Project Number Date
test_Tails_ISO_tor-blog-40076-bring-back-download-links 5 18 Oct 2024, 15:56

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 11:9.894 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.
23.786
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.507
And I prepare Tails for memory erasure tests 0.555
When I start a process allocating 128 MiB of memory with a known pattern 2.329
Then patterns cover at least 128 MiB in the guest's memory 3.465

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

When I kill the allocating process 1.618
Then I find very few patterns in the guest's memory after 3 seconds 6.309

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 0.844
After features/support/hooks.rb:100 0.000
25.011
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.199
And I prepare Tails for memory erasure tests 0.431
And I find very few patterns in the guest's memory 2.867

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.730
Then patterns cover at least 99% of the test FS size in the guest's memory 3.642

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

When I umount "/mnt" 1.461
Then I find very few patterns in the guest's memory after 3 seconds 5.677

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:326 1.032
After features/support/hooks.rb:100 0.000
47.137
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.286
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.209
Then I find very few patterns in the guest's memory 2.808

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.494
Then patterns cover at least 75% of the test FS size in the guest's memory 3.368

Pattern coverage: 91.061% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.859
Then I find very few patterns in the guest's memory after 3 seconds 5.909

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 0.367
And I read the content of the test FS 0.841
Then patterns cover at least 99% of the test FS size in the guest's memory 3.552

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

When I umount the USB drive 0.813
Then I find very few patterns in the guest's memory after 3 seconds 6.156

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 0.964
After features/support/hooks.rb:100 0.000
1:14.911
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.243
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.787
Then I find very few patterns in the guest's memory 2.274

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

# write cache
When I fill the USB drive with a known pattern 1.924
Then patterns cover at least 99% of the test FS size in the guest's memory 3.335

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

When I umount the USB drive 1.614
Then I find very few patterns in the guest's memory after 3 seconds 6.013

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

# read cache
When I mount the USB drive again 5.471
And I read the content of the test FS 0.390
Then patterns cover at least 99% of the test FS size in the guest's memory 3.568

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

When I umount the USB drive 0.926
Then I find very few patterns in the guest's memory after 3 seconds 5.864

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

After features/support/hooks.rb:326 0.885
After features/support/hooks.rb:100 0.000
50.190
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.236
And I prepare Tails for memory erasure tests 1.162
When I fill a 128 MiB file with a known pattern on the root filesystem 15.066
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.291
Then patterns cover at least 128 MiB in the guest's memory 2.635

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.783

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:326 3.554
After features/support/hooks.rb:100 0.000
7:28.857
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 6:46.151
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.126
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.162

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.014