Project Number Date
test_Tails_ISO_devel 3241 18 Jan 2024, 12:25

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 14:28.232 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.
17.653
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.013
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.296
Then patterns cover at least 128 MiB in the guest's memory 3.074

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

When I kill the allocating process 0.257
Then I find very few patterns in the guest's memory 3.558

Pattern coverage: 0.000% (0 MiB out of 1197 MiB reference memory)

After features/support/hooks.rb:291 0.790
After features/support/hooks.rb:75 0.000
56.440
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.187
And I prepare Tails for memory erasure tests 0.484
And I find very few patterns in the guest's memory 3.643

Pattern coverage: 0.000% (0 MiB out of 1228 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 36.982
Then patterns cover at least 99% of the test FS size in the guest's memory 2.918

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

When I umount "/mnt" 0.266
Then I find very few patterns in the guest's memory 3.958

Pattern coverage: 0.000% (0 MiB out of 1228 MiB reference memory)

After features/support/hooks.rb:291 0.678
After features/support/hooks.rb:75 0.000
3:32.157
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.725
And I prepare Tails for memory erasure tests 0.477
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.911
Then I find very few patterns in the guest's memory 4.283

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

# write cache
When I fill the USB drive with a known pattern 2:55.407
Then patterns cover at least 86% of the test FS size in the guest's memory 2.763

Pattern coverage: 96.782% (120 MiB out of 124 MiB reference memory)

When I umount the USB drive 2.375
Then I find very few patterns in the guest's memory 3.368

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

# read cache
When I mount the USB drive again 0.561
And I read the content of the test FS 0.607
Then patterns cover at least 99% of the test FS size in the guest's memory 2.840

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

When I umount the USB drive 1.486
Then I find very few patterns in the guest's memory 3.347

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

After features/support/hooks.rb:291 0.717
After features/support/hooks.rb:75 0.000
3:10.105
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.619
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 21.999
Then I find very few patterns in the guest's memory 3.161

Pattern coverage: 0.000% (0 MiB out of 1189 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2:19.912
Then patterns cover at least 99% of the test FS size in the guest's memory 2.387

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

When I umount the USB drive 0.885
Then I find very few patterns in the guest's memory 3.214

Pattern coverage: 0.000% (0 MiB out of 1189 MiB reference memory)

# read cache
When I mount the USB drive again 3.038
And I read the content of the test FS 0.339
Then patterns cover at least 99% of the test FS size in the guest's memory 2.247

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

When I umount the USB drive 1.537
Then I find very few patterns in the guest's memory 3.296

Pattern coverage: 0.000% (0 MiB out of 1189 MiB reference memory)

After features/support/hooks.rb:291 3.485
After features/support/hooks.rb:75 0.000
48.621
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.359
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 13.490
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.347
Then patterns cover at least 128 MiB in the guest's memory 2.276

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

When I trigger shutdown 0.985
And I wait 20 seconds 20.019

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.684

Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)

After features/support/hooks.rb:291 3.424
After features/support/hooks.rb:75 0.000
5:43.254
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 4:57.415
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 22.808
When I trigger shutdown 0.487
And I wait 20 seconds 20.010

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.096

Pattern coverage: 0.000% (0 MiB out of 1166 MiB reference memory)

After features/support/hooks.rb:291 3.470
After features/support/hooks.rb:75 0.011