Project Number Date
test_Tails_ISO_devel 3455 11 Jul 2024, 13:03

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 11:51.519 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.
21.882
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.519
And I prepare Tails for memory erasure tests 0.589
When I start a process allocating 128 MiB of memory with a known pattern 2.418
Then patterns cover at least 128 MiB in the guest's memory 4.097

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

When I kill the allocating process 1.957
Then I find very few patterns in the guest's memory 4.298

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

After features/support/hooks.rb:326 1.066
After features/support/hooks.rb:100 0.000
26.011
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.568
And I prepare Tails for memory erasure tests 0.607
And I find very few patterns in the guest's memory 4.077

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.206
Then patterns cover at least 99% of the test FS size in the guest's memory 3.179

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

When I umount "/mnt" 1.408
Then I find very few patterns in the guest's memory 3.961

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

After features/support/hooks.rb:326 0.995
After features/support/hooks.rb:100 0.000
46.188
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.368
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.134
Then I find very few patterns in the guest's memory 4.443

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.924
Then patterns cover at least 86% of the test FS size in the guest's memory 3.686

Pattern coverage: 88.897% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.866
Then I find very few patterns in the guest's memory 4.551

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 0.259
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 4.067

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

When I umount the USB drive 1.030
Then I find very few patterns in the guest's memory 3.766

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 1.099
After features/support/hooks.rb:100 0.000
1:15.200
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.421
And I prepare Tails for memory erasure tests 0.536
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.039
Then I find very few patterns in the guest's memory 3.631

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.257
Then patterns cover at least 99% of the test FS size in the guest's memory 2.935

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

When I umount the USB drive 1.087
Then I find very few patterns in the guest's memory 3.967

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 6.999
And I read the content of the test FS 0.544
Then patterns cover at least 99% of the test FS size in the guest's memory 3.748

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.879
Then I find very few patterns in the guest's memory 4.151

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 0.903
After features/support/hooks.rb:100 0.000
53.478
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.616
And I prepare Tails for memory erasure tests 0.498
When I fill a 128 MiB file with a known pattern on the root filesystem 16.077
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.028
Then patterns cover at least 128 MiB in the guest's memory 3.251

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

When I trigger shutdown 0.014
And I wait 20 seconds 20.015

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.977

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.000
8:8.757
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 7:24.908
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.996
When I trigger shutdown 0.011
And I wait 20 seconds 20.015

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.437

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

After features/support/hooks.rb:326 3.572
After features/support/hooks.rb:100 0.010