Project Number Date
test_Tails_ISO_15451-support-manual-fsck-on-error 34 22 Aug 2024, 19:07

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 12:48.689 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.
24.345
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.452
And I prepare Tails for memory erasure tests 0.496
When I start a process allocating 128 MiB of memory with a known pattern 2.349
Then patterns cover at least 128 MiB in the guest's memory 4.598

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

When I kill the allocating process 1.573
Then I find very few patterns in the guest's memory after 3 seconds 6.874

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 1.764
After features/support/hooks.rb:100 0.000
30.507
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.762
And I prepare Tails for memory erasure tests 0.512
And I find very few patterns in the guest's memory 3.961

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.601
Then patterns cover at least 99% of the test FS size in the guest's memory 4.368

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

When I umount "/mnt" 2.120
Then I find very few patterns in the guest's memory after 3 seconds 7.179

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 2.852
After features/support/hooks.rb:100 0.000
56.338
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.642
And I prepare Tails for memory erasure tests 0.642
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.422
Then I find very few patterns in the guest's memory 4.050

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.014
Then patterns cover at least 75% of the test FS size in the guest's memory 4.024

Pattern coverage: 92.901% (118 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.833
Then I find very few patterns in the guest's memory after 3 seconds 7.461

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 0.402
And I read the content of the test FS 2.906
Then patterns cover at least 99% of the test FS size in the guest's memory 4.328

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

When I umount the USB drive 0.981
Then I find very few patterns in the guest's memory after 3 seconds 6.628

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 1.448
After features/support/hooks.rb:100 0.000
1:25.653
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.525
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.479
Then I find very few patterns in the guest's memory 3.304

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.904
Then patterns cover at least 99% of the test FS size in the guest's memory 3.823

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

When I umount the USB drive 1.032
Then I find very few patterns in the guest's memory after 3 seconds 6.380

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# read cache
When I mount the USB drive again 9.024
And I read the content of the test FS 1.018
Then patterns cover at least 99% of the test FS size in the guest's memory 3.771

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

When I umount the USB drive 0.682
Then I find very few patterns in the guest's memory after 3 seconds 6.205

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 0.954
After features/support/hooks.rb:100 0.000
55.140
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.672
And I prepare Tails for memory erasure tests 0.676
When I fill a 128 MiB file with a known pattern on the root filesystem 18.719
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.738
Then patterns cover at least 128 MiB in the guest's memory 3.412

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 20.906

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 3.585
After features/support/hooks.rb:100 0.000
8:36.704
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:48.431
And I prepare Tails for memory erasure tests 0.561
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.387
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.305

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

After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.010