Project Number Date
test_Tails_ISO_devel 3424 11 Jun 2024, 12:26

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 10:57.613 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.
22.414
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.379
And I prepare Tails for memory erasure tests 0.589
When I start a process allocating 128 MiB of memory with a known pattern 3.622
Then patterns cover at least 128 MiB in the guest's memory 3.708

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

When I kill the allocating process 1.718
Then I find very few patterns in the guest's memory 4.396

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

After features/support/hooks.rb:315 1.237
After features/support/hooks.rb:100 0.000
24.749
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.564
And I prepare Tails for memory erasure tests 0.577
And I find very few patterns in the guest's memory 4.139

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.115
Then patterns cover at least 99% of the test FS size in the guest's memory 3.584

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

When I umount "/mnt" 0.988
Then I find very few patterns in the guest's memory 3.779

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

After features/support/hooks.rb:315 1.287
After features/support/hooks.rb:100 0.000
44.561
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.487
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.988
Then I find very few patterns in the guest's memory 5.092

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.929
Then patterns cover at least 86% of the test FS size in the guest's memory 3.640

Pattern coverage: 88.284% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.988
Then I find very few patterns in the guest's memory 4.121

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 0.345
And I read the content of the test FS 0.446
Then patterns cover at least 99% of the test FS size in the guest's memory 3.644

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory 4.147

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:315 1.128
After features/support/hooks.rb:100 0.000
1:12.478
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.154
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.281
Then I find very few patterns in the guest's memory 3.662

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.983
Then patterns cover at least 99% of the test FS size in the guest's memory 3.146

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.154
Then I find very few patterns in the guest's memory 3.909

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 6.310
And I read the content of the test FS 0.507
Then patterns cover at least 99% of the test FS size in the guest's memory 3.296

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.994
Then I find very few patterns in the guest's memory 3.646

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:315 0.845
After features/support/hooks.rb:100 0.000
53.746
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.072
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the root filesystem 18.658
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.747
Then patterns cover at least 128 MiB in the guest's memory 3.032

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

When I trigger shutdown 0.012
And I wait 20 seconds 20.019

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.764

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:315 3.522
After features/support/hooks.rb:100 0.000
7:19.663
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:35.086
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.945
When I trigger shutdown 0.014
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.187

Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)

After features/support/hooks.rb:315 3.538
After features/support/hooks.rb:100 0.011