Project Number Date
test_Tails_ISO_stable 4620 16 Jan 2024, 12:09

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 14:6.345 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.
18.737
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.241
And I prepare Tails for memory erasure tests 0.515
When I start a process allocating 128 MiB of memory with a known pattern 2.312
Then patterns cover at least 128 MiB in the guest's memory 3.475

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

When I kill the allocating process 0.427
Then I find very few patterns in the guest's memory 3.764

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

After features/support/hooks.rb:291 0.771
After features/support/hooks.rb:75 0.000
59.124
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.665
And I prepare Tails for memory erasure tests 0.752
And I find very few patterns in the guest's memory 3.892

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 38.345
Then patterns cover at least 99% of the test FS size in the guest's memory 3.640

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

When I umount "/mnt" 0.186
Then I find very few patterns in the guest's memory 3.642

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

After features/support/hooks.rb:291 0.787
After features/support/hooks.rb:75 0.000
3:18.702
Before features/support/hooks.rb:245 0.012
Given I have started Tails from DVD without network and logged in 8.289
And I prepare Tails for memory erasure tests 0.478
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.827
Then I find very few patterns in the guest's memory 3.408

Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2:43.680
Then patterns cover at least 86% of the test FS size in the guest's memory 3.177

Pattern coverage: 94.532% (117 MiB out of 124 MiB reference memory)

When I umount the USB drive 0.489
Then I find very few patterns in the guest's memory 3.619

Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)

# read cache
When I mount the USB drive again 0.194
And I read the content of the test FS 0.627
Then patterns cover at least 99% of the test FS size in the guest's memory 2.920

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

When I umount the USB drive 1.265
Then I find very few patterns in the guest's memory 3.723

Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)

After features/support/hooks.rb:291 0.787
After features/support/hooks.rb:75 0.000
2:43.772
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.105
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.546
Then I find very few patterns in the guest's memory 3.006

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

# write cache
When I fill the USB drive with a known pattern 1:52.341
Then patterns cover at least 99% of the test FS size in the guest's memory 2.676

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

When I umount the USB drive 0.573
Then I find very few patterns in the guest's memory 3.249

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

# read cache
When I mount the USB drive again 3.131
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 2.354

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

When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory 3.307

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

After features/support/hooks.rb:291 0.978
After features/support/hooks.rb:75 0.000
52.416
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.624
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the root filesystem 18.156
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.414
Then patterns cover at least 128 MiB in the guest's memory 2.353

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

When I trigger shutdown 0.658
And I wait 20 seconds 20.019

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.750

Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)

After features/support/hooks.rb:291 3.426
After features/support/hooks.rb:75 0.000
5:53.592
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 5:8.037
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.625
When I trigger shutdown 0.353
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.093

Pattern coverage: 0.000% (0 MiB out of 1168 MiB reference memory)

After features/support/hooks.rb:291 3.496
After features/support/hooks.rb:75 0.011