Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 22 25 Mar 2025, 07:12

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 11:25.648 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.
26.316
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 9.072
And I prepare Tails for memory erasure tests 0.513
When I start a process allocating 128 MiB of memory with a known pattern 3.890
Then patterns cover at least 128 MiB in the guest's memory 3.478

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

When I kill the allocating process 1.341
Then I find very few patterns in the guest's memory after 5 seconds 8.019

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:330 1.168
After features/support/hooks.rb:100 0.000
25.490
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 9.396
And I prepare Tails for memory erasure tests 0.391
And I find very few patterns in the guest's memory 2.967

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.882
Then patterns cover at least 99% of the test FS size in the guest's memory 3.312

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

When I umount "/mnt" 0.743
Then I find very few patterns in the guest's memory after 3 seconds 5.796

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

After features/support/hooks.rb:330 1.055
After features/support/hooks.rb:100 0.000
52.816
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 8.068
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with a vfat filesystem 15.425
Then I find very few patterns in the guest's memory 2.934

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.776
Then patterns cover at least 75% of the test FS size in the guest's memory 4.109

Pattern coverage: 89.393% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.533
Then I find very few patterns in the guest's memory after 3 seconds 6.540

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# read cache
When I mount the USB drive again 0.230
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 3.905

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

When I umount the USB drive 0.476
Then I find very few patterns in the guest's memory after 3 seconds 5.895

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:330 1.150
After features/support/hooks.rb:100 0.000
1:13.708
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 8.264
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.700
Then I find very few patterns in the guest's memory 2.769

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.689
Then patterns cover at least 99% of the test FS size in the guest's memory 3.344

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

When I umount the USB drive 0.745
Then I find very few patterns in the guest's memory after 3 seconds 5.862

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 4.573
And I read the content of the test FS 0.410
Then patterns cover at least 99% of the test FS size in the guest's memory 3.584

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

When I umount the USB drive 0.823
Then I find very few patterns in the guest's memory after 3 seconds 5.504

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 1.765
After features/support/hooks.rb:100 0.000
53.047
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 7.947
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 19.450
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.925
Then patterns cover at least 128 MiB in the guest's memory 2.543

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

When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.747

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:330 3.515
After features/support/hooks.rb:100 0.000
7:34.270
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 6:50.056
And I prepare Tails for memory erasure tests 0.578
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.483
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.138

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:330 3.527
After features/support/hooks.rb:100 0.012