Project Number Date
test_Tails_ISO_tor-blog-40076-bring-back-download-links 9 22 Oct 2024, 16:16

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 12:23.699 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.
22.773
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.327
And I prepare Tails for memory erasure tests 0.485
When I start a process allocating 128 MiB of memory with a known pattern 2.548
Then patterns cover at least 128 MiB in the guest's memory 4.061

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

When I kill the allocating process 1.203
Then I find very few patterns in the guest's memory after 3 seconds 6.147

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

After features/support/hooks.rb:326 0.957
After features/support/hooks.rb:100 0.000
51.360
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 34.887
And I prepare Tails for memory erasure tests 0.645
And I find very few patterns in the guest's memory 3.016

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.827
Then patterns cover at least 99% of the test FS size in the guest's memory 3.379

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

When I umount "/mnt" 0.671
Then I find very few patterns in the guest's memory after 3 seconds 5.933

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

After features/support/hooks.rb:326 3.488
After features/support/hooks.rb:100 0.000
48.623
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.387
And I prepare Tails for memory erasure tests 0.929
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.346
Then I find very few patterns in the guest's memory 3.071

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

# write cache
When I fill the USB drive with a known pattern 2.561
Then patterns cover at least 75% of the test FS size in the guest's memory 3.522

Pattern coverage: 89.074% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.937
Then I find very few patterns in the guest's memory after 3 seconds 5.916

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

# read cache
When I mount the USB drive again 0.790
And I read the content of the test FS 0.906
Then patterns cover at least 99% of the test FS size in the guest's memory 3.561

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

When I umount the USB drive 0.583
Then I find very few patterns in the guest's memory after 3 seconds 6.109

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

After features/support/hooks.rb:326 2.018
After features/support/hooks.rb:100 0.001
1:24.582
Before features/support/hooks.rb:269 0.008
Given I have started Tails from DVD without network and logged in 10.330
And I prepare Tails for memory erasure tests 0.535
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.540
Then I find very few patterns in the guest's memory 2.504

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

# write cache
When I fill the USB drive with a known pattern 2.168
Then patterns cover at least 99% of the test FS size in the guest's memory 3.201

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

When I umount the USB drive 2.114
Then I find very few patterns in the guest's memory after 3 seconds 5.776

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

# read cache
When I mount the USB drive again 5.404
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 3.766

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

When I umount the USB drive 2.615
Then I find very few patterns in the guest's memory after 3 seconds 6.172

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

After features/support/hooks.rb:326 1.181
After features/support/hooks.rb:100 0.000
56.168
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.423
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 15.014
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.392
Then patterns cover at least 128 MiB in the guest's memory 3.928

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.932

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

After features/support/hooks.rb:326 3.512
After features/support/hooks.rb:100 0.000
8:0.190
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 7:15.702
And I prepare Tails for memory erasure tests 0.550
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.694
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.230

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 3.631
After features/support/hooks.rb:100 0.015