Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 16 12 Dec 2024, 23:52

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 12:16.922 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.
23.035
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.256
And I prepare Tails for memory erasure tests 0.463
When I start a process allocating 128 MiB of memory with a known pattern 2.505
Then patterns cover at least 128 MiB in the guest's memory 3.957

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

When I kill the allocating process 1.633
Then I find very few patterns in the guest's memory after 3 seconds 6.219

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

After features/support/hooks.rb:326 0.880
After features/support/hooks.rb:100 0.000
26.757
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.705
And I prepare Tails for memory erasure tests 0.493
And I find very few patterns in the guest's memory 3.329

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.716
Then patterns cover at least 99% of the test FS size in the guest's memory 3.420

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

When I umount "/mnt" 0.871
Then I find very few patterns in the guest's memory after 3 seconds 6.220

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

After features/support/hooks.rb:326 0.802
After features/support/hooks.rb:100 0.000
58.508
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.934
And I prepare Tails for memory erasure tests 0.578
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.400
Then I find very few patterns in the guest's memory 3.195

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.219
Then patterns cover at least 75% of the test FS size in the guest's memory 3.840

Pattern coverage: 92.411% (117 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.379
Then I find very few patterns in the guest's memory after 3 seconds 6.286

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# read cache
When I mount the USB drive again 3.572
And I read the content of the test FS 2.246
Then patterns cover at least 99% of the test FS size in the guest's memory 4.005

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

When I umount the USB drive 4.783
Then I find very few patterns in the guest's memory after 3 seconds 6.064

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:326 0.915
After features/support/hooks.rb:100 0.000
1:19.352
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.415
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.105
Then I find very few patterns in the guest's memory 2.687

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

# write cache
When I fill the USB drive with a known pattern 2.424
Then patterns cover at least 99% of the test FS size in the guest's memory 3.157

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

When I umount the USB drive 1.758
Then I find very few patterns in the guest's memory after 3 seconds 5.782

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

# read cache
When I mount the USB drive again 6.231
And I read the content of the test FS 0.556
Then patterns cover at least 99% of the test FS size in the guest's memory 3.118

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

When I umount the USB drive 1.958
Then I find very few patterns in the guest's memory after 3 seconds 5.701

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

After features/support/hooks.rb:326 1.112
After features/support/hooks.rb:100 0.000
58.571
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.406
And I prepare Tails for memory erasure tests 0.573
When I fill a 128 MiB file with a known pattern on the root filesystem 18.137
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.826
Then patterns cover at least 128 MiB in the guest's memory 2.632

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

When I trigger shutdown 0.044
Then I find very few patterns in the guest's memory after 20 seconds 20.949

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:326 3.573
After features/support/hooks.rb:100 0.000
8:10.697
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 7:26.197
And I prepare Tails for memory erasure tests 0.780
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.575
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.130

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

After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.011