Project Number Date
test_Tails_ISO_devel 3227 09 Jan 2024, 12:27

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 14:5.548 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.
17.358
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.835
And I prepare Tails for memory erasure tests 0.709
When I start a process allocating 128 MiB of memory with a known pattern 1.283
Then patterns cover at least 128 MiB in the guest's memory 3.395

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

When I kill the allocating process 0.271
Then I find very few patterns in the guest's memory 3.862

Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)

After features/support/hooks.rb:291 0.856
After features/support/hooks.rb:75 0.000
58.860
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.557
And I prepare Tails for memory erasure tests 0.536
And I find very few patterns in the guest's memory 3.750

Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 38.824
Then patterns cover at least 99% of the test FS size in the guest's memory 3.269

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

When I umount "/mnt" 0.238
Then I find very few patterns in the guest's memory 3.684

Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)

After features/support/hooks.rb:291 1.201
After features/support/hooks.rb:75 0.000
3:20.041
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.323
And I prepare Tails for memory erasure tests 0.640
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.933
Then I find very few patterns in the guest's memory 4.771

Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2:42.523
Then patterns cover at least 86% of the test FS size in the guest's memory 2.917

Pattern coverage: 97.011% (120 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory 3.649

Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)

# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 0.664
Then patterns cover at least 99% of the test FS size in the guest's memory 3.174

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

When I umount the USB drive 0.256
Then I find very few patterns in the guest's memory 4.476

Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)

After features/support/hooks.rb:291 0.856
After features/support/hooks.rb:75 0.000
2:41.049
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.020
And I prepare Tails for memory erasure tests 0.928
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.322
Then I find very few patterns in the guest's memory 3.461

Pattern coverage: 0.000% (0 MiB out of 1195 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1:37.354
Then patterns cover at least 99% of the test FS size in the guest's memory 5.086

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

When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory 4.678

Pattern coverage: 0.000% (0 MiB out of 1195 MiB reference memory)

# read cache
When I mount the USB drive again 3.456
And I read the content of the test FS 0.441
Then patterns cover at least 99% of the test FS size in the guest's memory 3.151

Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)

When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory 3.925

Pattern coverage: 0.000% (0 MiB out of 1195 MiB reference memory)

After features/support/hooks.rb:291 1.166
After features/support/hooks.rb:75 0.001
51.541
Before features/support/hooks.rb:245 0.004
Given I have started Tails from DVD without network and logged in 9.406
And I prepare Tails for memory erasure tests 0.595
When I fill a 128 MiB file with a known pattern on the root filesystem 14.157
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.675
Then patterns cover at least 128 MiB in the guest's memory 3.214

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

When I trigger shutdown 0.578
And I wait 20 seconds 20.012

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.901

Pattern coverage: 0.000% (0 MiB out of 1185 MiB reference memory)

After features/support/hooks.rb:291 3.456
After features/support/hooks.rb:75 0.000
5:56.696
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:10.557
And I prepare Tails for memory erasure tests 0.497
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.200
When I trigger shutdown 0.226
And I wait 20 seconds 20.005

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.209

Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)

After features/support/hooks.rb:291 3.441
After features/support/hooks.rb:75 0.012