Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 53 24 Sep 2024, 17:48

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 10:18.296 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.
21.766
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.959
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 2.336
Then patterns cover at least 128 MiB in the guest's memory 3.504

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

When I kill the allocating process 1.114
Then I find very few patterns in the guest's memory after 3 seconds 6.445

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

After features/support/hooks.rb:326 0.821
After features/support/hooks.rb:100 0.000
23.887
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.983
And I prepare Tails for memory erasure tests 0.408
And I find very few patterns in the guest's memory 2.914

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.993
Then patterns cover at least 99% of the test FS size in the guest's memory 3.563

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

When I umount "/mnt" 0.849
Then I find very few patterns in the guest's memory after 3 seconds 6.174

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

After features/support/hooks.rb:326 0.780
After features/support/hooks.rb:100 0.000
46.111
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.904
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.027
Then I find very few patterns in the guest's memory 3.110

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

# write cache
When I fill the USB drive with a known pattern 2.573
Then patterns cover at least 75% of the test FS size in the guest's memory 3.663

Pattern coverage: 92.074% (117 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.501
Then I find very few patterns in the guest's memory after 3 seconds 6.080

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

# read cache
When I mount the USB drive again 0.237
And I read the content of the test FS 0.498
Then patterns cover at least 99% of the test FS size in the guest's memory 3.524

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

When I umount the USB drive 0.656
Then I find very few patterns in the guest's memory after 3 seconds 5.913

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

After features/support/hooks.rb:326 0.848
After features/support/hooks.rb:100 0.000
1:12.257
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.958
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.533
Then I find very few patterns in the guest's memory 2.454

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

# write cache
When I fill the USB drive with a known pattern 1.907
Then patterns cover at least 99% of the test FS size in the guest's memory 2.866

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

When I umount the USB drive 0.969
Then I find very few patterns in the guest's memory after 3 seconds 5.597

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

# read cache
When I mount the USB drive again 4.706
And I read the content of the test FS 0.436
Then patterns cover at least 99% of the test FS size in the guest's memory 3.090

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

When I umount the USB drive 0.775
Then I find very few patterns in the guest's memory after 3 seconds 5.555

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

After features/support/hooks.rb:326 0.816
After features/support/hooks.rb:100 0.000
47.782
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.892
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the root filesystem 14.029
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.042
Then patterns cover at least 128 MiB in the guest's memory 2.649

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.752

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

After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.000
6:46.490
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 6:2.590
And I prepare Tails for memory erasure tests 0.361
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.330
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.196

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

After features/support/hooks.rb:326 3.486
After features/support/hooks.rb:100 0.012