Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 47 19 Sep 2024, 07:23

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 11:32.673 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.
27.857
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.193
And I prepare Tails for memory erasure tests 0.447
When I start a process allocating 128 MiB of memory with a known pattern 2.313
Then patterns cover at least 128 MiB in the guest's memory 3.810

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

When I kill the allocating process 6.663
Then I find very few patterns in the guest's memory after 3 seconds 6.428

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 1.905
After features/support/hooks.rb:100 0.000
25.367
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.282
And I prepare Tails for memory erasure tests 0.422
And I find very few patterns in the guest's memory 3.028

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.096
Then patterns cover at least 99% of the test FS size in the guest's memory 4.092

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

When I umount "/mnt" 0.669
Then I find very few patterns in the guest's memory after 3 seconds 6.774

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

After features/support/hooks.rb:326 1.496
After features/support/hooks.rb:100 0.000
52.132
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.071
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.236
Then I find very few patterns in the guest's memory 2.963

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.093
Then patterns cover at least 75% of the test FS size in the guest's memory 4.533

Pattern coverage: 88.618% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.832
Then I find very few patterns in the guest's memory after 3 seconds 6.547

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 0.547
And I read the content of the test FS 1.812
Then patterns cover at least 99% of the test FS size in the guest's memory 4.225

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

When I umount the USB drive 1.177
Then I find very few patterns in the guest's memory after 3 seconds 6.594

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 1.663
After features/support/hooks.rb:100 0.000
1:22.075
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.101
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.072
Then I find very few patterns in the guest's memory 2.323

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

# write cache
When I fill the USB drive with a known pattern 4.015
Then patterns cover at least 99% of the test FS size in the guest's memory 2.824

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

When I umount the USB drive 0.962
Then I find very few patterns in the guest's memory after 3 seconds 5.302

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

# read cache
When I mount the USB drive again 5.511
And I read the content of the test FS 0.566
Then patterns cover at least 99% of the test FS size in the guest's memory 3.311

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

When I umount the USB drive 2.645
Then I find very few patterns in the guest's memory after 3 seconds 5.986

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

After features/support/hooks.rb:326 0.888
After features/support/hooks.rb:100 0.000
52.819
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.036
And I prepare Tails for memory erasure tests 0.379
When I fill a 128 MiB file with a known pattern on the root filesystem 15.614
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.720
Then patterns cover at least 128 MiB in the guest's memory 3.316

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 20.738

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

After features/support/hooks.rb:326 3.508
After features/support/hooks.rb:100 0.000
7:32.421
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 6:49.360
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.483
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.135

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

After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.011