Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 24 17 Dec 2024, 23:47

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 11:34.773 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.
22.111
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.125
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.484
Then patterns cover at least 128 MiB in the guest's memory 3.499

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

When I kill the allocating process 1.452
Then I find very few patterns in the guest's memory after 3 seconds 6.126

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

After features/support/hooks.rb:326 1.453
After features/support/hooks.rb:100 0.000
25.043
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.475
And I prepare Tails for memory erasure tests 0.613
And I find very few patterns in the guest's memory 3.171

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.568
Then patterns cover at least 99% of the test FS size in the guest's memory 3.363

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

When I umount "/mnt" 0.760
Then I find very few patterns in the guest's memory after 3 seconds 6.090

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 0.786
After features/support/hooks.rb:100 0.000
50.833
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.176
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.074
Then I find very few patterns in the guest's memory 3.700

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.242
Then patterns cover at least 75% of the test FS size in the guest's memory 4.270

Pattern coverage: 89.365% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.519
Then I find very few patterns in the guest's memory after 3 seconds 6.482

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 1.289
And I read the content of the test FS 1.131
Then patterns cover at least 99% of the test FS size in the guest's memory 3.650

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

When I umount the USB drive 0.722
Then I find very few patterns in the guest's memory after 3 seconds 6.129

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 1.234
After features/support/hooks.rb:100 0.000
1:24.032
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.116
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.639
Then I find very few patterns in the guest's memory 2.740

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.067
Then patterns cover at least 99% of the test FS size in the guest's memory 3.445

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

When I umount the USB drive 1.014
Then I find very few patterns in the guest's memory after 3 seconds 6.011

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

# read cache
When I mount the USB drive again 5.236
And I read the content of the test FS 0.552
Then patterns cover at least 99% of the test FS size in the guest's memory 3.289

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

When I umount the USB drive 0.702
Then I find very few patterns in the guest's memory after 3 seconds 5.788

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

After features/support/hooks.rb:326 2.315
After features/support/hooks.rb:100 0.000
51.156
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.190
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 16.683
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.590
Then patterns cover at least 128 MiB in the guest's memory 2.538

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 20.717

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

After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.000
7:41.595
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 6:57.577
And I prepare Tails for memory erasure tests 0.644
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.180
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.179

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

After features/support/hooks.rb:326 3.597
After features/support/hooks.rb:100 0.014