Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 19 13 Dec 2024, 17:31

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 11:33.868 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.
21.082
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.103
And I prepare Tails for memory erasure tests 0.410
When I start a process allocating 128 MiB of memory with a known pattern 2.421
Then patterns cover at least 128 MiB in the guest's memory 3.721

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

When I kill the allocating process 0.282
Then I find very few patterns in the guest's memory after 3 seconds 6.144

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

After features/support/hooks.rb:326 1.051
After features/support/hooks.rb:100 0.000
25.076
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.094
And I prepare Tails for memory erasure tests 0.373
And I find very few patterns in the guest's memory 3.165

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.969
Then patterns cover at least 99% of the test FS size in the guest's memory 3.656

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

When I umount "/mnt" 1.699
Then I find very few patterns in the guest's memory after 3 seconds 6.117

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 0.892
After features/support/hooks.rb:100 0.000
49.150
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.000
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.017
Then I find very few patterns in the guest's memory 3.276

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.885
Then patterns cover at least 75% of the test FS size in the guest's memory 3.623

Pattern coverage: 89.089% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.584
Then I find very few patterns in the guest's memory after 3 seconds 6.161

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# read cache
When I mount the USB drive again 0.278
And I read the content of the test FS 0.617
Then patterns cover at least 99% of the test FS size in the guest's memory 3.474

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

When I umount the USB drive 1.004
Then I find very few patterns in the guest's memory after 3 seconds 5.815

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 2.380
After features/support/hooks.rb:100 0.000
1:16.224
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.511
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.534
Then I find very few patterns in the guest's memory 2.661

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

# write cache
When I fill the USB drive with a known pattern 2.175
Then patterns cover at least 99% of the test FS size in the guest's memory 3.055

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

When I umount the USB drive 1.063
Then I find very few patterns in the guest's memory after 3 seconds 5.672

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

# read cache
When I mount the USB drive again 5.935
And I read the content of the test FS 0.512
Then patterns cover at least 99% of the test FS size in the guest's memory 2.860

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

When I umount the USB drive 1.247
Then I find very few patterns in the guest's memory after 3 seconds 5.532

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

After features/support/hooks.rb:326 0.846
After features/support/hooks.rb:100 0.000
51.605
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.942
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 15.660
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.120
Then patterns cover at least 128 MiB in the guest's memory 2.589

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 20.874

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
7:50.727
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 7:5.717
And I prepare Tails for memory erasure tests 0.490
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.300
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.201

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

After features/support/hooks.rb:326 3.553
After features/support/hooks.rb:100 0.012