Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 1 30 Oct 2024, 18:49

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 12:53.310 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.
21.463
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.143
And I prepare Tails for memory erasure tests 0.399
When I start a process allocating 128 MiB of memory with a known pattern 2.517
Then patterns cover at least 128 MiB in the guest's memory 3.676

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

When I kill the allocating process 0.321
Then I find very few patterns in the guest's memory after 3 seconds 5.405

Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)

After features/support/hooks.rb:326 0.844
After features/support/hooks.rb:100 0.000
26.571
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.976
And I prepare Tails for memory erasure tests 0.470
And I find very few patterns in the guest's memory 2.883

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 5.601
Then patterns cover at least 99% of the test FS size in the guest's memory 3.067

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

When I umount "/mnt" 0.854
Then I find very few patterns in the guest's memory after 3 seconds 5.718

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

After features/support/hooks.rb:326 4.276
After features/support/hooks.rb:100 0.000
51.803
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.338
And I prepare Tails for memory erasure tests 0.557
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.110
Then I find very few patterns in the guest's memory 2.968

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.371
Then patterns cover at least 75% of the test FS size in the guest's memory 3.119

Pattern coverage: 90.847% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 5.642
Then I find very few patterns in the guest's memory after 3 seconds 5.897

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

# read cache
When I mount the USB drive again 0.286
And I read the content of the test FS 0.709
Then patterns cover at least 99% of the test FS size in the guest's memory 3.425

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

When I umount the USB drive 1.561
Then I find very few patterns in the guest's memory after 3 seconds 5.813

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

After features/support/hooks.rb:326 1.499
After features/support/hooks.rb:100 0.000
1:24.573
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.196
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" 33.979
Then I find very few patterns in the guest's memory 2.981

Pattern coverage: 0.000% (0 MiB out of 943 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.021
Then patterns cover at least 99% of the test FS size in the guest's memory 3.944

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

When I umount the USB drive 2.075
Then I find very few patterns in the guest's memory after 3 seconds 9.982

Pattern coverage: 0.000% (0 MiB out of 943 MiB reference memory)

# read cache
When I mount the USB drive again 5.753
And I read the content of the test FS 0.469
Then patterns cover at least 99% of the test FS size in the guest's memory 7.421

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

When I umount the USB drive 1.260
Then I find very few patterns in the guest's memory after 3 seconds 6.023

Pattern coverage: 0.000% (0 MiB out of 943 MiB reference memory)

After features/support/hooks.rb:326 1.114
After features/support/hooks.rb:100 0.000
50.516
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.130
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 15.003
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.937
Then patterns cover at least 128 MiB in the guest's memory 3.527

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 21.481

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.000
8:58.380
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 8:14.007
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 22.162
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.652

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

After features/support/hooks.rb:326 3.531
After features/support/hooks.rb:100 0.012