Project Number Date
test_Tails_ISO_devel 3435 21 Jun 2024, 12:48

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 11:43.558 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.
20.883
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.179
And I prepare Tails for memory erasure tests 0.414
When I start a process allocating 128 MiB of memory with a known pattern 2.364
Then patterns cover at least 128 MiB in the guest's memory 3.459

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

When I kill the allocating process 2.375
Then I find very few patterns in the guest's memory 4.090

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 1.475
After features/support/hooks.rb:100 0.000
24.287
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.048
And I prepare Tails for memory erasure tests 0.475
And I find very few patterns in the guest's memory 3.876

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.003
Then patterns cover at least 99% of the test FS size in the guest's memory 3.172

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

When I umount "/mnt" 0.862
Then I find very few patterns in the guest's memory 3.847

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 0.814
After features/support/hooks.rb:100 0.000
47.545
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.980
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.101
Then I find very few patterns in the guest's memory 4.037

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.533
Then patterns cover at least 86% of the test FS size in the guest's memory 4.323

Pattern coverage: 88.355% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 4.125
Then I find very few patterns in the guest's memory 3.979

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 1.085
Then patterns cover at least 99% of the test FS size in the guest's memory 3.433

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

When I umount the USB drive 0.610
Then I find very few patterns in the guest's memory 4.586

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 0.789
After features/support/hooks.rb:100 0.000
1:19.290
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.092
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.030
Then I find very few patterns in the guest's memory 4.193

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.058
Then patterns cover at least 99% of the test FS size in the guest's memory 3.761

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

When I umount the USB drive 1.143
Then I find very few patterns in the guest's memory 3.881

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# read cache
When I mount the USB drive again 6.385
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 3.676

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

When I umount the USB drive 0.611
Then I find very few patterns in the guest's memory 3.545

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 0.760
After features/support/hooks.rb:100 0.000
52.570
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.333
And I prepare Tails for memory erasure tests 0.500
When I fill a 128 MiB file with a known pattern on the root filesystem 17.512
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.791
Then patterns cover at least 128 MiB in the guest's memory 2.653

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

When I trigger shutdown 0.014
And I wait 20 seconds 20.003

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.762

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.496
After features/support/hooks.rb:100 0.000
7:58.981
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:16.683
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.652
When I trigger shutdown 0.011
And I wait 20 seconds 20.007

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.212

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.011