Project Number Date
test_Tails_ISO_devel 3556 21 Oct 2024, 13:07

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 11:4.855 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.
21.415
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.897
And I prepare Tails for memory erasure tests 0.502
When I start a process allocating 128 MiB of memory with a known pattern 1.350
Then patterns cover at least 128 MiB in the guest's memory 3.870

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

When I kill the allocating process 1.416
Then I find very few patterns in the guest's memory after 3 seconds 6.378

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

After features/support/hooks.rb:326 0.810
After features/support/hooks.rb:100 0.000
24.874
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.469
And I prepare Tails for memory erasure tests 0.499
And I find very few patterns in the guest's memory 3.068

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.021
Then patterns cover at least 99% of the test FS size in the guest's memory 4.099

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

When I umount "/mnt" 0.631
Then I find very few patterns in the guest's memory after 3 seconds 6.083

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

After features/support/hooks.rb:326 1.283
After features/support/hooks.rb:100 0.000
47.977
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 7.978
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.074
Then I find very few patterns in the guest's memory 3.370

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

# write cache
When I fill the USB drive with a known pattern 2.489
Then patterns cover at least 75% of the test FS size in the guest's memory 3.857

Pattern coverage: 85.263% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.396
Then I find very few patterns in the guest's memory after 3 seconds 6.472

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

# read cache
When I mount the USB drive again 0.255
And I read the content of the test FS 0.616
Then patterns cover at least 99% of the test FS size in the guest's memory 3.835

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

When I umount the USB drive 0.729
Then I find very few patterns in the guest's memory after 3 seconds 6.455

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

After features/support/hooks.rb:326 1.138
After features/support/hooks.rb:100 0.000
1:18.459
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.564
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.760
Then I find very few patterns in the guest's memory 2.784

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.733
Then patterns cover at least 99% of the test FS size in the guest's memory 3.250

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

When I umount the USB drive 1.693
Then I find very few patterns in the guest's memory after 3 seconds 5.452

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

# read cache
When I mount the USB drive again 5.179
And I read the content of the test FS 0.421
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 0.743
Then I find very few patterns in the guest's memory after 3 seconds 5.595

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 1.134
After features/support/hooks.rb:100 0.000
52.053
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.096
And I prepare Tails for memory erasure tests 0.467
When I fill a 128 MiB file with a known pattern on the root filesystem 17.751
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.940
Then patterns cover at least 128 MiB in the guest's memory 2.848

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 20.934

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

After features/support/hooks.rb:326 3.481
After features/support/hooks.rb:100 0.000
7:20.076
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 6:36.358
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.993
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.325

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

After features/support/hooks.rb:326 3.603
After features/support/hooks.rb:100 0.012