Project Number Date
test_Tails_ISO_20666-whisperback-search 11 21 Nov 2024, 00:27

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 11:57.491 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.
25.522
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.110
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 4.093
Then patterns cover at least 128 MiB in the guest's memory 3.808

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

When I kill the allocating process 2.048
Then I find very few patterns in the guest's memory after 3 seconds 7.042

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:326 0.908
After features/support/hooks.rb:100 0.000
41.340
Before features/support/hooks.rb:269 0.008
Given I have started Tails from DVD without network and logged in 22.120
And I prepare Tails for memory erasure tests 0.426
And I find very few patterns in the guest's memory 4.919

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.298
Then patterns cover at least 99% of the test FS size in the guest's memory 3.878

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

When I umount "/mnt" 0.862
Then I find very few patterns in the guest's memory after 3 seconds 6.834

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 0.900
After features/support/hooks.rb:100 0.000
52.936
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.230
And I prepare Tails for memory erasure tests 0.964
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.642
Then I find very few patterns in the guest's memory 3.934

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.523
Then patterns cover at least 75% of the test FS size in the guest's memory 4.177

Pattern coverage: 89.748% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.528
Then I find very few patterns in the guest's memory after 3 seconds 6.703

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 0.316
And I read the content of the test FS 0.749
Then patterns cover at least 99% of the test FS size in the guest's memory 4.063

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

When I umount the USB drive 0.542
Then I find very few patterns in the guest's memory after 3 seconds 6.559

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 0.853
After features/support/hooks.rb:100 0.000
1:19.879
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.171
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.438
Then I find very few patterns in the guest's memory 3.205

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

# write cache
When I fill the USB drive with a known pattern 2.725
Then patterns cover at least 99% of the test FS size in the guest's memory 3.486

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

When I umount the USB drive 1.641
Then I find very few patterns in the guest's memory after 3 seconds 6.259

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

# read cache
When I mount the USB drive again 6.028
And I read the content of the test FS 1.033
Then patterns cover at least 99% of the test FS size in the guest's memory 3.922

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.150
Then I find very few patterns in the guest's memory after 3 seconds 6.422

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

After features/support/hooks.rb:326 1.196
After features/support/hooks.rb:100 0.000
54.619
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 9.414
And I prepare Tails for memory erasure tests 0.510
When I fill a 128 MiB file with a known pattern on the root filesystem 18.659
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.934
Then patterns cover at least 128 MiB in the guest's memory 3.170

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

When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.911

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

After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.000
7:43.193
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 6:58.580
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.808
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.344

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 3.550
After features/support/hooks.rb:100 0.015