Project Number Date
test_Tails_ISO_19139-arti-bridges 25 08 Dec 2024, 22:07

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 11:54.807 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.
20.663
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.320
And I prepare Tails for memory erasure tests 0.459
When I start a process allocating 128 MiB of memory with a known pattern 1.347
Then patterns cover at least 128 MiB in the guest's memory 3.428

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

When I kill the allocating process 0.892
Then I find very few patterns in the guest's memory after 3 seconds 6.214

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:326 2.611
After features/support/hooks.rb:100 0.000
23.897
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.800
And I prepare Tails for memory erasure tests 0.460
And I find very few patterns in the guest's memory 2.898

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.861
Then patterns cover at least 99% of the test FS size in the guest's memory 3.209

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

When I umount "/mnt" 0.600
Then I find very few patterns in the guest's memory after 3 seconds 6.065

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

After features/support/hooks.rb:326 1.057
After features/support/hooks.rb:100 0.000
50.708
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.600
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.351
Then I find very few patterns in the guest's memory 3.804

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.342
Then patterns cover at least 75% of the test FS size in the guest's memory 4.923

Pattern coverage: 86.974% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.385
Then I find very few patterns in the guest's memory after 3 seconds 6.551

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.570
Then patterns cover at least 99% of the test FS size in the guest's memory 5.365

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

When I umount the USB drive 0.495
Then I find very few patterns in the guest's memory after 3 seconds 6.615

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 1.143
After features/support/hooks.rb:100 0.000
1:21.167
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.400
And I prepare Tails for memory erasure tests 0.540
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.153
Then I find very few patterns in the guest's memory 3.301

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

# write cache
When I fill the USB drive with a known pattern 1.924
Then patterns cover at least 99% of the test FS size in the guest's memory 3.606

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

When I umount the USB drive 1.207
Then I find very few patterns in the guest's memory after 3 seconds 5.935

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

# read cache
When I mount the USB drive again 6.183
And I read the content of the test FS 1.485
Then patterns cover at least 99% of the test FS size in the guest's memory 4.052

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

When I umount the USB drive 1.330
Then I find very few patterns in the guest's memory after 3 seconds 6.048

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

After features/support/hooks.rb:326 0.924
After features/support/hooks.rb:100 0.000
56.391
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.152
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the root filesystem 21.417
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.030
Then patterns cover at least 128 MiB in the guest's memory 2.592

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 20.745

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 3.744
After features/support/hooks.rb:100 0.000
8:1.980
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 7:14.078
And I prepare Tails for memory erasure tests 1.823
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.029
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 22.035

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 3.545
After features/support/hooks.rb:100 0.013