Project Number Date
test_Tails_ISO_20634-greeter-tps-upgrade-failure-fix 33 21 Nov 2024, 18:32

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 11:33.297 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.
23.577
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.407
And I prepare Tails for memory erasure tests 0.528
When I start a process allocating 128 MiB of memory with a known pattern 2.400
Then patterns cover at least 128 MiB in the guest's memory 4.288

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

When I kill the allocating process 1.628
Then I find very few patterns in the guest's memory after 3 seconds 6.324

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

After features/support/hooks.rb:326 0.762
After features/support/hooks.rb:100 0.000
25.215
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.485
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 3.294

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.508
Then patterns cover at least 99% of the test FS size in the guest's memory 3.416

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

When I umount "/mnt" 0.837
Then I find very few patterns in the guest's memory after 3 seconds 6.261

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

After features/support/hooks.rb:326 1.697
After features/support/hooks.rb:100 0.000
51.413
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.640
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.100
Then I find very few patterns in the guest's memory 3.589

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

# write cache
When I fill the USB drive with a known pattern 3.560
Then patterns cover at least 75% of the test FS size in the guest's memory 3.789

Pattern coverage: 89.634% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.387
Then I find very few patterns in the guest's memory after 3 seconds 6.527

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

# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 1.138
Then patterns cover at least 99% of the test FS size in the guest's memory 3.711

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

When I umount the USB drive 1.196
Then I find very few patterns in the guest's memory after 3 seconds 6.023

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

After features/support/hooks.rb:326 1.412
After features/support/hooks.rb:100 0.000
1:23.024
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.964
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.009
Then I find very few patterns in the guest's memory 2.827

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

# write cache
When I fill the USB drive with a known pattern 2.086
Then patterns cover at least 99% of the test FS size in the guest's memory 3.110

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

When I umount the USB drive 1.209
Then I find very few patterns in the guest's memory after 3 seconds 5.926

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

# read cache
When I mount the USB drive again 6.859
And I read the content of the test FS 0.498
Then patterns cover at least 99% of the test FS size in the guest's memory 2.948

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

When I umount the USB drive 0.889
Then I find very few patterns in the guest's memory after 3 seconds 6.246

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

After features/support/hooks.rb:326 0.896
After features/support/hooks.rb:100 0.000
51.767
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.210
And I prepare Tails for memory erasure tests 0.522
When I fill a 128 MiB file with a known pattern on the root filesystem 17.455
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.967
Then patterns cover at least 128 MiB in the guest's memory 2.712

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 20.884

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 3.486
After features/support/hooks.rb:100 0.000
7:38.298
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 6:53.898
And I prepare Tails for memory erasure tests 1.215
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.902
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.261

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

After features/support/hooks.rb:326 3.497
After features/support/hooks.rb:100 0.014