Project Number Date
test_Tails_ISO_devel 3240 17 Jan 2024, 12:37

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 14:30.532 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.
17.960
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.260
And I prepare Tails for memory erasure tests 0.518
When I start a process allocating 128 MiB of memory with a known pattern 2.298
Then patterns cover at least 128 MiB in the guest's memory 3.089

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

When I kill the allocating process 0.321
Then I find very few patterns in the guest's memory 3.472

Pattern coverage: 0.000% (0 MiB out of 1191 MiB reference memory)

After features/support/hooks.rb:291 0.838
After features/support/hooks.rb:75 0.000
57.834
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.298
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 3.577

Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 37.949
Then patterns cover at least 99% of the test FS size in the guest's memory 3.165

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

When I umount "/mnt" 0.248
Then I find very few patterns in the guest's memory 4.115

Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)

After features/support/hooks.rb:291 0.948
After features/support/hooks.rb:75 0.000
3:23.075
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.112
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.846
Then I find very few patterns in the guest's memory 3.569

Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2:48.557
Then patterns cover at least 86% of the test FS size in the guest's memory 2.963

Pattern coverage: 96.234% (119 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory 3.692

Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)

# read cache
When I mount the USB drive again 0.506
And I read the content of the test FS 0.567
Then patterns cover at least 99% of the test FS size in the guest's memory 3.150

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

When I umount the USB drive 0.292
Then I find very few patterns in the guest's memory 3.851

Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)

After features/support/hooks.rb:291 0.797
After features/support/hooks.rb:75 0.000
2:56.153
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.223
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.277
Then I find very few patterns in the guest's memory 3.310

Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2:4.403
Then patterns cover at least 99% of the test FS size in the guest's memory 2.510

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

When I umount the USB drive 0.639
Then I find very few patterns in the guest's memory 3.244

Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)

# read cache
When I mount the USB drive again 3.403
And I read the content of the test FS 0.345
Then patterns cover at least 99% of the test FS size in the guest's memory 2.532

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

When I umount the USB drive 0.587
Then I find very few patterns in the guest's memory 3.198

Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)

After features/support/hooks.rb:291 1.734
After features/support/hooks.rb:75 0.000
48.877
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.816
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the root filesystem 12.379
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.295
Then patterns cover at least 128 MiB in the guest's memory 2.509

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

When I trigger shutdown 0.746
And I wait 20 seconds 20.006

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.672

Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)

After features/support/hooks.rb:291 3.442
After features/support/hooks.rb:75 0.000
6:6.631
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 5:23.157
And I prepare Tails for memory erasure tests 0.467
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.483
When I trigger shutdown 0.330
And I wait 20 seconds 20.018

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.173

Pattern coverage: 0.000% (0 MiB out of 1173 MiB reference memory)

After features/support/hooks.rb:291 3.432
After features/support/hooks.rb:75 0.012