Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 38 05 Dec 2024, 21:34

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 13:13.087 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.
27.435
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.922
And I prepare Tails for memory erasure tests 0.519
When I start a process allocating 128 MiB of memory with a known pattern 2.520
Then patterns cover at least 128 MiB in the guest's memory 6.428

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

When I kill the allocating process 2.179
Then I find very few patterns in the guest's memory after 3 seconds 6.864

Pattern coverage: 0.000% (0 MiB out of 926 MiB reference memory)

After features/support/hooks.rb:326 0.820
After features/support/hooks.rb:100 0.000
29.272
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.833
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 3.950

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.481
Then patterns cover at least 99% of the test FS size in the guest's memory 4.003

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

When I umount "/mnt" 1.396
Then I find very few patterns in the guest's memory after 3 seconds 7.145

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 1.018
After features/support/hooks.rb:100 0.000
52.687
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.227
And I prepare Tails for memory erasure tests 0.481
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.549
Then I find very few patterns in the guest's memory 3.661

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

# write cache
When I fill the USB drive with a known pattern 2.604
Then patterns cover at least 75% of the test FS size in the guest's memory 4.101

Pattern coverage: 89.803% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.471
Then I find very few patterns in the guest's memory after 3 seconds 6.496

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

# read cache
When I mount the USB drive again 0.625
And I read the content of the test FS 1.450
Then patterns cover at least 99% of the test FS size in the guest's memory 3.828

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

When I umount the USB drive 1.056
Then I find very few patterns in the guest's memory after 3 seconds 7.133

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

After features/support/hooks.rb:326 0.896
After features/support/hooks.rb:100 0.000
1:27.734
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.481
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.648
Then I find very few patterns in the guest's memory 3.153

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

# write cache
When I fill the USB drive with a known pattern 2.930
Then patterns cover at least 99% of the test FS size in the guest's memory 3.080

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

When I umount the USB drive 1.023
Then I find very few patterns in the guest's memory after 3 seconds 6.124

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

# read cache
When I mount the USB drive again 4.882
And I read the content of the test FS 1.064
Then patterns cover at least 99% of the test FS size in the guest's memory 4.501

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

When I umount the USB drive 2.521
Then I find very few patterns in the guest's memory after 3 seconds 6.885

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

After features/support/hooks.rb:326 1.249
After features/support/hooks.rb:100 0.000
55.042
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.969
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the root filesystem 18.056
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.036
Then patterns cover at least 128 MiB in the guest's memory 3.516

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

When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.992

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

After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.000
9:0.915
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 8:8.773
And I prepare Tails for memory erasure tests 0.551
When I fill a 128 MiB file with a known pattern on the persistent filesystem 30.036
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.538

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:326 3.577
After features/support/hooks.rb:100 0.025