Project Number Date
test_Tails_ISO_20671-electrum-campaign-2024 2 21 Nov 2024, 03:52

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 11:29.742 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.
22.943
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.319
And I prepare Tails for memory erasure tests 0.372
When I start a process allocating 128 MiB of memory with a known pattern 3.960
Then patterns cover at least 128 MiB in the guest's memory 3.165

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

When I kill the allocating process 1.376
Then I find very few patterns in the guest's memory after 3 seconds 5.749

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 0.961
After features/support/hooks.rb:100 0.000
23.541
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.057
And I prepare Tails for memory erasure tests 0.385
And I find very few patterns in the guest's memory 2.837

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.112
Then patterns cover at least 99% of the test FS size in the guest's memory 3.311

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

When I umount "/mnt" 0.966
Then I find very few patterns in the guest's memory after 3 seconds 5.871

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 1.502
After features/support/hooks.rb:100 0.000
52.421
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.018
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.087
Then I find very few patterns in the guest's memory 2.696

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

# write cache
When I fill the USB drive with a known pattern 7.914
Then patterns cover at least 75% of the test FS size in the guest's memory 3.480

Pattern coverage: 87.277% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.287
Then I find very few patterns in the guest's memory after 3 seconds 6.763

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

# read cache
When I mount the USB drive again 0.367
And I read the content of the test FS 0.758
Then patterns cover at least 99% of the test FS size in the guest's memory 3.949

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

When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory after 3 seconds 6.279

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

After features/support/hooks.rb:326 0.758
After features/support/hooks.rb:100 0.000
1:18.794
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.056
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" 33.790
Then I find very few patterns in the guest's memory 2.457

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.838
Then patterns cover at least 99% of the test FS size in the guest's memory 3.306

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

When I umount the USB drive 7.581
Then I find very few patterns in the guest's memory after 3 seconds 5.979

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# read cache
When I mount the USB drive again 4.693
And I read the content of the test FS 0.463
Then patterns cover at least 99% of the test FS size in the guest's memory 3.354

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

When I umount the USB drive 0.630
Then I find very few patterns in the guest's memory after 3 seconds 6.224

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 1.113
After features/support/hooks.rb:100 0.000
52.465
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.011
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 18.079
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.770
Then patterns cover at least 128 MiB in the guest's memory 3.047

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 21.152

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

After features/support/hooks.rb:326 3.552
After features/support/hooks.rb:100 0.000
7:39.576
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 6:54.976
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.970
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.151

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 3.518
After features/support/hooks.rb:100 0.012