Project Number Date
test_Tails_ISO_20666-whisperback-search 14 21 Nov 2024, 17:02

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 11:21.344 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.
22.823
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.221
And I prepare Tails for memory erasure tests 0.574
When I start a process allocating 128 MiB of memory with a known pattern 2.378
Then patterns cover at least 128 MiB in the guest's memory 4.228

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

When I kill the allocating process 1.116
Then I find very few patterns in the guest's memory after 3 seconds 6.303

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

After features/support/hooks.rb:326 0.855
After features/support/hooks.rb:100 0.000
24.914
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.221
And I prepare Tails for memory erasure tests 0.576
And I find very few patterns in the guest's memory 3.185

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.496
Then patterns cover at least 99% of the test FS size in the guest's memory 3.581

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

When I umount "/mnt" 0.601
Then I find very few patterns in the guest's memory after 3 seconds 6.250

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 0.778
After features/support/hooks.rb:100 0.000
48.738
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.176
And I prepare Tails for memory erasure tests 0.613
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.152
Then I find very few patterns in the guest's memory 3.296

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.955
Then patterns cover at least 75% of the test FS size in the guest's memory 3.719

Pattern coverage: 86.873% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.590
Then I find very few patterns in the guest's memory after 3 seconds 6.310

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 0.732
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 3.674

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

When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory after 3 seconds 6.244

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 1.081
After features/support/hooks.rb:100 0.000
1:15.025
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.233
And I prepare Tails for memory erasure tests 0.521
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.810
Then I find very few patterns in the guest's memory 2.490

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.895
Then patterns cover at least 99% of the test FS size in the guest's memory 3.383

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

When I umount the USB drive 0.931
Then I find very few patterns in the guest's memory after 3 seconds 5.739

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# read cache
When I mount the USB drive again 5.108
And I read the content of the test FS 0.410
Then patterns cover at least 99% of the test FS size in the guest's memory 3.033

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

When I umount the USB drive 0.729
Then I find very few patterns in the guest's memory after 3 seconds 5.738

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 0.846
After features/support/hooks.rb:100 0.000
48.067
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.980
And I prepare Tails for memory erasure tests 0.589
When I fill a 128 MiB file with a known pattern on the root filesystem 14.266
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.662
Then patterns cover at least 128 MiB in the guest's memory 2.761

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 20.795

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.000
7:41.775
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 6:57.756
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.270
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.300

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

After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.012