Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 9 13 Mar 2025, 07:30

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:40.900 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.
25.108
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.137
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 1.232
Then patterns cover at least 128 MiB in the guest's memory 3.775

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

When I kill the allocating process 2.195
Then I find very few patterns in the guest's memory after 5 seconds 9.351

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

After features/support/hooks.rb:330 0.900
After features/support/hooks.rb:100 0.000
25.621
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.682
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 3.166

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.971
Then patterns cover at least 99% of the test FS size in the guest's memory 3.863

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

When I umount "/mnt" 1.163
Then I find very few patterns in the guest's memory after 3 seconds 6.314

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 0.852
After features/support/hooks.rb:100 0.000
55.208
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.144
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.154
Then I find very few patterns in the guest's memory 3.652

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.418
Then patterns cover at least 75% of the test FS size in the guest's memory 4.340

Pattern coverage: 86.466% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.308
Then I find very few patterns in the guest's memory after 3 seconds 6.301

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# read cache
When I mount the USB drive again 0.601
And I read the content of the test FS 2.699
Then patterns cover at least 99% of the test FS size in the guest's memory 4.313

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

When I umount the USB drive 0.604
Then I find very few patterns in the guest's memory after 3 seconds 7.203

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:330 1.072
After features/support/hooks.rb:100 0.000
1:15.899
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.479
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.509
Then I find very few patterns in the guest's memory 2.991

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.239
Then patterns cover at least 99% of the test FS size in the guest's memory 3.668

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

When I umount the USB drive 0.993
Then I find very few patterns in the guest's memory after 3 seconds 6.066

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 4.995
And I read the content of the test FS 1.747
Then patterns cover at least 99% of the test FS size in the guest's memory 3.297

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.800
Then I find very few patterns in the guest's memory after 3 seconds 5.703

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:330 2.158
After features/support/hooks.rb:100 0.000
55.543
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.292
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the root filesystem 20.067
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.714
Then patterns cover at least 128 MiB in the guest's memory 3.444

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

When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.580

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:330 3.725
After features/support/hooks.rb:100 0.000
7:43.519
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:59.418
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.411
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.227

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 3.574
After features/support/hooks.rb:100 0.013