Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 17 13 Dec 2024, 00:48

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 12:40.160 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.
23.761
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.746
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 2.503
Then patterns cover at least 128 MiB in the guest's memory 4.094

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

When I kill the allocating process 0.361
Then I find very few patterns in the guest's memory after 3 seconds 7.615

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

After features/support/hooks.rb:326 1.210
After features/support/hooks.rb:100 0.000
31.943
Before features/support/hooks.rb:269 0.014
Given I have started Tails from DVD without network and logged in 10.854
And I prepare Tails for memory erasure tests 0.468
And I find very few patterns in the guest's memory 5.135

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.311
Then patterns cover at least 99% of the test FS size in the guest's memory 4.269

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

When I umount "/mnt" 0.674
Then I find very few patterns in the guest's memory after 3 seconds 8.228

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

After features/support/hooks.rb:326 0.833
After features/support/hooks.rb:100 0.000
56.664
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.456
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.193
Then I find very few patterns in the guest's memory 4.072

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

# write cache
When I fill the USB drive with a known pattern 2.828
Then patterns cover at least 75% of the test FS size in the guest's memory 4.470

Pattern coverage: 85.272% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.231
Then I find very few patterns in the guest's memory after 3 seconds 7.124

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

# read cache
When I mount the USB drive again 0.279
And I read the content of the test FS 2.214
Then patterns cover at least 99% of the test FS size in the guest's memory 4.804

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

When I umount the USB drive 0.616
Then I find very few patterns in the guest's memory after 3 seconds 6.873

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

After features/support/hooks.rb:326 2.270
After features/support/hooks.rb:100 0.000
1:22.363
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.407
And I prepare Tails for memory erasure tests 0.552
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.619
Then I find very few patterns in the guest's memory 2.934

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

# write cache
When I fill the USB drive with a known pattern 2.201
Then patterns cover at least 99% of the test FS size in the guest's memory 3.233

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

When I umount the USB drive 1.208
Then I find very few patterns in the guest's memory after 3 seconds 6.061

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

# read cache
When I mount the USB drive again 6.394
And I read the content of the test FS 1.518
Then patterns cover at least 99% of the test FS size in the guest's memory 3.547

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

When I umount the USB drive 1.548
Then I find very few patterns in the guest's memory after 3 seconds 6.136

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

After features/support/hooks.rb:326 1.376
After features/support/hooks.rb:100 0.000
52.749
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.106
And I prepare Tails for memory erasure tests 0.572
When I fill a 128 MiB file with a known pattern on the root filesystem 16.681
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.069
Then patterns cover at least 128 MiB in the guest's memory 3.341

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

When I trigger shutdown 0.047
Then I find very few patterns in the guest's memory after 20 seconds 20.931

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

After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.000
8:32.676
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 7:48.863
And I prepare Tails for memory erasure tests 0.475
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.156
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.167

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 3.617
After features/support/hooks.rb:100 0.012