Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 23 30 Nov 2024, 10:21

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 11:12.156 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.
20.536
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.472
When I start a process allocating 128 MiB of memory with a known pattern 1.237
Then patterns cover at least 128 MiB in the guest's memory 3.478

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

When I kill the allocating process 1.386
Then I find very few patterns in the guest's memory after 3 seconds 5.920

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

After features/support/hooks.rb:326 0.833
After features/support/hooks.rb:100 0.000
24.550
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.916
And I prepare Tails for memory erasure tests 0.616
And I find very few patterns in the guest's memory 2.791

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.715
Then patterns cover at least 99% of the test FS size in the guest's memory 5.251

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

When I umount "/mnt" 0.524
Then I find very few patterns in the guest's memory after 3 seconds 5.735

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

After features/support/hooks.rb:326 1.333
After features/support/hooks.rb:100 0.000
47.746
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.968
And I prepare Tails for memory erasure tests 0.370
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.041
Then I find very few patterns in the guest's memory 3.002

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

# write cache
When I fill the USB drive with a known pattern 2.383
Then patterns cover at least 75% of the test FS size in the guest's memory 4.065

Pattern coverage: 88.110% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.218
Then I find very few patterns in the guest's memory after 3 seconds 6.535

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

# read cache
When I mount the USB drive again 0.325
And I read the content of the test FS 0.850
Then patterns cover at least 99% of the test FS size in the guest's memory 3.901

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

When I umount the USB drive 0.548
Then I find very few patterns in the guest's memory after 3 seconds 6.534

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

After features/support/hooks.rb:326 0.787
After features/support/hooks.rb:100 0.000
1:19.012
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.967
And I prepare Tails for memory erasure tests 0.547
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.622
Then I find very few patterns in the guest's memory 3.037

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

# write cache
When I fill the USB drive with a known pattern 2.228
Then patterns cover at least 99% of the test FS size in the guest's memory 3.515

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

When I umount the USB drive 0.984
Then I find very few patterns in the guest's memory after 3 seconds 6.257

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

# read cache
When I mount the USB drive again 5.299
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 3.477

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

When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory after 3 seconds 5.985

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

After features/support/hooks.rb:326 0.881
After features/support/hooks.rb:100 0.000
55.201
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.929
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the root filesystem 20.545
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.303
Then patterns cover at least 128 MiB in the guest's memory 3.091

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.837

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

After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.000
7:25.109
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 6:40.280
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.290
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.117

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.015