Project Number Date
test_Tails_ISO_stable 5132 02 Oct 2024, 08:34

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 11:6.759 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.
20.360
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.376
And I prepare Tails for memory erasure tests 0.513
When I start a process allocating 128 MiB of memory with a known pattern 1.354
Then patterns cover at least 128 MiB in the guest's memory 3.641

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

When I kill the allocating process 0.633
Then I find very few patterns in the guest's memory after 3 seconds 5.842

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 0.971
After features/support/hooks.rb:100 0.000
23.291
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.205
And I prepare Tails for memory erasure tests 0.584
And I find very few patterns in the guest's memory 2.933

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.899
Then patterns cover at least 99% of the test FS size in the guest's memory 3.218

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

When I umount "/mnt" 0.618
Then I find very few patterns in the guest's memory after 3 seconds 5.832

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

After features/support/hooks.rb:326 0.784
After features/support/hooks.rb:100 0.000
50.751
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.952
And I prepare Tails for memory erasure tests 0.532
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.290
Then I find very few patterns in the guest's memory 3.281

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

# write cache
When I fill the USB drive with a known pattern 2.274
Then patterns cover at least 75% of the test FS size in the guest's memory 3.411

Pattern coverage: 89.555% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.172
Then I find very few patterns in the guest's memory after 3 seconds 5.908

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

# read cache
When I mount the USB drive again 0.272
And I read the content of the test FS 0.598
Then patterns cover at least 99% of the test FS size in the guest's memory 3.172

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

When I umount the USB drive 5.712
Then I find very few patterns in the guest's memory after 3 seconds 6.170

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

After features/support/hooks.rb:326 0.727
After features/support/hooks.rb:100 0.000
1:14.081
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.045
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.336
Then I find very few patterns in the guest's memory 2.534

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.231
Then patterns cover at least 99% of the test FS size in the guest's memory 2.779

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

When I umount the USB drive 0.928
Then I find very few patterns in the guest's memory after 3 seconds 5.290

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# read cache
When I mount the USB drive again 5.573
And I read the content of the test FS 0.630
Then patterns cover at least 99% of the test FS size in the guest's memory 3.133

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

When I umount the USB drive 0.794
Then I find very few patterns in the guest's memory after 3 seconds 5.286

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 1.145
After features/support/hooks.rb:100 0.000
56.061
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.096
And I prepare Tails for memory erasure tests 0.672
When I fill a 128 MiB file with a known pattern on the root filesystem 21.439
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.944
Then patterns cover at least 128 MiB in the guest's memory 3.014

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

When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 20.872

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

After features/support/hooks.rb:326 3.508
After features/support/hooks.rb:100 0.000
7:22.213
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 6:39.234
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.381
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.137

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

After features/support/hooks.rb:326 3.514
After features/support/hooks.rb:100 0.013