Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 3 09 Nov 2024, 10:19

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 11:27.931 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.
22.238
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.029
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 2.296
Then patterns cover at least 128 MiB in the guest's memory 3.553

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

When I kill the allocating process 1.784
Then I find very few patterns in the guest's memory after 3 seconds 6.141

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

After features/support/hooks.rb:326 0.865
After features/support/hooks.rb:100 0.000
29.277
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.345
And I prepare Tails for memory erasure tests 0.471
And I find very few patterns in the guest's memory 4.710

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.937
Then patterns cover at least 99% of the test FS size in the guest's memory 5.838

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

When I umount "/mnt" 1.701
Then I find very few patterns in the guest's memory after 3 seconds 6.273

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 1.467
After features/support/hooks.rb:100 0.000
51.523
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.359
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.313
Then I find very few patterns in the guest's memory 3.725

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.677
Then patterns cover at least 75% of the test FS size in the guest's memory 4.053

Pattern coverage: 86.873% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.731
Then I find very few patterns in the guest's memory after 3 seconds 8.016

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# read cache
When I mount the USB drive again 0.378
And I read the content of the test FS 0.622
Then patterns cover at least 99% of the test FS size in the guest's memory 3.673

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

When I umount the USB drive 0.910
Then I find very few patterns in the guest's memory after 3 seconds 6.572

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 1.090
After features/support/hooks.rb:100 0.000
1:19.264
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.019
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.852
Then I find very few patterns in the guest's memory 3.371

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

# write cache
When I fill the USB drive with a known pattern 2.246
Then patterns cover at least 99% of the test FS size in the guest's memory 2.732

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

When I umount the USB drive 5.106
Then I find very few patterns in the guest's memory after 3 seconds 5.433

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

# read cache
When I mount the USB drive again 6.626
And I read the content of the test FS 0.529
Then patterns cover at least 99% of the test FS size in the guest's memory 2.839

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

When I umount the USB drive 1.712
Then I find very few patterns in the guest's memory after 3 seconds 5.352

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

After features/support/hooks.rb:326 1.057
After features/support/hooks.rb:100 0.000
50.702
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.227
And I prepare Tails for memory erasure tests 0.521
When I fill a 128 MiB file with a known pattern on the root filesystem 15.546
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.069
Then patterns cover at least 128 MiB in the guest's memory 3.428

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.891

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 3.489
After features/support/hooks.rb:100 0.000
7:34.924
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 6:46.557
And I prepare Tails for memory erasure tests 1.157
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.889
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.306

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 3.504
After features/support/hooks.rb:100 0.013