Project Number Date
test_Tails_ISO_devel 3531 04 Oct 2024, 12:32

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 10:48.303 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.
21.902
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.859
And I prepare Tails for memory erasure tests 0.446
When I start a process allocating 128 MiB of memory with a known pattern 2.373
Then patterns cover at least 128 MiB in the guest's memory 3.948

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

When I kill the allocating process 0.292
Then I find very few patterns in the guest's memory after 3 seconds 6.981

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

After features/support/hooks.rb:326 1.224
After features/support/hooks.rb:100 0.000
37.390
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 20.660
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 3.412

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.174
Then patterns cover at least 99% of the test FS size in the guest's memory 3.710

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

When I umount "/mnt" 0.786
Then I find very few patterns in the guest's memory after 3 seconds 6.233

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 1.212
After features/support/hooks.rb:100 0.000
47.882
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.817
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.198
Then I find very few patterns in the guest's memory 3.127

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.134
Then patterns cover at least 75% of the test FS size in the guest's memory 3.638

Pattern coverage: 91.312% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.800
Then I find very few patterns in the guest's memory after 3 seconds 6.182

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# read cache
When I mount the USB drive again 0.447
And I read the content of the test FS 0.478
Then patterns cover at least 99% of the test FS size in the guest's memory 3.642

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

When I umount the USB drive 0.818
Then I find very few patterns in the guest's memory after 3 seconds 6.216

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 1.307
After features/support/hooks.rb:100 0.000
1:11.585
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.895
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.230
Then I find very few patterns in the guest's memory 2.760

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.013
Then patterns cover at least 99% of the test FS size in the guest's memory 2.913

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

When I umount the USB drive 1.228
Then I find very few patterns in the guest's memory after 3 seconds 5.510

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# read cache
When I mount the USB drive again 5.052
And I read the content of the test FS 0.413
Then patterns cover at least 99% of the test FS size in the guest's memory 2.993

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

When I umount the USB drive 0.809
Then I find very few patterns in the guest's memory after 3 seconds 5.384

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 0.878
After features/support/hooks.rb:100 0.000
48.285
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.060
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the root filesystem 14.376
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.925
Then patterns cover at least 128 MiB in the guest's memory 2.656

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

When I trigger shutdown 0.046
Then I find very few patterns in the guest's memory after 20 seconds 20.781

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:326 3.497
After features/support/hooks.rb:100 0.000
7:1.256
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 6:18.594
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.101
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.147

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 3.557
After features/support/hooks.rb:100 0.011