Project Number Date
test_Tails_ISO_tor-blog-40076-bring-back-download-links 10 23 Oct 2024, 16:10

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 11:52.953 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.
22.589
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.153
And I prepare Tails for memory erasure tests 0.621
When I start a process allocating 128 MiB of memory with a known pattern 1.275
Then patterns cover at least 128 MiB in the guest's memory 3.701

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

When I kill the allocating process 1.865
Then I find very few patterns in the guest's memory after 3 seconds 5.972

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.901
After features/support/hooks.rb:100 0.000
25.883
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.407
And I prepare Tails for memory erasure tests 0.527
And I find very few patterns in the guest's memory 3.144

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.152
Then patterns cover at least 99% of the test FS size in the guest's memory 4.437

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

When I umount "/mnt" 0.779
Then I find very few patterns in the guest's memory after 3 seconds 6.433

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 0.772
After features/support/hooks.rb:100 0.000
55.732
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.055
And I prepare Tails for memory erasure tests 0.548
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 3.790

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.618
Then patterns cover at least 75% of the test FS size in the guest's memory 4.182

Pattern coverage: 89.674% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.682
Then I find very few patterns in the guest's memory after 3 seconds 6.551

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 0.360
And I read the content of the test FS 1.052
Then patterns cover at least 99% of the test FS size in the guest's memory 4.216

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

When I umount the USB drive 0.917
Then I find very few patterns in the guest's memory after 3 seconds 6.476

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 0.738
After features/support/hooks.rb:100 0.000
1:16.091
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.416
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.116
Then I find very few patterns in the guest's memory 2.898

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.833
Then patterns cover at least 99% of the test FS size in the guest's memory 3.014

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

When I umount the USB drive 0.967
Then I find very few patterns in the guest's memory after 3 seconds 6.288

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# read cache
When I mount the USB drive again 5.189
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 3.575

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

When I umount the USB drive 0.806
Then I find very few patterns in the guest's memory after 3 seconds 6.104

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 1.114
After features/support/hooks.rb:100 0.000
50.915
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.492
And I prepare Tails for memory erasure tests 0.557
When I fill a 128 MiB file with a known pattern on the root filesystem 13.860
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.960
Then patterns cover at least 128 MiB in the guest's memory 3.176

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.850

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.000
8:1.740
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 7:16.953
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.996
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.314

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.011