Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 3 26 Oct 2024, 12:10

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 11:27.111 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.
28.042
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.100
And I prepare Tails for memory erasure tests 0.738
When I start a process allocating 128 MiB of memory with a known pattern 2.406
Then patterns cover at least 128 MiB in the guest's memory 7.722

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

When I kill the allocating process 0.386
Then I find very few patterns in the guest's memory after 3 seconds 6.687

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 1.690
After features/support/hooks.rb:100 0.000
33.193
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.263
And I prepare Tails for memory erasure tests 0.470
And I find very few patterns in the guest's memory 4.616

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.505
Then patterns cover at least 99% of the test FS size in the guest's memory 7.084

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

When I umount "/mnt" 2.479
Then I find very few patterns in the guest's memory after 3 seconds 6.773

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

After features/support/hooks.rb:326 1.175
After features/support/hooks.rb:100 0.000
48.760
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.191
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.288
Then I find very few patterns in the guest's memory 3.138

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

# write cache
When I fill the USB drive with a known pattern 2.923
Then patterns cover at least 75% of the test FS size in the guest's memory 3.449

Pattern coverage: 89.827% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.903
Then I find very few patterns in the guest's memory after 3 seconds 5.959

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

# read cache
When I mount the USB drive again 0.496
And I read the content of the test FS 0.567
Then patterns cover at least 99% of the test FS size in the guest's memory 4.188

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

When I umount the USB drive 0.722
Then I find very few patterns in the guest's memory after 3 seconds 6.497

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

After features/support/hooks.rb:326 1.413
After features/support/hooks.rb:100 0.000
1:12.479
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.342
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.987
Then I find very few patterns in the guest's memory 2.664

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

# write cache
When I fill the USB drive with a known pattern 2.531
Then patterns cover at least 99% of the test FS size in the guest's memory 2.937

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

When I umount the USB drive 1.480
Then I find very few patterns in the guest's memory after 3 seconds 5.051

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

# read cache
When I mount the USB drive again 4.535
And I read the content of the test FS 0.568
Then patterns cover at least 99% of the test FS size in the guest's memory 2.517

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

When I umount the USB drive 0.745
Then I find very few patterns in the guest's memory after 3 seconds 5.654

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

After features/support/hooks.rb:326 1.095
After features/support/hooks.rb:100 0.000
53.382
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.390
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 16.804
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.485
Then patterns cover at least 128 MiB in the guest's memory 2.509

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 20.746

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 3.659
After features/support/hooks.rb:100 0.000
7:31.253
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 6:46.655
And I prepare Tails for memory erasure tests 0.883
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.386
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.316

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.011