Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 26 18 Dec 2024, 04:11

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 10:24.610 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.
18.683
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.063
And I prepare Tails for memory erasure tests 0.362
When I start a process allocating 128 MiB of memory with a known pattern 1.263
Then patterns cover at least 128 MiB in the guest's memory 3.296

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

When I kill the allocating process 0.349
Then I find very few patterns in the guest's memory after 3 seconds 5.348

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

After features/support/hooks.rb:326 0.887
After features/support/hooks.rb:100 0.000
22.514
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.099
And I prepare Tails for memory erasure tests 0.359
And I find very few patterns in the guest's memory 2.723

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.657
Then patterns cover at least 99% of the test FS size in the guest's memory 3.337

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

When I umount "/mnt" 0.495
Then I find very few patterns in the guest's memory after 3 seconds 5.841

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

After features/support/hooks.rb:326 0.833
After features/support/hooks.rb:100 0.000
45.281
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.182
And I prepare Tails for memory erasure tests 0.529
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.149
Then I find very few patterns in the guest's memory 2.706

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

# write cache
When I fill the USB drive with a known pattern 2.785
Then patterns cover at least 75% of the test FS size in the guest's memory 3.245

Pattern coverage: 87.574% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.223
Then I find very few patterns in the guest's memory after 3 seconds 5.745

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

# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.728
Then patterns cover at least 99% of the test FS size in the guest's memory 3.648

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

When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory after 3 seconds 6.563

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

After features/support/hooks.rb:326 0.841
After features/support/hooks.rb:100 0.000
1:10.117
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.172
And I prepare Tails for memory erasure tests 0.613
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.806
Then I find very few patterns in the guest's memory 2.752

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

# write cache
When I fill the USB drive with a known pattern 2.151
Then patterns cover at least 99% of the test FS size in the guest's memory 2.675

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

When I umount the USB drive 1.059
Then I find very few patterns in the guest's memory after 3 seconds 5.387

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

# read cache
When I mount the USB drive again 4.839
And I read the content of the test FS 0.408
Then patterns cover at least 99% of the test FS size in the guest's memory 2.631

Pattern coverage: 106.116% (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 5.843

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

After features/support/hooks.rb:326 1.089
After features/support/hooks.rb:100 0.000
52.291
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.956
And I prepare Tails for memory erasure tests 0.504
When I fill a 128 MiB file with a known pattern on the root filesystem 18.255
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.820
Then patterns cover at least 128 MiB in the guest's memory 2.997

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

When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.733

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 3.492
After features/support/hooks.rb:100 0.000
6:55.722
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 6:13.642
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.507
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.157

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.559
After features/support/hooks.rb:100 0.012