Project Number Date
test_Tails_ISO_20634-greeter-tps-upgrade-failure-fix 4 16 Dec 2024, 18:27

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 12:3.062 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.
20.882
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.547
And I prepare Tails for memory erasure tests 0.506
When I start a process allocating 128 MiB of memory with a known pattern 1.357
Then patterns cover at least 128 MiB in the guest's memory 3.579

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

When I kill the allocating process 0.937
Then I find very few patterns in the guest's memory after 3 seconds 5.953

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

After features/support/hooks.rb:326 2.188
After features/support/hooks.rb:100 0.000
26.794
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.030
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 3.818

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.095
Then patterns cover at least 99% of the test FS size in the guest's memory 4.180

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

When I umount "/mnt" 0.593
Then I find very few patterns in the guest's memory after 3 seconds 6.659

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 0.918
After features/support/hooks.rb:100 0.000
58.009
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.322
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.240
Then I find very few patterns in the guest's memory 3.060

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.631
Then patterns cover at least 75% of the test FS size in the guest's memory 4.116

Pattern coverage: 90.740% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.200
Then I find very few patterns in the guest's memory after 3 seconds 6.727

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# read cache
When I mount the USB drive again 0.522
And I read the content of the test FS 1.612
Then patterns cover at least 99% of the test FS size in the guest's memory 4.029

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

When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 14.447

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 1.395
After features/support/hooks.rb:100 0.000
1:15.896
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.957
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.012
Then I find very few patterns in the guest's memory 3.114

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.133
Then patterns cover at least 99% of the test FS size in the guest's memory 3.403

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

When I umount the USB drive 1.706
Then I find very few patterns in the guest's memory after 3 seconds 5.938

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# read cache
When I mount the USB drive again 5.040
And I read the content of the test FS 0.623
Then patterns cover at least 99% of the test FS size in the guest's memory 3.416

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

When I umount the USB drive 0.829
Then I find very few patterns in the guest's memory after 3 seconds 6.260

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
52.660
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.717
And I prepare Tails for memory erasure tests 0.748
When I fill a 128 MiB file with a known pattern on the root filesystem 16.281
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.909
Then patterns cover at least 128 MiB in the guest's memory 3.108

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 20.882

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 3.478
After features/support/hooks.rb:100 0.000
8:8.818
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 7:25.992
And I prepare Tails for memory erasure tests 0.540
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.051
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.221

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 3.562
After features/support/hooks.rb:100 0.010