Project Number Date
test_Tails_ISO_19139-arti-bridges 4 17 Nov 2024, 22:13

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 11:49.110 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.
23.466
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.487
And I prepare Tails for memory erasure tests 0.509
When I start a process allocating 128 MiB of memory with a known pattern 2.526
Then patterns cover at least 128 MiB in the guest's memory 3.875

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

When I kill the allocating process 1.070
Then I find very few patterns in the guest's memory after 3 seconds 5.996

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

After features/support/hooks.rb:326 1.816
After features/support/hooks.rb:100 0.000
25.770
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.357
And I prepare Tails for memory erasure tests 0.469
And I find very few patterns in the guest's memory 2.734

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.950
Then patterns cover at least 99% of the test FS size in the guest's memory 3.250

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

When I umount "/mnt" 2.144
Then I find very few patterns in the guest's memory after 3 seconds 5.863

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 0.903
After features/support/hooks.rb:100 0.000
51.056
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.128
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.276
Then I find very few patterns in the guest's memory 2.822

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.057
Then patterns cover at least 75% of the test FS size in the guest's memory 4.185

Pattern coverage: 86.273% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.453
Then I find very few patterns in the guest's memory after 3 seconds 6.727

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# read cache
When I mount the USB drive again 2.088
And I read the content of the test FS 1.344
Then patterns cover at least 99% of the test FS size in the guest's memory 4.135

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

When I umount the USB drive 0.630
Then I find very few patterns in the guest's memory after 3 seconds 6.767

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 0.773
After features/support/hooks.rb:100 0.000
1:17.086
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.100
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.488
Then I find very few patterns in the guest's memory 2.917

Pattern coverage: 0.000% (0 MiB out of 897 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 2.993

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

When I umount the USB drive 1.105
Then I find very few patterns in the guest's memory after 3 seconds 5.514

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# read cache
When I mount the USB drive again 7.023
And I read the content of the test FS 0.490
Then patterns cover at least 99% of the test FS size in the guest's memory 2.839

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

When I umount the USB drive 1.987
Then I find very few patterns in the guest's memory after 3 seconds 5.313

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:326 2.242
After features/support/hooks.rb:100 0.000
57.178
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.676
And I prepare Tails for memory erasure tests 0.497
When I fill a 128 MiB file with a known pattern on the root filesystem 17.514
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.785
Then patterns cover at least 128 MiB in the guest's memory 3.202

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.488

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

After features/support/hooks.rb:326 3.747
After features/support/hooks.rb:100 0.000
7:54.552
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 7:9.656
And I prepare Tails for memory erasure tests 0.531
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.131
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.216

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.549
After features/support/hooks.rb:100 0.015