Project Number Date
test_Tails_ISO_stable 5133 02 Oct 2024, 12:20

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 11:42.113 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.
26.778
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.356
And I prepare Tails for memory erasure tests 0.678
When I start a process allocating 128 MiB of memory with a known pattern 6.289
Then patterns cover at least 128 MiB in the guest's memory 3.515

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

When I kill the allocating process 1.029
Then I find very few patterns in the guest's memory after 3 seconds 5.908

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

After features/support/hooks.rb:326 0.821
After features/support/hooks.rb:100 0.000
24.416
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.419
And I prepare Tails for memory erasure tests 0.522
And I find very few patterns in the guest's memory 2.961

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.783
Then patterns cover at least 99% of the test FS size in the guest's memory 4.046

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

When I umount "/mnt" 0.678
Then I find very few patterns in the guest's memory after 3 seconds 6.003

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

After features/support/hooks.rb:326 0.809
After features/support/hooks.rb:100 0.000
51.924
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.204
And I prepare Tails for memory erasure tests 0.635
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.229
Then I find very few patterns in the guest's memory 2.864

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

# write cache
When I fill the USB drive with a known pattern 4.554
Then patterns cover at least 75% of the test FS size in the guest's memory 3.865

Pattern coverage: 89.285% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 3.285
Then I find very few patterns in the guest's memory after 3 seconds 6.551

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

# read cache
When I mount the USB drive again 0.230
And I read the content of the test FS 0.515
Then patterns cover at least 99% of the test FS size in the guest's memory 4.416

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

When I umount the USB drive 0.662
Then I find very few patterns in the guest's memory after 3 seconds 5.907

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

After features/support/hooks.rb:326 0.825
After features/support/hooks.rb:100 0.000
1:20.608
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.242
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" 33.791
Then I find very few patterns in the guest's memory 2.744

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

# write cache
When I fill the USB drive with a known pattern 2.839
Then patterns cover at least 99% of the test FS size in the guest's memory 3.306

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

When I umount the USB drive 1.038
Then I find very few patterns in the guest's memory after 3 seconds 6.078

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

# read cache
When I mount the USB drive again 11.442
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 3.434

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

When I umount the USB drive 0.996
Then I find very few patterns in the guest's memory after 3 seconds 5.729

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

After features/support/hooks.rb:326 1.767
After features/support/hooks.rb:100 0.000
53.298
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.261
And I prepare Tails for memory erasure tests 0.585
When I fill a 128 MiB file with a known pattern on the root filesystem 18.352
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.200
Then patterns cover at least 128 MiB in the guest's memory 2.979

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

When I trigger shutdown 0.041
Then I find very few patterns in the guest's memory after 20 seconds 20.878

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

After features/support/hooks.rb:326 3.697
After features/support/hooks.rb:100 0.000
7:45.088
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:0.267
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.209
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.132

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

After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.011