Project Number Date
test_Tails_ISO_20522-ocr-more 49 01 Feb 2025, 05:16

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 10:54.137 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.
23.010
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.059
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.355
Then patterns cover at least 128 MiB in the guest's memory 3.168

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

When I kill the allocating process 1.255
Then I find very few patterns in the guest's memory after 5 seconds 7.748

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

After features/support/hooks.rb:326 0.742
After features/support/hooks.rb:100 0.000
22.616
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.835
And I prepare Tails for memory erasure tests 0.427
And I find very few patterns in the guest's memory 2.818

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.020
Then patterns cover at least 99% of the test FS size in the guest's memory 3.030

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

When I umount "/mnt" 0.723
Then I find very few patterns in the guest's memory after 3 seconds 5.760

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 0.745
After features/support/hooks.rb:100 0.000
48.957
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.875
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.062
Then I find very few patterns in the guest's memory 3.695

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.611
Then patterns cover at least 75% of the test FS size in the guest's memory 3.710

Pattern coverage: 87.133% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.366
Then I find very few patterns in the guest's memory after 3 seconds 6.637

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

# read cache
When I mount the USB drive again 0.249
And I read the content of the test FS 0.727
Then patterns cover at least 99% of the test FS size in the guest's memory 4.307

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

When I umount the USB drive 0.749
Then I find very few patterns in the guest's memory after 3 seconds 6.449

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

After features/support/hooks.rb:326 1.811
After features/support/hooks.rb:100 0.000
1:12.056
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.367
And I prepare Tails for memory erasure tests 0.541
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.024
Then I find very few patterns in the guest's memory 2.744

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.651
Then patterns cover at least 99% of the test FS size in the guest's memory 4.074

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

When I umount the USB drive 0.913
Then I find very few patterns in the guest's memory after 3 seconds 5.259

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# read cache
When I mount the USB drive again 5.451
And I read the content of the test FS 0.416
Then patterns cover at least 99% of the test FS size in the guest's memory 2.677

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

When I umount the USB drive 0.685
Then I find very few patterns in the guest's memory after 3 seconds 5.247

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 0.810
After features/support/hooks.rb:100 0.000
50.798
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.820
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the root filesystem 17.812
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.538
Then patterns cover at least 128 MiB in the guest's memory 2.547

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 20.664

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

After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.000
7:16.698
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:32.541
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.584
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.123

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

After features/support/hooks.rb:326 3.508
After features/support/hooks.rb:100 0.011