Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 14 09 Nov 2024, 11:55

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 12:4.957 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.
22.710
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.303
And I prepare Tails for memory erasure tests 0.634
When I start a process allocating 128 MiB of memory with a known pattern 2.401
Then patterns cover at least 128 MiB in the guest's memory 3.696

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

When I kill the allocating process 1.275
Then I find very few patterns in the guest's memory after 3 seconds 6.399

Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)

After features/support/hooks.rb:326 0.951
After features/support/hooks.rb:100 0.000
27.523
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.904
And I prepare Tails for memory erasure tests 0.671
And I find very few patterns in the guest's memory 3.909

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.214
Then patterns cover at least 99% of the test FS size in the guest's memory 4.200

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

When I umount "/mnt" 1.085
Then I find very few patterns in the guest's memory after 3 seconds 6.537

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

After features/support/hooks.rb:326 0.823
After features/support/hooks.rb:100 0.000
54.473
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.201
And I prepare Tails for memory erasure tests 0.587
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.156
Then I find very few patterns in the guest's memory 3.145

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.170
Then patterns cover at least 75% of the test FS size in the guest's memory 4.401

Pattern coverage: 92.200% (117 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.941
Then I find very few patterns in the guest's memory after 3 seconds 6.690

Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)

# read cache
When I mount the USB drive again 1.042
And I read the content of the test FS 0.796
Then patterns cover at least 99% of the test FS size in the guest's memory 5.921

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

When I umount the USB drive 0.826
Then I find very few patterns in the guest's memory after 3 seconds 6.590

Pattern coverage: 0.001% (0 MiB out of 865 MiB reference memory)

After features/support/hooks.rb:326 0.911
After features/support/hooks.rb:100 0.000
1:22.032
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.410
And I prepare Tails for memory erasure tests 0.673
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.379
Then I find very few patterns in the guest's memory 2.793

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.314
Then patterns cover at least 99% of the test FS size in the guest's memory 2.719

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

When I umount the USB drive 2.016
Then I find very few patterns in the guest's memory after 3 seconds 5.667

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# read cache
When I mount the USB drive again 5.033
And I read the content of the test FS 0.503
Then patterns cover at least 99% of the test FS size in the guest's memory 3.518

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

When I umount the USB drive 1.963
Then I find very few patterns in the guest's memory after 3 seconds 6.038

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

After features/support/hooks.rb:326 0.880
After features/support/hooks.rb:100 0.000
51.544
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.258
And I prepare Tails for memory erasure tests 0.557
When I fill a 128 MiB file with a known pattern on the root filesystem 15.283
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.359
Then patterns cover at least 128 MiB in the guest's memory 3.207

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

When I trigger shutdown 0.088
Then I find very few patterns in the guest's memory after 20 seconds 20.790

Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)

After features/support/hooks.rb:326 3.553
After features/support/hooks.rb:100 0.000
8:6.672
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:18.673
And I prepare Tails for memory erasure tests 0.811
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.705
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.468

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 3.600
After features/support/hooks.rb:100 0.014