Project Number Date
test_Tails_ISO_20634-greeter-tps-upgrade-failure-fix 14 02 Nov 2024, 17:58

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 10:51.918 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.
25.244
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.103
And I prepare Tails for memory erasure tests 0.407
When I start a process allocating 128 MiB of memory with a known pattern 2.282
Then patterns cover at least 128 MiB in the guest's memory 3.628

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

When I kill the allocating process 1.733
Then I find very few patterns in the guest's memory after 3 seconds 7.089

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 0.719
After features/support/hooks.rb:100 0.000
27.568
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.946
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 4.161

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.237
Then patterns cover at least 99% of the test FS size in the guest's memory 4.652

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

When I umount "/mnt" 1.164
Then I find very few patterns in the guest's memory after 3 seconds 6.989

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 0.842
After features/support/hooks.rb:100 0.000
50.219
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.813
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.171
Then I find very few patterns in the guest's memory 3.302

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.609
Then patterns cover at least 75% of the test FS size in the guest's memory 5.166

Pattern coverage: 87.666% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.554
Then I find very few patterns in the guest's memory after 3 seconds 7.013

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# read cache
When I mount the USB drive again 0.343
And I read the content of the test FS 0.723
Then patterns cover at least 99% of the test FS size in the guest's memory 3.741

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

When I umount the USB drive 0.685
Then I find very few patterns in the guest's memory after 3 seconds 7.724

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 1.159
After features/support/hooks.rb:100 0.000
1:15.620
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.030
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.193
Then I find very few patterns in the guest's memory 2.426

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.700
Then patterns cover at least 99% of the test FS size in the guest's memory 2.765

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

When I umount the USB drive 0.942
Then I find very few patterns in the guest's memory after 3 seconds 5.273

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

# read cache
When I mount the USB drive again 5.265
And I read the content of the test FS 0.406
Then patterns cover at least 99% of the test FS size in the guest's memory 2.743

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

When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory after 3 seconds 5.613

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 0.837
After features/support/hooks.rb:100 0.000
49.704
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.781
And I prepare Tails for memory erasure tests 0.379
When I fill a 128 MiB file with a known pattern on the root filesystem 16.480
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.092
Then patterns cover at least 128 MiB in the guest's memory 2.237

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 20.718

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.471
After features/support/hooks.rb:100 0.000
7:3.561
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 6:21.350
And I prepare Tails for memory erasure tests 0.353
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.725
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.116

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 3.485
After features/support/hooks.rb:100 0.010