Project Number Date
test_Tails_ISO_19139-arti-bridges 20 03 Dec 2024, 22:01

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 11:41.097 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.
27.230
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.198
And I prepare Tails for memory erasure tests 0.496
When I start a process allocating 128 MiB of memory with a known pattern 3.840
Then patterns cover at least 128 MiB in the guest's memory 3.680

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

When I kill the allocating process 4.928
Then I find very few patterns in the guest's memory after 3 seconds 6.086

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 1.639
After features/support/hooks.rb:100 0.000
27.639
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.339
And I prepare Tails for memory erasure tests 0.707
And I find very few patterns in the guest's memory 3.049

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.449
Then patterns cover at least 99% of the test FS size in the guest's memory 3.152

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

When I umount "/mnt" 3.077
Then I find very few patterns in the guest's memory after 3 seconds 5.863

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 1.270
After features/support/hooks.rb:100 0.000
51.009
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.171
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.147
Then I find very few patterns in the guest's memory 2.685

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

# write cache
When I fill the USB drive with a known pattern 5.065
Then patterns cover at least 75% of the test FS size in the guest's memory 6.330

Pattern coverage: 91.330% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.878
Then I find very few patterns in the guest's memory after 3 seconds 5.782

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

# read cache
When I mount the USB drive again 0.355
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 2.964

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

When I umount the USB drive 0.900
Then I find very few patterns in the guest's memory after 3 seconds 5.813

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

After features/support/hooks.rb:326 1.597
After features/support/hooks.rb:100 0.000
1:24.129
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.758
Then I find very few patterns in the guest's memory 3.188

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.551
Then patterns cover at least 99% of the test FS size in the guest's memory 2.728

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

When I umount the USB drive 9.325
Then I find very few patterns in the guest's memory after 3 seconds 6.445

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# read cache
When I mount the USB drive again 6.409
And I read the content of the test FS 0.521
Then patterns cover at least 99% of the test FS size in the guest's memory 2.867

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

When I umount the USB drive 1.363
Then I find very few patterns in the guest's memory after 3 seconds 5.491

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 0.960
After features/support/hooks.rb:100 0.000
48.676
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.249
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the root filesystem 14.577
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.015
Then patterns cover at least 128 MiB in the guest's memory 2.585

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

When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.787

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

After features/support/hooks.rb:326 3.644
After features/support/hooks.rb:100 0.000
7:42.411
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 6:56.341
And I prepare Tails for memory erasure tests 0.523
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.317
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.212

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 0.013