Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 46 18 Apr 2025, 06:54

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 10:53.988 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.
23.418
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 7.915
And I prepare Tails for memory erasure tests 0.583
When I start a process allocating 128 MiB of memory with a known pattern 2.428
Then patterns cover at least 128 MiB in the guest's memory 3.162

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

When I kill the allocating process 0.708
Then I find very few patterns in the guest's memory after 5 seconds 8.620

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

After features/support/hooks.rb:330 0.719
After features/support/hooks.rb:100 0.000
24.262
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 7.888
And I prepare Tails for memory erasure tests 0.407
And I find very few patterns in the guest's memory 3.500

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.755
Then patterns cover at least 99% of the test FS size in the guest's memory 3.806

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

When I umount "/mnt" 0.400
Then I find very few patterns in the guest's memory after 3 seconds 6.503

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.724
After features/support/hooks.rb:100 0.000
49.629
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 9.128
And I prepare Tails for memory erasure tests 0.553
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.179
Then I find very few patterns in the guest's memory 3.722

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

# write cache
When I fill the USB drive with a known pattern 3.855
Then patterns cover at least 75% of the test FS size in the guest's memory 4.113

Pattern coverage: 88.817% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.720
Then I find very few patterns in the guest's memory after 3 seconds 6.421

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

# read cache
When I mount the USB drive again 0.229
And I read the content of the test FS 0.488
Then patterns cover at least 99% of the test FS size in the guest's memory 3.855

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

When I umount the USB drive 0.410
Then I find very few patterns in the guest's memory after 3 seconds 5.950

Pattern coverage: 0.001% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 0.823
After features/support/hooks.rb:100 0.000
1:18.209
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 8.028
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.233
Then I find very few patterns in the guest's memory 2.716

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.681
Then patterns cover at least 99% of the test FS size in the guest's memory 3.342

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

When I umount the USB drive 0.742
Then I find very few patterns in the guest's memory after 3 seconds 6.070

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# read cache
When I mount the USB drive again 4.520
And I read the content of the test FS 0.413
Then patterns cover at least 99% of the test FS size in the guest's memory 3.430

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

When I umount the USB drive 0.589
Then I find very few patterns in the guest's memory after 3 seconds 6.002

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 0.970
After features/support/hooks.rb:100 0.000
48.842
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 8.002
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the root filesystem 14.899
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.028
Then patterns cover at least 128 MiB in the guest's memory 2.724

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.699

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 3.527
After features/support/hooks.rb:100 0.000
7:9.625
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 6:25.915
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.889
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.306

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:330 3.567
After features/support/hooks.rb:100 0.012