Project Number Date
test_Tails_ISO_20634-greeter-tps-upgrade-failure-fix 26 14 Nov 2024, 18:09

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 11:25.235 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.
24.051
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.296
And I prepare Tails for memory erasure tests 0.460
When I start a process allocating 128 MiB of memory with a known pattern 2.631
Then patterns cover at least 128 MiB in the guest's memory 4.379

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

When I kill the allocating process 1.577
Then I find very few patterns in the guest's memory after 3 seconds 6.705

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:326 1.489
After features/support/hooks.rb:100 0.000
27.409
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.181
And I prepare Tails for memory erasure tests 0.477
And I find very few patterns in the guest's memory 3.194

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.306
Then patterns cover at least 99% of the test FS size in the guest's memory 4.716

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

When I umount "/mnt" 0.761
Then I find very few patterns in the guest's memory after 3 seconds 6.771

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

After features/support/hooks.rb:326 3.380
After features/support/hooks.rb:100 0.000
49.996
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.272
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.137
Then I find very few patterns in the guest's memory 2.727

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.737
Then patterns cover at least 75% of the test FS size in the guest's memory 2.983

Pattern coverage: 92.996% (118 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.826
Then I find very few patterns in the guest's memory after 3 seconds 5.859

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# read cache
When I mount the USB drive again 0.275
And I read the content of the test FS 0.791
Then patterns cover at least 99% of the test FS size in the guest's memory 4.092

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

When I umount the USB drive 3.494
Then I find very few patterns in the guest's memory after 3 seconds 6.303

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 0.853
After features/support/hooks.rb:100 0.000
1:20.551
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.957
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.893
Then I find very few patterns in the guest's memory 3.153

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

# write cache
When I fill the USB drive with a known pattern 2.035
Then patterns cover at least 99% of the test FS size in the guest's memory 3.473

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

When I umount the USB drive 6.559
Then I find very few patterns in the guest's memory after 3 seconds 5.522

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

# read cache
When I mount the USB drive again 5.207
And I read the content of the test FS 0.433
Then patterns cover at least 99% of the test FS size in the guest's memory 2.722

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

When I umount the USB drive 0.848
Then I find very few patterns in the guest's memory after 3 seconds 5.286

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

After features/support/hooks.rb:326 0.845
After features/support/hooks.rb:100 0.000
50.669
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.126
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 16.343
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.251
Then patterns cover at least 128 MiB in the guest's memory 2.418

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.065

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 3.545
After features/support/hooks.rb:100 0.000
7:32.556
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 6:47.831
And I prepare Tails for memory erasure tests 0.582
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.958
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.170

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.012