Project Number Date
test_Tails_ISO_devel 3208 23 Dec 2023, 12:24

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 14:24.603 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.
17.824
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.509
And I prepare Tails for memory erasure tests 0.682
When I start a process allocating 128 MiB of memory with a known pattern 1.252
Then patterns cover at least 128 MiB in the guest's memory 3.268

Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.300
Then I find very few patterns in the guest's memory 3.810

Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)

After features/support/hooks.rb:291 0.767
After features/support/hooks.rb:75 0.000
1:0.763
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.555
And I prepare Tails for memory erasure tests 0.691
And I find very few patterns in the guest's memory 3.776

Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 37.994
Then patterns cover at least 99% of the test FS size in the guest's memory 3.244

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

When I umount "/mnt" 1.640
Then I find very few patterns in the guest's memory 4.860

Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)

After features/support/hooks.rb:291 0.805
After features/support/hooks.rb:75 0.000
3:33.533
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 10.493
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.439
Then I find very few patterns in the guest's memory 3.710

Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2:55.602
Then patterns cover at least 86% of the test FS size in the guest's memory 3.046

Pattern coverage: 97.068% (120 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory 3.490

Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)

# read cache
When I mount the USB drive again 0.234
And I read the content of the test FS 0.538
Then patterns cover at least 99% of the test FS size in the guest's memory 2.931

Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory 3.717

Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)

After features/support/hooks.rb:291 0.957
After features/support/hooks.rb:75 0.000
2:48.344
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.819
And I prepare Tails for memory erasure tests 0.608
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.221
Then I find very few patterns in the guest's memory 3.344

Pattern coverage: 0.000% (0 MiB out of 1169 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1:44.027
Then patterns cover at least 99% of the test FS size in the guest's memory 3.301

Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)

When I umount the USB drive 0.713
Then I find very few patterns in the guest's memory 3.825

Pattern coverage: 0.000% (0 MiB out of 1169 MiB reference memory)

# read cache
When I mount the USB drive again 3.455
And I read the content of the test FS 0.585
Then patterns cover at least 99% of the test FS size in the guest's memory 2.900

Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)

When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory 4.071

Pattern coverage: 0.000% (0 MiB out of 1169 MiB reference memory)

After features/support/hooks.rb:291 1.238
After features/support/hooks.rb:75 0.000
52.300
Before features/support/hooks.rb:245 0.008
Given I have started Tails from DVD without network and logged in 8.531
And I prepare Tails for memory erasure tests 0.681
When I fill a 128 MiB file with a known pattern on the root filesystem 16.499
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.253
Then patterns cover at least 128 MiB in the guest's memory 3.032

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

When I trigger shutdown 0.516
And I wait 20 seconds 20.013

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.772

Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)

After features/support/hooks.rb:291 3.421
After features/support/hooks.rb:75 0.000
5:51.835
Before features/support/hooks.rb:245 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:9.018
And I prepare Tails for memory erasure tests 0.470
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.809
When I trigger shutdown 0.347
And I wait 20 seconds 20.017

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.171

Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)

After features/support/hooks.rb:291 3.465
After features/support/hooks.rb:75 0.012