Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 76 18 Oct 2024, 07:38

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 10:42.360 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.
20.938
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.722
And I prepare Tails for memory erasure tests 0.438
When I start a process allocating 128 MiB of memory with a known pattern 1.150
Then patterns cover at least 128 MiB in the guest's memory 3.260

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

When I kill the allocating process 0.934
Then I find very few patterns in the guest's memory after 3 seconds 5.430

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:326 0.853
After features/support/hooks.rb:100 0.000
23.294
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.967
And I prepare Tails for memory erasure tests 0.415
And I find very few patterns in the guest's memory 3.080

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.527
Then patterns cover at least 99% of the test FS size in the guest's memory 3.296

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

When I umount "/mnt" 1.156
Then I find very few patterns in the guest's memory after 3 seconds 5.850

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:326 1.300
After features/support/hooks.rb:100 0.000
46.909
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.609
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.039
Then I find very few patterns in the guest's memory 3.095

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.313
Then patterns cover at least 75% of the test FS size in the guest's memory 3.865

Pattern coverage: 85.477% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.035
Then I find very few patterns in the guest's memory after 3 seconds 6.149

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 0.255
And I read the content of the test FS 0.457
Then patterns cover at least 99% of the test FS size in the guest's memory 3.249

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

When I umount the USB drive 0.478
Then I find very few patterns in the guest's memory after 3 seconds 5.897

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 0.944
After features/support/hooks.rb:100 0.000
1:10.948
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.920
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.583
Then I find very few patterns in the guest's memory 2.942

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.621
Then patterns cover at least 99% of the test FS size in the guest's memory 5.245

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

When I umount the USB drive 1.211
Then I find very few patterns in the guest's memory after 3 seconds 5.311

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 3.809
And I read the content of the test FS 0.378
Then patterns cover at least 99% of the test FS size in the guest's memory 2.571

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.587
Then I find very few patterns in the guest's memory after 3 seconds 5.315

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 0.741
After features/support/hooks.rb:100 0.000
47.593
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.024
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the root filesystem 14.181
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.595
Then patterns cover at least 128 MiB in the guest's memory 2.613

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 20.706

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.000
7:12.676
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:27.959
And I prepare Tails for memory erasure tests 0.765
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.690
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.243

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 3.605
After features/support/hooks.rb:100 0.016