Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 42 29 Nov 2024, 19:57

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 12:7.714 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.
24.778
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.215
And I prepare Tails for memory erasure tests 0.488
When I start a process allocating 128 MiB of memory with a known pattern 2.741
Then patterns cover at least 128 MiB in the guest's memory 3.742

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

When I kill the allocating process 1.510
Then I find very few patterns in the guest's memory after 3 seconds 6.079

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 1.023
After features/support/hooks.rb:100 0.000
29.655
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.822
And I prepare Tails for memory erasure tests 0.554
And I find very few patterns in the guest's memory 3.707

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.814
Then patterns cover at least 99% of the test FS size in the guest's memory 4.144

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

When I umount "/mnt" 0.733
Then I find very few patterns in the guest's memory after 3 seconds 9.879

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

After features/support/hooks.rb:326 1.554
After features/support/hooks.rb:100 0.000
58.213
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.805
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.106
Then I find very few patterns in the guest's memory 3.601

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.931
Then patterns cover at least 75% of the test FS size in the guest's memory 9.005

Pattern coverage: 86.989% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.886
Then I find very few patterns in the guest's memory after 3 seconds 6.574

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# read cache
When I mount the USB drive again 0.556
And I read the content of the test FS 1.142
Then patterns cover at least 99% of the test FS size in the guest's memory 4.076

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

When I umount the USB drive 0.905
Then I find very few patterns in the guest's memory after 3 seconds 7.189

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 1.706
After features/support/hooks.rb:100 0.000
1:20.370
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.501
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.818
Then I find very few patterns in the guest's memory 3.281

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.072
Then patterns cover at least 99% of the test FS size in the guest's memory 3.375

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

When I umount the USB drive 0.993
Then I find very few patterns in the guest's memory after 3 seconds 5.938

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# read cache
When I mount the USB drive again 6.173
And I read the content of the test FS 1.162
Then patterns cover at least 99% of the test FS size in the guest's memory 3.683

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

When I umount the USB drive 0.822
Then I find very few patterns in the guest's memory after 3 seconds 7.120

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 1.125
After features/support/hooks.rb:100 0.000
55.488
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.646
And I prepare Tails for memory erasure tests 0.507
When I fill a 128 MiB file with a known pattern on the root filesystem 20.079
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.130
Then patterns cover at least 128 MiB in the guest's memory 3.094

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 21.016

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

After features/support/hooks.rb:326 3.567
After features/support/hooks.rb:100 0.000
7:59.208
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:14.025
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.330
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.383

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.013