Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 22 29 Nov 2024, 10:27

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 11:8.797 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.
23.083
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.113
And I prepare Tails for memory erasure tests 0.574
When I start a process allocating 128 MiB of memory with a known pattern 2.377
Then patterns cover at least 128 MiB in the guest's memory 3.448

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

When I kill the allocating process 1.890
Then I find very few patterns in the guest's memory after 3 seconds 6.678

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

After features/support/hooks.rb:326 0.822
After features/support/hooks.rb:100 0.000
26.091
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.898
And I prepare Tails for memory erasure tests 0.555
And I find very few patterns in the guest's memory 3.318

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.732
Then patterns cover at least 99% of the test FS size in the guest's memory 3.290

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

When I umount "/mnt" 0.759
Then I find very few patterns in the guest's memory after 3 seconds 6.536

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:326 1.116
After features/support/hooks.rb:100 0.000
48.457
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.359
And I prepare Tails for memory erasure tests 0.482
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.131
Then I find very few patterns in the guest's memory 3.152

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.668
Then patterns cover at least 75% of the test FS size in the guest's memory 4.536

Pattern coverage: 87.228% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.326
Then I find very few patterns in the guest's memory after 3 seconds 5.859

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# read cache
When I mount the USB drive again 0.304
And I read the content of the test FS 0.471
Then patterns cover at least 99% of the test FS size in the guest's memory 3.907

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

When I umount the USB drive 0.691
Then I find very few patterns in the guest's memory after 3 seconds 6.564

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:326 1.033
After features/support/hooks.rb:100 0.000
1:13.780
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.594
And I prepare Tails for memory erasure tests 0.601
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.093
Then I find very few patterns in the guest's memory 2.875

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.900
Then patterns cover at least 99% of the test FS size in the guest's memory 2.684

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

When I umount the USB drive 0.934
Then I find very few patterns in the guest's memory after 3 seconds 5.316

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# read cache
When I mount the USB drive again 5.171
And I read the content of the test FS 0.405
Then patterns cover at least 99% of the test FS size in the guest's memory 3.245

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

When I umount the USB drive 0.994
Then I find very few patterns in the guest's memory after 3 seconds 5.960

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:326 0.910
After features/support/hooks.rb:100 0.000
49.780
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.217
And I prepare Tails for memory erasure tests 0.547
When I fill a 128 MiB file with a known pattern on the root filesystem 15.815
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.976
Then patterns cover at least 128 MiB in the guest's memory 2.541

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.668

Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)

After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.000
7:27.603
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 6:42.397
And I prepare Tails for memory erasure tests 1.530
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.405
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.257

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.011