Project Number Date
test_Tails_ISO_devel 3319 13 Mar 2024, 12:43

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 10:23.825 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.
18.803
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.293
And I prepare Tails for memory erasure tests 0.494
When I start a process allocating 128 MiB of memory with a known pattern 1.409
Then patterns cover at least 128 MiB in the guest's memory 4.107

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

When I kill the allocating process 0.665
Then I find very few patterns in the guest's memory 3.832

Pattern coverage: 0.000% (0 MiB out of 937 MiB reference memory)

After features/support/hooks.rb:291 0.756
After features/support/hooks.rb:75 0.000
28.125
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.387
And I prepare Tails for memory erasure tests 0.371
And I find very few patterns in the guest's memory 4.110

Pattern coverage: 0.000% (0 MiB out of 948 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.571
Then patterns cover at least 99% of the test FS size in the guest's memory 4.124

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

When I umount "/mnt" 0.818
Then I find very few patterns in the guest's memory 7.740

Pattern coverage: 0.000% (0 MiB out of 948 MiB reference memory)

After features/support/hooks.rb:291 1.201
After features/support/hooks.rb:75 0.000
51.630
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.911
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.176
Then I find very few patterns in the guest's memory 7.747

Pattern coverage: 0.000% (0 MiB out of 936 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.424
Then patterns cover at least 86% of the test FS size in the guest's memory 5.107

Pattern coverage: 95.984% (122 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.251
Then I find very few patterns in the guest's memory 5.796

Pattern coverage: 0.000% (0 MiB out of 936 MiB reference memory)

# read cache
When I mount the USB drive again 0.260
And I read the content of the test FS 0.629
Then patterns cover at least 99% of the test FS size in the guest's memory 3.882

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory 4.507

Pattern coverage: 0.000% (0 MiB out of 936 MiB reference memory)

After features/support/hooks.rb:291 0.740
After features/support/hooks.rb:75 0.000
1:5.843
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.269
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.317
Then I find very few patterns in the guest's memory 3.649

Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.598
Then patterns cover at least 99% of the test FS size in the guest's memory 3.240

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

When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory 3.534

Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)

# read cache
When I mount the USB drive again 5.471
And I read the content of the test FS 0.350
Then patterns cover at least 99% of the test FS size in the guest's memory 3.317

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

When I umount the USB drive 1.979
Then I find very few patterns in the guest's memory 5.014

Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)

After features/support/hooks.rb:291 1.098
After features/support/hooks.rb:75 0.000
49.488
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.226
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the root filesystem 14.067
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.331
Then patterns cover at least 128 MiB in the guest's memory 3.560

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

When I trigger shutdown 0.017
And I wait 20 seconds 20.012

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.830

Pattern coverage: 0.000% (0 MiB out of 932 MiB reference memory)

After features/support/hooks.rb:291 3.515
After features/support/hooks.rb:75 0.000
6:49.934
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:3.826
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.482
When I trigger shutdown 0.014
And I wait 20 seconds 20.019

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.124

Pattern coverage: 0.000% (0 MiB out of 943 MiB reference memory)

After features/support/hooks.rb:291 3.516
After features/support/hooks.rb:75 0.010