Project Number Date
test_Tails_ISO_19139-arti-bridges 23 06 Dec 2024, 22:20

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 11:50.146 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.
22.927
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.278
And I prepare Tails for memory erasure tests 0.474
When I start a process allocating 128 MiB of memory with a known pattern 2.416
Then patterns cover at least 128 MiB in the guest's memory 3.879

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

When I kill the allocating process 1.855
Then I find very few patterns in the guest's memory after 3 seconds 6.022

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

After features/support/hooks.rb:326 1.297
After features/support/hooks.rb:100 0.000
24.853
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.657
And I prepare Tails for memory erasure tests 0.491
And I find very few patterns in the guest's memory 3.022

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.020
Then patterns cover at least 99% of the test FS size in the guest's memory 3.274

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

When I umount "/mnt" 1.274
Then I find very few patterns in the guest's memory after 3 seconds 6.112

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 1.190
After features/support/hooks.rb:100 0.000
54.528
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.108
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.267
Then I find very few patterns in the guest's memory 4.490

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.836
Then patterns cover at least 75% of the test FS size in the guest's memory 4.236

Pattern coverage: 90.507% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.865
Then I find very few patterns in the guest's memory after 3 seconds 6.850

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

# read cache
When I mount the USB drive again 0.290
And I read the content of the test FS 0.731
Then patterns cover at least 99% of the test FS size in the guest's memory 3.994

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

When I umount the USB drive 2.741
Then I find very few patterns in the guest's memory after 3 seconds 6.718

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:326 4.739
After features/support/hooks.rb:100 0.000
1:27.506
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.500
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.570
Then I find very few patterns in the guest's memory 2.457

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

# write cache
When I fill the USB drive with a known pattern 2.083
Then patterns cover at least 99% of the test FS size in the guest's memory 2.990

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

When I umount the USB drive 1.056
Then I find very few patterns in the guest's memory after 3 seconds 5.673

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

# read cache
When I mount the USB drive again 13.429
And I read the content of the test FS 1.019
Then patterns cover at least 99% of the test FS size in the guest's memory 3.335

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.731
Then I find very few patterns in the guest's memory after 3 seconds 6.238

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

After features/support/hooks.rb:326 1.329
After features/support/hooks.rb:100 0.000
48.572
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.273
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 14.461
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.644
Then patterns cover at least 128 MiB in the guest's memory 2.826

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 20.912

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

After features/support/hooks.rb:326 3.479
After features/support/hooks.rb:100 0.000
7:51.758
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:4.413
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.429
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.402

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.012