Project Number Date
test_Tails_ISO_devel 3239 16 Jan 2024, 19:30

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 14:0.672 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.
19.917
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.506
And I prepare Tails for memory erasure tests 0.603
When I start a process allocating 128 MiB of memory with a known pattern 2.356
Then patterns cover at least 128 MiB in the guest's memory 3.416

Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.281
Then I find very few patterns in the guest's memory 3.753

Pattern coverage: 0.000% (0 MiB out of 1214 MiB reference memory)

After features/support/hooks.rb:291 0.676
After features/support/hooks.rb:75 0.000
1:2.806
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.530
And I prepare Tails for memory erasure tests 0.615
And I find very few patterns in the guest's memory 4.012

Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 40.582
Then patterns cover at least 99% of the test FS size in the guest's memory 4.415

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

When I umount "/mnt" 0.345
Then I find very few patterns in the guest's memory 4.304

Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)

After features/support/hooks.rb:291 0.747
After features/support/hooks.rb:75 0.000
3:2.816
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.486
And I prepare Tails for memory erasure tests 0.563
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.951
Then I find very few patterns in the guest's memory 4.472

Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2:25.028
Then patterns cover at least 86% of the test FS size in the guest's memory 3.166

Pattern coverage: 95.754% (119 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.581
Then I find very few patterns in the guest's memory 3.848

Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)

# read cache
When I mount the USB drive again 0.267
And I read the content of the test FS 0.765
Then patterns cover at least 99% of the test FS size in the guest's memory 3.859

Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.375
Then I find very few patterns in the guest's memory 4.451

Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)

After features/support/hooks.rb:291 0.844
After features/support/hooks.rb:75 0.000
2:40.137
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.465
And I prepare Tails for memory erasure tests 0.587
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.703
Then I find very few patterns in the guest's memory 3.529

Pattern coverage: 0.000% (0 MiB out of 1218 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1:45.854
Then patterns cover at least 99% of the test FS size in the guest's memory 2.884

Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)

When I umount the USB drive 0.837
Then I find very few patterns in the guest's memory 3.405

Pattern coverage: 0.000% (0 MiB out of 1218 MiB reference memory)

# read cache
When I mount the USB drive again 3.491
And I read the content of the test FS 0.604
Then patterns cover at least 99% of the test FS size in the guest's memory 2.770

Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)

When I umount the USB drive 0.532
Then I find very few patterns in the guest's memory 3.472

Pattern coverage: 0.000% (0 MiB out of 1218 MiB reference memory)

After features/support/hooks.rb:291 1.195
After features/support/hooks.rb:75 0.003
57.788
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.451
And I prepare Tails for memory erasure tests 0.603
When I fill a 128 MiB file with a known pattern on the root filesystem 15.711
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.152
Then patterns cover at least 128 MiB in the guest's memory 2.393

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

When I trigger shutdown 0.563
And I wait 20 seconds 20.002

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.909

Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)

After features/support/hooks.rb:291 3.497
After features/support/hooks.rb:75 0.000
5:57.205
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:12.863
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.090
When I trigger shutdown 0.416
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.324

Pattern coverage: 0.000% (0 MiB out of 1186 MiB reference memory)

After features/support/hooks.rb:291 3.539
After features/support/hooks.rb:75 0.014