Project Number Date
test_Tails_ISO_devel 3514 12 Sep 2024, 12:52

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 11:47.061 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.
25.755
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.602
And I prepare Tails for memory erasure tests 0.640
When I start a process allocating 128 MiB of memory with a known pattern 5.462
Then patterns cover at least 128 MiB in the guest's memory 3.965

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

When I kill the allocating process 1.170
Then I find very few patterns in the guest's memory after 3 seconds 5.913

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

After features/support/hooks.rb:326 0.863
After features/support/hooks.rb:100 0.000
26.293
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.234
And I prepare Tails for memory erasure tests 0.658
And I find very few patterns in the guest's memory 3.061

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.919
Then patterns cover at least 99% of the test FS size in the guest's memory 3.809

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

When I umount "/mnt" 1.067
Then I find very few patterns in the guest's memory after 3 seconds 6.541

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 1.008
After features/support/hooks.rb:100 0.000
51.520
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.327
And I prepare Tails for memory erasure tests 0.657
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.187
Then I find very few patterns in the guest's memory 3.598

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.045
Then patterns cover at least 75% of the test FS size in the guest's memory 3.289

Pattern coverage: 89.696% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 3.220
Then I find very few patterns in the guest's memory after 3 seconds 6.484

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 0.355
And I read the content of the test FS 0.744
Then patterns cover at least 99% of the test FS size in the guest's memory 3.301

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

When I umount the USB drive 0.789
Then I find very few patterns in the guest's memory after 3 seconds 6.519

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.906
After features/support/hooks.rb:100 0.000
1:20.327
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.541
And I prepare Tails for memory erasure tests 0.581
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.497
Then I find very few patterns in the guest's memory 2.966

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.341
Then patterns cover at least 99% of the test FS size in the guest's memory 3.265

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

When I umount the USB drive 3.206
Then I find very few patterns in the guest's memory after 3 seconds 5.864

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 5.819
And I read the content of the test FS 0.769
Then patterns cover at least 99% of the test FS size in the guest's memory 3.664

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

When I umount the USB drive 1.134
Then I find very few patterns in the guest's memory after 3 seconds 5.675

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 1.090
After features/support/hooks.rb:100 0.000
49.505
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.442
And I prepare Tails for memory erasure tests 0.620
When I fill a 128 MiB file with a known pattern on the root filesystem 13.484
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.276
Then patterns cover at least 128 MiB in the guest's memory 2.772

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 20.895

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
7:53.659
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 7:6.033
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.066
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.123

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:326 3.494
After features/support/hooks.rb:100 0.016