Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 7 14 Nov 2024, 10:34

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 11:41.415 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.
24.140
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.164
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 2.538
Then patterns cover at least 128 MiB in the guest's memory 4.700

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

When I kill the allocating process 1.570
Then I find very few patterns in the guest's memory after 3 seconds 6.736

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

After features/support/hooks.rb:326 0.816
After features/support/hooks.rb:100 0.000
26.558
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.208
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 3.808

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 2.343
Then patterns cover at least 99% of the test FS size in the guest's memory 4.167

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

When I umount "/mnt" 0.909
Then I find very few patterns in the guest's memory after 3 seconds 6.718

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

After features/support/hooks.rb:326 0.778
After features/support/hooks.rb:100 0.000
49.966
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.094
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.085
Then I find very few patterns in the guest's memory 3.824

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.715
Then patterns cover at least 75% of the test FS size in the guest's memory 4.152

Pattern coverage: 88.667% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.977
Then I find very few patterns in the guest's memory after 3 seconds 6.556

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 0.607
Then patterns cover at least 99% of the test FS size in the guest's memory 3.909

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

When I umount the USB drive 0.735
Then I find very few patterns in the guest's memory after 3 seconds 6.585

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 0.792
After features/support/hooks.rb:100 0.000
1:18.336
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.513
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.315
Then I find very few patterns in the guest's memory 3.276

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

# write cache
When I fill the USB drive with a known pattern 2.034
Then patterns cover at least 99% of the test FS size in the guest's memory 3.599

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

When I umount the USB drive 1.999
Then I find very few patterns in the guest's memory after 3 seconds 5.793

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

# read cache
When I mount the USB drive again 6.530
And I read the content of the test FS 0.682
Then patterns cover at least 99% of the test FS size in the guest's memory 2.761

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.908
Then I find very few patterns in the guest's memory after 3 seconds 5.495

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

After features/support/hooks.rb:326 0.841
After features/support/hooks.rb:100 0.000
49.329
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.209
And I prepare Tails for memory erasure tests 0.426
When I fill a 128 MiB file with a known pattern on the root filesystem 14.647
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.876
Then patterns cover at least 128 MiB in the guest's memory 3.249

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

When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.901

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

After features/support/hooks.rb:326 3.512
After features/support/hooks.rb:100 0.000
7:53.083
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 7:10.174
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.262
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.195

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

After features/support/hooks.rb:326 3.535
After features/support/hooks.rb:100 0.010