Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 21 28 Nov 2024, 10:25

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 11:50.151 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.
21.466
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.644
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 1.286
Then patterns cover at least 128 MiB in the guest's memory 3.416

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

When I kill the allocating process 1.975
Then I find very few patterns in the guest's memory after 3 seconds 5.717

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 0.784
After features/support/hooks.rb:100 0.000
31.763
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.536
And I prepare Tails for memory erasure tests 0.390
And I find very few patterns in the guest's memory 3.559

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.474
Then patterns cover at least 99% of the test FS size in the guest's memory 4.546

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

When I umount "/mnt" 0.953
Then I find very few patterns in the guest's memory after 3 seconds 11.303

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 0.979
After features/support/hooks.rb:100 0.000
49.121
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.576
And I prepare Tails for memory erasure tests 0.557
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.973
Then I find very few patterns in the guest's memory 3.835

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.909
Then patterns cover at least 75% of the test FS size in the guest's memory 3.815

Pattern coverage: 87.369% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.882
Then I find very few patterns in the guest's memory after 3 seconds 5.840

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 0.463
And I read the content of the test FS 0.647
Then patterns cover at least 99% of the test FS size in the guest's memory 3.127

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

When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 5.775

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 0.761
After features/support/hooks.rb:100 0.000
1:13.844
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.161
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.234
Then I find very few patterns in the guest's memory 2.873

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.962
Then patterns cover at least 99% of the test FS size in the guest's memory 2.187

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

When I umount the USB drive 0.892
Then I find very few patterns in the guest's memory after 3 seconds 6.389

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# read cache
When I mount the USB drive again 5.403
And I read the content of the test FS 0.586
Then patterns cover at least 99% of the test FS size in the guest's memory 3.505

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

When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory after 3 seconds 5.384

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 0.878
After features/support/hooks.rb:100 0.000
52.856
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.091
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the root filesystem 18.968
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.041
Then patterns cover at least 128 MiB in the guest's memory 2.535

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.763

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

After features/support/hooks.rb:326 3.629
After features/support/hooks.rb:100 0.000
8:1.099
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:15.651
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.673
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.345

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:326 3.574
After features/support/hooks.rb:100 0.015