Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 71 09 Oct 2024, 07:17

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 10:50.417 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.
20.561
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.114
And I prepare Tails for memory erasure tests 0.419
When I start a process allocating 128 MiB of memory with a known pattern 2.617
Then patterns cover at least 128 MiB in the guest's memory 3.219

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

When I kill the allocating process 0.467
Then I find very few patterns in the guest's memory after 3 seconds 5.722

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:326 0.838
After features/support/hooks.rb:100 0.000
25.667
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.245
And I prepare Tails for memory erasure tests 0.487
And I find very few patterns in the guest's memory 3.029

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.074
Then patterns cover at least 99% of the test FS size in the guest's memory 4.137

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

When I umount "/mnt" 1.029
Then I find very few patterns in the guest's memory after 3 seconds 6.663

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 1.200
After features/support/hooks.rb:100 0.000
47.183
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.138
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.040
Then I find very few patterns in the guest's memory 3.286

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.043
Then patterns cover at least 75% of the test FS size in the guest's memory 3.243

Pattern coverage: 88.061% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.355
Then I find very few patterns in the guest's memory after 3 seconds 5.816

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.711
Then patterns cover at least 99% of the test FS size in the guest's memory 3.882

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

When I umount the USB drive 0.814
Then I find very few patterns in the guest's memory after 3 seconds 6.141

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

After features/support/hooks.rb:326 1.189
After features/support/hooks.rb:100 0.000
1:11.540
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.991
And I prepare Tails for memory erasure tests 0.530
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.603
Then I find very few patterns in the guest's memory 2.559

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.856
Then patterns cover at least 99% of the test FS size in the guest's memory 2.844

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

When I umount the USB drive 1.181
Then I find very few patterns in the guest's memory after 3 seconds 5.456

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

# read cache
When I mount the USB drive again 6.688
And I read the content of the test FS 0.930
Then patterns cover at least 99% of the test FS size in the guest's memory 2.844

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

When I umount the USB drive 0.700
Then I find very few patterns in the guest's memory after 3 seconds 5.351

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 1.033
After features/support/hooks.rb:100 0.000
50.678
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.031
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the root filesystem 17.136
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.835
Then patterns cover at least 128 MiB in the guest's memory 2.530

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 20.721

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

After features/support/hooks.rb:326 3.499
After features/support/hooks.rb:100 0.000
7:14.785
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 6:31.828
And I prepare Tails for memory erasure tests 0.567
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.228
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.147

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

After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.015