Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 30 02 Apr 2025, 06:30

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 10:43.818 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.
21.762
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 7.970
And I prepare Tails for memory erasure tests 0.422
When I start a process allocating 128 MiB of memory with a known pattern 2.372
Then patterns cover at least 128 MiB in the guest's memory 3.074

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

When I kill the allocating process 0.214
Then I find very few patterns in the guest's memory after 5 seconds 7.708

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:330 0.736
After features/support/hooks.rb:100 0.000
22.622
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 8.040
And I prepare Tails for memory erasure tests 0.420
And I find very few patterns in the guest's memory 2.748

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.939
Then patterns cover at least 99% of the test FS size in the guest's memory 3.198

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

When I umount "/mnt" 0.564
Then I find very few patterns in the guest's memory after 3 seconds 5.710

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

After features/support/hooks.rb:330 0.926
After features/support/hooks.rb:100 0.000
44.651
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 7.892
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.957
Then I find very few patterns in the guest's memory 3.848

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.774
Then patterns cover at least 75% of the test FS size in the guest's memory 3.282

Pattern coverage: 86.940% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.980
Then I find very few patterns in the guest's memory after 3 seconds 5.684

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 0.213
And I read the content of the test FS 0.479
Then patterns cover at least 99% of the test FS size in the guest's memory 3.000

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

When I umount the USB drive 0.336
Then I find very few patterns in the guest's memory after 3 seconds 5.793

Pattern coverage: 0.001% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:330 1.069
After features/support/hooks.rb:100 0.000
1:14.881
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 7.955
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.221
Then I find very few patterns in the guest's memory 2.824

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.569
Then patterns cover at least 99% of the test FS size in the guest's memory 2.646

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

When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory after 3 seconds 5.289

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# read cache
When I mount the USB drive again 4.635
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 2.660

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.574
Then I find very few patterns in the guest's memory after 3 seconds 6.981

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:330 1.421
After features/support/hooks.rb:100 0.000
47.842
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 7.894
And I prepare Tails for memory erasure tests 0.385
When I fill a 128 MiB file with a known pattern on the root filesystem 14.774
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.774
Then patterns cover at least 128 MiB in the guest's memory 2.260

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.739

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 3.500
After features/support/hooks.rb:100 0.000
7:12.058
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 6:28.483
And I prepare Tails for memory erasure tests 1.125
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.307
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.127

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

After features/support/hooks.rb:330 3.545
After features/support/hooks.rb:100 0.011