Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 22 16 Dec 2024, 00:02

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 11:55.652 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.
20.822
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.122
And I prepare Tails for memory erasure tests 0.422
When I start a process allocating 128 MiB of memory with a known pattern 1.287
Then patterns cover at least 128 MiB in the guest's memory 3.798

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

When I kill the allocating process 0.281
Then I find very few patterns in the guest's memory after 3 seconds 6.908

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

After features/support/hooks.rb:326 0.979
After features/support/hooks.rb:100 0.000
26.006
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.196
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 3.783

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.312
Then patterns cover at least 99% of the test FS size in the guest's memory 4.183

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

When I umount "/mnt" 0.418
Then I find very few patterns in the guest's memory after 3 seconds 6.701

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

After features/support/hooks.rb:326 0.878
After features/support/hooks.rb:100 0.000
53.226
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.479
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.313
Then I find very few patterns in the guest's memory 3.744

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

# write cache
When I fill the USB drive with a known pattern 2.449
Then patterns cover at least 75% of the test FS size in the guest's memory 4.408

Pattern coverage: 86.313% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.851
Then I find very few patterns in the guest's memory after 3 seconds 6.654

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

# read cache
When I mount the USB drive again 0.450
And I read the content of the test FS 2.382
Then patterns cover at least 99% of the test FS size in the guest's memory 4.269

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

When I umount the USB drive 1.030
Then I find very few patterns in the guest's memory after 3 seconds 6.770

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

After features/support/hooks.rb:326 0.818
After features/support/hooks.rb:100 0.000
1:23.634
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.353
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.429
Then I find very few patterns in the guest's memory 3.151

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.046
Then patterns cover at least 99% of the test FS size in the guest's memory 3.522

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

When I umount the USB drive 4.790
Then I find very few patterns in the guest's memory after 3 seconds 6.047

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# read cache
When I mount the USB drive again 9.577
And I read the content of the test FS 0.824
Then patterns cover at least 99% of the test FS size in the guest's memory 3.567

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

When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 6.127

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 1.824
After features/support/hooks.rb:100 0.000
57.611
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.184
And I prepare Tails for memory erasure tests 0.552
When I fill a 128 MiB file with a known pattern on the root filesystem 16.869
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.996
Then patterns cover at least 128 MiB in the guest's memory 3.133

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 20.861

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.000
7:54.350
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:9.160
And I prepare Tails for memory erasure tests 0.555
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.316
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.306

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

After features/support/hooks.rb:326 3.562
After features/support/hooks.rb:100 0.013