Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 40 09 Sep 2024, 07:14

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 11:14.559 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.
20.784
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.155
And I prepare Tails for memory erasure tests 0.456
When I start a process allocating 128 MiB of memory with a known pattern 1.298
Then patterns cover at least 128 MiB in the guest's memory 3.624

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

When I kill the allocating process 0.980
Then I find very few patterns in the guest's memory after 3 seconds 6.269

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
25.172
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.267
And I prepare Tails for memory erasure tests 0.568
And I find very few patterns in the guest's memory 3.091

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.741
Then patterns cover at least 99% of the test FS size in the guest's memory 4.009

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

When I umount "/mnt" 0.867
Then I find very few patterns in the guest's memory after 3 seconds 6.626

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 0.909
After features/support/hooks.rb:100 0.000
54.508
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.182
And I prepare Tails for memory erasure tests 0.685
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.028
Then I find very few patterns in the guest's memory 5.180

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

# write cache
When I fill the USB drive with a known pattern 3.350
Then patterns cover at least 75% of the test FS size in the guest's memory 5.200

Pattern coverage: 87.225% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.315
Then I find very few patterns in the guest's memory after 3 seconds 7.418

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

# read cache
When I mount the USB drive again 0.364
And I read the content of the test FS 0.876
Then patterns cover at least 99% of the test FS size in the guest's memory 3.804

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

When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 6.602

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

After features/support/hooks.rb:326 0.905
After features/support/hooks.rb:100 0.000
1:22.168
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.004
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.146
Then I find very few patterns in the guest's memory 2.881

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.141
Then patterns cover at least 99% of the test FS size in the guest's memory 3.168

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

When I umount the USB drive 0.886
Then I find very few patterns in the guest's memory after 3 seconds 5.963

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 5.974
And I read the content of the test FS 0.839
Then patterns cover at least 99% of the test FS size in the guest's memory 5.565

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.866
Then I find very few patterns in the guest's memory after 3 seconds 6.289

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.844
After features/support/hooks.rb:100 0.000
54.432
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.989
And I prepare Tails for memory erasure tests 0.531
When I fill a 128 MiB file with a known pattern on the root filesystem 18.368
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.975
Then patterns cover at least 128 MiB in the guest's memory 2.810

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 20.742

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.000
7:17.493
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 6:33.790
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.009
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.239

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

After features/support/hooks.rb:326 3.562
After features/support/hooks.rb:100 0.011