Project Number Date
test_Tails_ISO_devel 3558 21 Oct 2024, 20:20

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 11:21.457 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.
21.529
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.245
And I prepare Tails for memory erasure tests 0.444
When I start a process allocating 128 MiB of memory with a known pattern 1.227
Then patterns cover at least 128 MiB in the guest's memory 3.624

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

When I kill the allocating process 2.119
Then I find very few patterns in the guest's memory after 3 seconds 5.866

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

After features/support/hooks.rb:326 0.766
After features/support/hooks.rb:100 0.000
28.091
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.231
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 2.573

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.283
Then patterns cover at least 99% of the test FS size in the guest's memory 3.814

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

When I umount "/mnt" 0.883
Then I find very few patterns in the guest's memory after 3 seconds 9.891

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 0.908
After features/support/hooks.rb:100 0.000
50.530
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.496
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.215
Then I find very few patterns in the guest's memory 3.765

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

# write cache
When I fill the USB drive with a known pattern 2.926
Then patterns cover at least 75% of the test FS size in the guest's memory 3.467

Pattern coverage: 90.415% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.458
Then I find very few patterns in the guest's memory after 3 seconds 6.214

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

# read cache
When I mount the USB drive again 0.352
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 4.149

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

When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory after 3 seconds 6.655

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

After features/support/hooks.rb:326 1.203
After features/support/hooks.rb:100 0.000
1:23.504
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 13.283
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.179
Then I find very few patterns in the guest's memory 3.621

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

# write cache
When I fill the USB drive with a known pattern 3.050
Then patterns cover at least 99% of the test FS size in the guest's memory 3.556

Pattern coverage: 106.113% (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 6.239

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

# read cache
When I mount the USB drive again 5.839
And I read the content of the test FS 0.480
Then patterns cover at least 99% of the test FS size in the guest's memory 3.053

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

When I umount the USB drive 0.897
Then I find very few patterns in the guest's memory after 3 seconds 5.617

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

After features/support/hooks.rb:326 0.951
After features/support/hooks.rb:100 0.000
55.042
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.129
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the root filesystem 15.934
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.090
Then patterns cover at least 128 MiB in the guest's memory 2.538

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.855

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

After features/support/hooks.rb:326 3.505
After features/support/hooks.rb:100 0.000
7:22.759
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 6:38.815
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.306
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.227

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.012