Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 19 15 Nov 2024, 12:16

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 12:32.387 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.
20.830
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.489
And I prepare Tails for memory erasure tests 0.408
When I start a process allocating 128 MiB of memory with a known pattern 1.233
Then patterns cover at least 128 MiB in the guest's memory 3.501

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

When I kill the allocating process 0.728
Then I find very few patterns in the guest's memory after 3 seconds 6.470

Pattern coverage: 0.000% (0 MiB out of 843 MiB reference memory)

After features/support/hooks.rb:326 1.684
After features/support/hooks.rb:100 0.000
25.631
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.243
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.794

Pattern coverage: 0.000% (0 MiB out of 855 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.726
Then patterns cover at least 99% of the test FS size in the guest's memory 4.131

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

When I umount "/mnt" 0.595
Then I find very few patterns in the guest's memory after 3 seconds 6.714

Pattern coverage: 0.000% (0 MiB out of 855 MiB reference memory)

After features/support/hooks.rb:326 0.900
After features/support/hooks.rb:100 0.000
54.451
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.833
And I prepare Tails for memory erasure tests 0.388
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.022
Then I find very few patterns in the guest's memory 3.866

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

# write cache
When I fill the USB drive with a known pattern 2.765
Then patterns cover at least 75% of the test FS size in the guest's memory 4.287

Pattern coverage: 85.826% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 4.253
Then I find very few patterns in the guest's memory after 3 seconds 6.825

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

# read cache
When I mount the USB drive again 0.393
And I read the content of the test FS 0.496
Then patterns cover at least 99% of the test FS size in the guest's memory 4.076

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

When I umount the USB drive 1.412
Then I find very few patterns in the guest's memory after 3 seconds 6.830

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

After features/support/hooks.rb:326 2.121
After features/support/hooks.rb:100 0.000
1:17.683
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.861
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.914
Then I find very few patterns in the guest's memory 2.843

Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.192
Then patterns cover at least 99% of the test FS size in the guest's memory 3.049

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

When I umount the USB drive 1.191
Then I find very few patterns in the guest's memory after 3 seconds 5.544

Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)

# read cache
When I mount the USB drive again 5.098
And I read the content of the test FS 0.562
Then patterns cover at least 99% of the test FS size in the guest's memory 3.061

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

When I umount the USB drive 0.768
Then I find very few patterns in the guest's memory after 3 seconds 6.104

Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)

After features/support/hooks.rb:326 0.854
After features/support/hooks.rb:100 0.000
53.934
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.501
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the root filesystem 17.997
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.362
Then patterns cover at least 128 MiB in the guest's memory 3.344

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.320

Pattern coverage: 0.000% (0 MiB out of 856 MiB reference memory)

After features/support/hooks.rb:326 3.566
After features/support/hooks.rb:100 0.000
8:39.856
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 7:56.314
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.707
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.358

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 3.629
After features/support/hooks.rb:100 0.014