Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 7 31 Oct 2024, 12:36

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 12:34.320 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.
22.988
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.940
And I prepare Tails for memory erasure tests 0.536
When I start a process allocating 128 MiB of memory with a known pattern 2.365
Then patterns cover at least 128 MiB in the guest's memory 3.555

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

When I kill the allocating process 1.694
Then I find very few patterns in the guest's memory after 3 seconds 5.895

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 1.361
After features/support/hooks.rb:100 0.000
26.018
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.393
And I prepare Tails for memory erasure tests 0.696
And I find very few patterns in the guest's memory 3.007

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 1.726
Then patterns cover at least 99% of the test FS size in the guest's memory 3.942

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

When I umount "/mnt" 0.613
Then I find very few patterns in the guest's memory after 3 seconds 6.637

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

After features/support/hooks.rb:326 0.872
After features/support/hooks.rb:100 0.000
53.800
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.761
And I prepare Tails for memory erasure tests 0.579
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.238
Then I find very few patterns in the guest's memory 4.018

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.068
Then patterns cover at least 75% of the test FS size in the guest's memory 4.889

Pattern coverage: 90.375% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.640
Then I find very few patterns in the guest's memory after 3 seconds 6.826

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 0.232
And I read the content of the test FS 0.664
Then patterns cover at least 99% of the test FS size in the guest's memory 4.194

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

When I umount the USB drive 1.405
Then I find very few patterns in the guest's memory after 3 seconds 6.281

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 2.487
After features/support/hooks.rb:100 0.000
1:13.856
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.252
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.509
Then I find very few patterns in the guest's memory 2.446

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

# write cache
When I fill the USB drive with a known pattern 1.731
Then patterns cover at least 99% of the test FS size in the guest's memory 2.807

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

When I umount the USB drive 0.860
Then I find very few patterns in the guest's memory after 3 seconds 5.865

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

# read cache
When I mount the USB drive again 6.287
And I read the content of the test FS 0.437
Then patterns cover at least 99% of the test FS size in the guest's memory 3.552

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 5.960

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

After features/support/hooks.rb:326 1.199
After features/support/hooks.rb:100 0.002
54.246
Before features/support/hooks.rb:269 0.007
Given I have started Tails from DVD without network and logged in 8.943
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the root filesystem 18.966
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.000
Then patterns cover at least 128 MiB in the guest's memory 3.035

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 20.804

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

After features/support/hooks.rb:326 3.568
After features/support/hooks.rb:100 0.000
8:43.411
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 7:59.610
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.069
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.309

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:326 3.581
After features/support/hooks.rb:100 0.013