Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 26 22 Nov 2024, 20:42

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 10:46.983 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.
22.838
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.983
And I prepare Tails for memory erasure tests 0.355
When I start a process allocating 128 MiB of memory with a known pattern 2.273
Then patterns cover at least 128 MiB in the guest's memory 3.689

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

When I kill the allocating process 1.847
Then I find very few patterns in the guest's memory after 3 seconds 6.688

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 0.974
After features/support/hooks.rb:100 0.000
24.766
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.983
And I prepare Tails for memory erasure tests 0.380
And I find very few patterns in the guest's memory 3.061

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.448
Then patterns cover at least 99% of the test FS size in the guest's memory 3.583

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

When I umount "/mnt" 1.309
Then I find very few patterns in the guest's memory after 3 seconds 5.999

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

After features/support/hooks.rb:326 1.003
After features/support/hooks.rb:100 0.000
59.104
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 20.607
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.966
Then I find very few patterns in the guest's memory 3.325

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.689
Then patterns cover at least 75% of the test FS size in the guest's memory 3.533

Pattern coverage: 86.977% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.512
Then I find very few patterns in the guest's memory after 3 seconds 6.090

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

# read cache
When I mount the USB drive again 0.308
And I read the content of the test FS 0.563
Then patterns cover at least 99% of the test FS size in the guest's memory 3.391

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

When I umount the USB drive 0.604
Then I find very few patterns in the guest's memory after 3 seconds 6.072

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

After features/support/hooks.rb:326 0.803
After features/support/hooks.rb:100 0.000
1:16.132
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.080
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.208
Then I find very few patterns in the guest's memory 2.747

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

# write cache
When I fill the USB drive with a known pattern 1.922
Then patterns cover at least 99% of the test FS size in the guest's memory 2.961

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

When I umount the USB drive 1.074
Then I find very few patterns in the guest's memory after 3 seconds 5.900

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

# read cache
When I mount the USB drive again 4.953
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.027

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

When I umount the USB drive 0.760
Then I find very few patterns in the guest's memory after 3 seconds 5.605

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

After features/support/hooks.rb:326 0.818
After features/support/hooks.rb:100 0.000
53.227
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.880
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the root filesystem 19.406
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.019
Then patterns cover at least 128 MiB in the guest's memory 2.689

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

When I trigger shutdown 0.039
Then I find very few patterns in the guest's memory after 20 seconds 20.781

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

After features/support/hooks.rb:326 3.479
After features/support/hooks.rb:100 0.000
6:50.914
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 6:4.800
And I prepare Tails for memory erasure tests 0.861
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.087
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.153

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

After features/support/hooks.rb:326 3.555
After features/support/hooks.rb:100 0.010