Project Number Date
test_Tails_ISO_devel 3250 24 Jan 2024, 19:25

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 13:44.754 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.
18.648
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.893
And I prepare Tails for memory erasure tests 0.523
When I start a process allocating 128 MiB of memory with a known pattern 2.387
Then patterns cover at least 128 MiB in the guest's memory 3.573

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

When I kill the allocating process 0.434
Then I find very few patterns in the guest's memory 3.837

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

After features/support/hooks.rb:291 0.631
After features/support/hooks.rb:75 0.000
59.151
Before features/support/hooks.rb:245 0.009
Given I have started Tails from DVD without network and logged in 8.035
And I prepare Tails for memory erasure tests 0.550
And I find very few patterns in the guest's memory 3.756

Pattern coverage: 0.000% (0 MiB out of 1229 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.312
Then patterns cover at least 99% of the test FS size in the guest's memory 3.376

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

When I umount "/mnt" 0.267
Then I find very few patterns in the guest's memory 3.852

Pattern coverage: 0.000% (0 MiB out of 1229 MiB reference memory)

After features/support/hooks.rb:291 0.725
After features/support/hooks.rb:75 0.000
2:51.663
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.092
And I prepare Tails for memory erasure tests 0.579
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.826
Then I find very few patterns in the guest's memory 3.823

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

# write cache
When I fill the USB drive with a known pattern 2:9.204
Then patterns cover at least 86% of the test FS size in the guest's memory 5.212

Pattern coverage: 93.811% (116 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.557
Then I find very few patterns in the guest's memory 5.007

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

# read cache
When I mount the USB drive again 0.238
And I read the content of the test FS 0.682
Then patterns cover at least 99% of the test FS size in the guest's memory 4.321

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

When I umount the USB drive 0.296
Then I find very few patterns in the guest's memory 4.821

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

After features/support/hooks.rb:291 1.163
After features/support/hooks.rb:75 0.001
2:30.754
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.891
And I prepare Tails for memory erasure tests 0.612
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.608
Then I find very few patterns in the guest's memory 5.911

Pattern coverage: 0.000% (0 MiB out of 1248 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1:33.909
Then patterns cover at least 99% of the test FS size in the guest's memory 2.618

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

When I umount the USB drive 0.658
Then I find very few patterns in the guest's memory 3.413

Pattern coverage: 0.000% (0 MiB out of 1248 MiB reference memory)

# read cache
When I mount the USB drive again 3.939
And I read the content of the test FS 0.404
Then patterns cover at least 99% of the test FS size in the guest's memory 2.392

Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)

When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory 4.009

Pattern coverage: 0.000% (0 MiB out of 1248 MiB reference memory)

After features/support/hooks.rb:291 0.733
After features/support/hooks.rb:75 0.000
47.949
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.405
And I prepare Tails for memory erasure tests 0.513
When I fill a 128 MiB file with a known pattern on the root filesystem 11.732
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.367
Then patterns cover at least 128 MiB in the guest's memory 3.173

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

When I trigger shutdown 0.742
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.994

Pattern coverage: 0.000% (0 MiB out of 1245 MiB reference memory)

After features/support/hooks.rb:291 3.479
After features/support/hooks.rb:75 0.000
6:16.586
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 5:31.938
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.533
When I trigger shutdown 0.339
And I wait 20 seconds 20.016

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.295

Pattern coverage: 0.000% (0 MiB out of 1159 MiB reference memory)

After features/support/hooks.rb:291 3.474
After features/support/hooks.rb:75 0.014