Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 84 22 Jan 2025, 20:57

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 11:29.744 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.
23.853
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.247
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 2.435
Then patterns cover at least 128 MiB in the guest's memory 3.327

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

When I kill the allocating process 1.185
Then I find very few patterns in the guest's memory after 5 seconds 8.214

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
24.939
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.251
And I prepare Tails for memory erasure tests 0.446
And I find very few patterns in the guest's memory 2.899

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.420
Then patterns cover at least 99% of the test FS size in the guest's memory 4.209

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

When I umount "/mnt" 0.860
Then I find very few patterns in the guest's memory after 3 seconds 5.850

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

After features/support/hooks.rb:326 0.771
After features/support/hooks.rb:100 0.000
49.070
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.556
And I prepare Tails for memory erasure tests 0.536
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.281
Then I find very few patterns in the guest's memory 2.888

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.665
Then patterns cover at least 75% of the test FS size in the guest's memory 3.402

Pattern coverage: 88.229% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.546
Then I find very few patterns in the guest's memory after 3 seconds 5.930

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

# read cache
When I mount the USB drive again 0.426
And I read the content of the test FS 0.944
Then patterns cover at least 99% of the test FS size in the guest's memory 3.988

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

When I umount the USB drive 1.137
Then I find very few patterns in the guest's memory after 3 seconds 6.764

Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)

After features/support/hooks.rb:326 0.788
After features/support/hooks.rb:100 0.000
1:22.053
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.548
And I prepare Tails for memory erasure tests 0.553
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.029
Then I find very few patterns in the guest's memory 3.137

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.695
Then patterns cover at least 99% of the test FS size in the guest's memory 3.457

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

When I umount the USB drive 0.923
Then I find very few patterns in the guest's memory after 3 seconds 6.045

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

# read cache
When I mount the USB drive again 8.766
And I read the content of the test FS 0.949
Then patterns cover at least 99% of the test FS size in the guest's memory 3.584

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

When I umount the USB drive 1.153
Then I find very few patterns in the guest's memory after 3 seconds 6.208

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

After features/support/hooks.rb:326 0.892
After features/support/hooks.rb:100 0.000
52.384
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.444
And I prepare Tails for memory erasure tests 0.510
When I fill a 128 MiB file with a known pattern on the root filesystem 17.079
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.087
Then patterns cover at least 128 MiB in the guest's memory 3.485

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 20.763

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

After features/support/hooks.rb:326 3.548
After features/support/hooks.rb:100 0.000
7:37.443
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 6:52.264
And I prepare Tails for memory erasure tests 0.910
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.020
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.236

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

After features/support/hooks.rb:326 3.562
After features/support/hooks.rb:100 0.011