory 2.955

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.523
Then patterns cover at least 99% of the test FS size in the guest's memory 4.049

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

When I umount "/mnt" 2.183
Then I find very few patterns in the guest's memory after 3 seconds 6.682

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 1.084
After features/support/hooks.rb:100 0.000
54.996
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.334
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.875
Then I find very few patterns in the guest's memory 3.729

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.894
Then patterns cover at least 75% of the test FS size in the guest's memory 3.863

Pattern coverage: 88.817% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.387
Then I find very few patterns in the guest's memory after 3 seconds 6.529

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# read cache
When I mount the USB drive again 0.299
And I read the content of the test FS 1.372
Then patterns cover at least 99% of the test FS size in the guest's memory 4.284

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

When I umount the USB drive 2.365
Then I find very few patterns in the guest's memory after 3 seconds 6.598

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 0.783
After features/support/hooks.rb:100 0.000
1:28.415
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.668
And I prepare Tails for memory erasure tests 0.553
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.958
Then I find very few patterns in the guest's memory 3.026

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.381
Then patterns cover at least 99% of the test FS size in the guest's memory 3.679

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

When I umount the USB drive 5.599
Then I find very few patterns in the guest's memory after 3 seconds 6.171

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# read cache
When I mount the USB drive again 6.417
And I read the content of the test FS 0.438
Then patterns cover at least 99% of the test FS size in the guest's memory 3.655

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

When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 6.193

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 1.258
After features/support/hooks.rb:100 0.000
50.109
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.424
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the root filesystem 15.484
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.709
Then patterns cover at least 128 MiB in the guest's memory 2.937

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 21.062

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

After features/support/hooks.rb:326 3.510
After features/support/hooks.rb:100 0.000
7:51.699
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 7:4.172
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.676
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.387

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

After features/support/hooks.rb:326 3.587
After features/support/hooks.rb:100 0.015