Project Number Date
test_Tails_ISO_19139-arti-bridges 13 27 Nov 2024, 01:03

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 11:29.063 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.
20.553
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.558
And I prepare Tails for memory erasure tests 0.465
When I start a process allocating 128 MiB of memory with a known pattern 1.324
Then patterns cover at least 128 MiB in the guest's memory 3.790

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

When I kill the allocating process 0.261
Then I find very few patterns in the guest's memory after 3 seconds 6.152

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
23.774
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.127
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 2.994

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.553
Then patterns cover at least 99% of the test FS size in the guest's memory 3.610

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

When I umount "/mnt" 0.484
Then I find very few patterns in the guest's memory after 3 seconds 6.602

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 0.796
After features/support/hooks.rb:100 0.000
51.570
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.154
And I prepare Tails for memory erasure tests 0.507
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.184
Then I find very few patterns in the guest's memory 3.830

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.583
Then patterns cover at least 75% of the test FS size in the guest's memory 4.125

Pattern coverage: 84.770% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.861
Then I find very few patterns in the guest's memory after 3 seconds 6.609

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# read cache
When I mount the USB drive again 0.406
And I read the content of the test FS 0.570
Then patterns cover at least 99% of the test FS size in the guest's memory 5.304

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

When I umount the USB drive 0.858
Then I find very few patterns in the guest's memory after 3 seconds 6.573

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:326 0.970
After features/support/hooks.rb:100 0.000
1:17.612
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.567
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.780
Then I find very few patterns in the guest's memory 3.270

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.682
Then patterns cover at least 99% of the test FS size in the guest's memory 3.017

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

When I umount the USB drive 1.097
Then I find very few patterns in the guest's memory after 3 seconds 6.234

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# read cache
When I mount the USB drive again 5.029
And I read the content of the test FS 0.513
Then patterns cover at least 99% of the test FS size in the guest's memory 3.604

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

When I umount the USB drive 1.107
Then I find very few patterns in the guest's memory after 3 seconds 6.239

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:326 1.016
After features/support/hooks.rb:100 0.000
52.662
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.414
And I prepare Tails for memory erasure tests 0.597
When I fill a 128 MiB file with a known pattern on the root filesystem 17.318
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.237
Then patterns cover at least 128 MiB in the guest's memory 3.203

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

When I trigger shutdown 0.029
Then I find very few patterns in the guest's memory after 20 seconds 20.861

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

After features/support/hooks.rb:326 3.558
After features/support/hooks.rb:100 0.000
7:42.889
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 6:53.108
And I prepare Tails for memory erasure tests 0.619
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.869
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.277

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 3.564
After features/support/hooks.rb:100 0.012