Project Number Date
test_Tails_ISO_feature-arti 32 17 Dec 2024, 16:37

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 11:33.669 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.
22.245
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.373
When I start a process allocating 128 MiB of memory with a known pattern 2.393
Then patterns cover at least 128 MiB in the guest's memory 3.801

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

When I kill the allocating process 1.874
Then I find very few patterns in the guest's memory after 3 seconds 5.760

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

After features/support/hooks.rb:326 0.821
After features/support/hooks.rb:100 0.000
25.305
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.411
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 2.932

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.224
Then patterns cover at least 99% of the test FS size in the guest's memory 3.376

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

When I umount "/mnt" 1.313
Then I find very few patterns in the guest's memory after 3 seconds 6.609

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

After features/support/hooks.rb:326 0.809
After features/support/hooks.rb:100 0.000
47.719
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.046
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.270
Then I find very few patterns in the guest's memory 3.237

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.597
Then patterns cover at least 75% of the test FS size in the guest's memory 3.173

Pattern coverage: 88.046% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.507
Then I find very few patterns in the guest's memory after 3 seconds 5.721

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# read cache
When I mount the USB drive again 0.360
And I read the content of the test FS 0.751
Then patterns cover at least 99% of the test FS size in the guest's memory 3.951

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

When I umount the USB drive 0.522
Then I find very few patterns in the guest's memory after 3 seconds 7.181

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 2.604
After features/support/hooks.rb:100 0.000
1:21.764
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.708
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.330
Then I find very few patterns in the guest's memory 3.112

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.286
Then patterns cover at least 99% of the test FS size in the guest's memory 3.557

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

When I umount the USB drive 1.992
Then I find very few patterns in the guest's memory after 3 seconds 6.239

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 5.087
And I read the content of the test FS 0.544
Then patterns cover at least 99% of the test FS size in the guest's memory 2.954

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

When I umount the USB drive 8.022
Then I find very few patterns in the guest's memory after 3 seconds 5.457

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 0.792
After features/support/hooks.rb:100 0.000
53.041
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.985
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the root filesystem 19.652
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.918
Then patterns cover at least 128 MiB in the guest's memory 2.308

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 20.749

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 3.661
After features/support/hooks.rb:100 0.000
7:43.592
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 6:58.769
And I prepare Tails for memory erasure tests 0.716
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.785
When I trigger shutdown 0.040
Then I find very few patterns in the guest's memory after 20 seconds 21.279

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

After features/support/hooks.rb:326 3.578
After features/support/hooks.rb:100 0.015