Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 32 17 Nov 2024, 19:56

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 11:43.469 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.
22.903
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.986
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 2.783
Then patterns cover at least 128 MiB in the guest's memory 3.392

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

When I kill the allocating process 1.449
Then I find very few patterns in the guest's memory after 3 seconds 5.854

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

After features/support/hooks.rb:326 0.708
After features/support/hooks.rb:100 0.000
24.379
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.183
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 2.857

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 2.342
Then patterns cover at least 99% of the test FS size in the guest's memory 3.221

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

When I umount "/mnt" 1.173
Then I find very few patterns in the guest's memory after 3 seconds 6.139

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

After features/support/hooks.rb:326 1.003
After features/support/hooks.rb:100 0.000
51.548
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.167
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.088
Then I find very few patterns in the guest's memory 3.230

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

# write cache
When I fill the USB drive with a known pattern 4.217
Then patterns cover at least 75% of the test FS size in the guest's memory 3.397

Pattern coverage: 89.738% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 3.130
Then I find very few patterns in the guest's memory after 3 seconds 6.565

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

# read cache
When I mount the USB drive again 0.267
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 4.048

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

When I umount the USB drive 0.845
Then I find very few patterns in the guest's memory after 3 seconds 6.658

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

After features/support/hooks.rb:326 0.765
After features/support/hooks.rb:100 0.000
1:14.751
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.083
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.984
Then I find very few patterns in the guest's memory 2.427

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

# write cache
When I fill the USB drive with a known pattern 3.206
Then patterns cover at least 99% of the test FS size in the guest's memory 2.803

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

When I umount the USB drive 1.029
Then I find very few patterns in the guest's memory after 3 seconds 5.480

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

# read cache
When I mount the USB drive again 7.852
And I read the content of the test FS 0.437
Then patterns cover at least 99% of the test FS size in the guest's memory 2.911

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

When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 5.446

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

After features/support/hooks.rb:326 0.915
After features/support/hooks.rb:100 0.000
51.090
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.579
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the root filesystem 15.920
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.598
Then patterns cover at least 128 MiB in the guest's memory 2.703

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 20.873

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 3.496
After features/support/hooks.rb:100 0.000
7:58.795
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 7:12.235
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.672
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.448

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

After features/support/hooks.rb:326 3.524
After features/support/hooks.rb:100 0.010