Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 31 31 Aug 2024, 07:27

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 11:55.353 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.
39.678
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.715
And I prepare Tails for memory erasure tests 0.376
When I start a process allocating 128 MiB of memory with a known pattern 19.795
Then patterns cover at least 128 MiB in the guest's memory 3.252

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

When I kill the allocating process 1.375
Then I find very few patterns in the guest's memory after 3 seconds 6.162

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

After features/support/hooks.rb:326 0.929
After features/support/hooks.rb:100 0.000
28.457
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.317
And I prepare Tails for memory erasure tests 0.488
And I find very few patterns in the guest's memory 2.984

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 5.657
Then patterns cover at least 99% of the test FS size in the guest's memory 3.181

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

When I umount "/mnt" 1.066
Then I find very few patterns in the guest's memory after 3 seconds 5.760

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

After features/support/hooks.rb:326 1.608
After features/support/hooks.rb:100 0.000
58.790
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.696
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.318
Then I find very few patterns in the guest's memory 3.154

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 5.592
Then patterns cover at least 75% of the test FS size in the guest's memory 5.181

Pattern coverage: 87.755% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.163
Then I find very few patterns in the guest's memory after 3 seconds 8.256

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# read cache
When I mount the USB drive again 1.405
And I read the content of the test FS 1.240
Then patterns cover at least 99% of the test FS size in the guest's memory 4.907

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

When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 6.810

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 0.809
After features/support/hooks.rb:100 0.000
1:28.775
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.308
And I prepare Tails for memory erasure tests 0.416
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.231
Then I find very few patterns in the guest's memory 2.430

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.899
Then patterns cover at least 99% of the test FS size in the guest's memory 2.947

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

When I umount the USB drive 1.159
Then I find very few patterns in the guest's memory after 3 seconds 5.702

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# read cache
When I mount the USB drive again 13.109
And I read the content of the test FS 0.518
Then patterns cover at least 99% of the test FS size in the guest's memory 4.697

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

When I umount the USB drive 0.869
Then I find very few patterns in the guest's memory after 3 seconds 5.484

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:326 1.304
After features/support/hooks.rb:100 0.000
52.853
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.825
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the root filesystem 17.864
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.611
Then patterns cover at least 128 MiB in the guest's memory 2.475

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.659

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

After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
7:26.797
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 6:42.800
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.394
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.171

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 3.539
After features/support/hooks.rb:100 0.011