Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 24 21 Nov 2024, 12:01

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 11:31.797 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.
21.764
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.790
And I prepare Tails for memory erasure tests 0.413
When I start a process allocating 128 MiB of memory with a known pattern 2.456
Then patterns cover at least 128 MiB in the guest's memory 3.607

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

When I kill the allocating process 0.299
Then I find very few patterns in the guest's memory after 3 seconds 6.197

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

After features/support/hooks.rb:326 0.802
After features/support/hooks.rb:100 0.000
25.179
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.135
And I prepare Tails for memory erasure tests 0.478
And I find very few patterns in the guest's memory 3.387

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.509
Then patterns cover at least 99% of the test FS size in the guest's memory 3.432

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

When I umount "/mnt" 1.139
Then I find very few patterns in the guest's memory after 3 seconds 6.097

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

After features/support/hooks.rb:326 0.841
After features/support/hooks.rb:100 0.000
47.595
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.211
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.114
Then I find very few patterns in the guest's memory 3.146

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.717
Then patterns cover at least 75% of the test FS size in the guest's memory 3.786

Pattern coverage: 87.491% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.655
Then I find very few patterns in the guest's memory after 3 seconds 6.247

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 0.257
And I read the content of the test FS 0.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.617

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

When I umount the USB drive 0.650
Then I find very few patterns in the guest's memory after 3 seconds 6.174

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
1:17.193
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.169
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.205
Then I find very few patterns in the guest's memory 2.779

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.146
Then patterns cover at least 99% of the test FS size in the guest's memory 3.157

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

When I umount the USB drive 0.896
Then I find very few patterns in the guest's memory after 3 seconds 6.294

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

# read cache
When I mount the USB drive again 5.699
And I read the content of the test FS 0.502
Then patterns cover at least 99% of the test FS size in the guest's memory 3.078

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

When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 6.159

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

After features/support/hooks.rb:326 0.858
After features/support/hooks.rb:100 0.000
54.238
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.143
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 19.319
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.843
Then patterns cover at least 128 MiB in the guest's memory 2.664

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.797

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.000
7:45.826
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 6:54.996
And I prepare Tails for memory erasure tests 0.780
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.461
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.575

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.013