Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 25 02 Dec 2024, 10:16

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 11:20.308 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.
21.169
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.940
And I prepare Tails for memory erasure tests 0.392
When I start a process allocating 128 MiB of memory with a known pattern 2.340
Then patterns cover at least 128 MiB in the guest's memory 3.301

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

When I kill the allocating process 1.341
Then I find very few patterns in the guest's memory after 3 seconds 5.853

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 0.939
After features/support/hooks.rb:100 0.000
30.930
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.038
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 4.147

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.264
Then patterns cover at least 99% of the test FS size in the guest's memory 7.821

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

When I umount "/mnt" 0.757
Then I find very few patterns in the guest's memory after 3 seconds 6.500

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 1.048
After features/support/hooks.rb:100 0.000
53.805
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.013
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.097
Then I find very few patterns in the guest's memory 3.593

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

# write cache
When I fill the USB drive with a known pattern 6.898
Then patterns cover at least 75% of the test FS size in the guest's memory 4.261

Pattern coverage: 91.667% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.931
Then I find very few patterns in the guest's memory after 3 seconds 6.437

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

# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 0.547
Then patterns cover at least 99% of the test FS size in the guest's memory 3.948

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

When I umount the USB drive 0.799
Then I find very few patterns in the guest's memory after 3 seconds 6.612

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

After features/support/hooks.rb:326 1.459
After features/support/hooks.rb:100 0.000
1:15.683
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.987
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.277
Then I find very few patterns in the guest's memory 2.558

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

# write cache
When I fill the USB drive with a known pattern 1.880
Then patterns cover at least 99% of the test FS size in the guest's memory 2.626

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

When I umount the USB drive 1.077
Then I find very few patterns in the guest's memory after 3 seconds 5.233

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

# read cache
When I mount the USB drive again 5.947
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 2.749

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

When I umount the USB drive 0.796
Then I find very few patterns in the guest's memory after 3 seconds 5.701

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

After features/support/hooks.rb:326 0.741
After features/support/hooks.rb:100 0.000
52.645
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.179
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the root filesystem 16.846
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.405
Then patterns cover at least 128 MiB in the guest's memory 2.973

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.815

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

After features/support/hooks.rb:326 3.550
After features/support/hooks.rb:100 0.000
7:26.073
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 6:39.582
And I prepare Tails for memory erasure tests 1.144
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.193
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.134

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

After features/support/hooks.rb:326 3.535
After features/support/hooks.rb:100 0.012