Project Number Date
test_Tails_ISO_20531-early-reporting-of-bad-devices 23 17 Dec 2024, 00:28

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 11:18.205 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.
20.315
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.097
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 1.329
Then patterns cover at least 128 MiB in the guest's memory 4.075

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

When I kill the allocating process 0.255
Then I find very few patterns in the guest's memory after 3 seconds 6.129

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 1.058
After features/support/hooks.rb:100 0.000
25.150
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.875
And I prepare Tails for memory erasure tests 0.472
And I find very few patterns in the guest's memory 2.999

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.907
Then patterns cover at least 99% of the test FS size in the guest's memory 3.795

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

When I umount "/mnt" 0.910
Then I find very few patterns in the guest's memory after 3 seconds 6.190

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 0.910
After features/support/hooks.rb:100 0.000
49.673
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.180
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.013
Then I find very few patterns in the guest's memory 3.248

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

# write cache
When I fill the USB drive with a known pattern 2.561
Then patterns cover at least 75% of the test FS size in the guest's memory 4.388

Pattern coverage: 88.009% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.263
Then I find very few patterns in the guest's memory after 3 seconds 6.246

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

# read cache
When I mount the USB drive again 0.290
And I read the content of the test FS 0.568
Then patterns cover at least 99% of the test FS size in the guest's memory 3.735

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

When I umount the USB drive 0.793
Then I find very few patterns in the guest's memory after 3 seconds 7.935

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

After features/support/hooks.rb:326 1.684
After features/support/hooks.rb:100 0.000
1:19.153
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 0.516
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.669
Then I find very few patterns in the guest's memory 2.873

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.943
Then patterns cover at least 99% of the test FS size in the guest's memory 3.493

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

When I umount the USB drive 1.310
Then I find very few patterns in the guest's memory after 3 seconds 6.496

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# read cache
When I mount the USB drive again 5.884
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 3.414

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

When I umount the USB drive 0.784
Then I find very few patterns in the guest's memory after 3 seconds 5.953

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 1.734
After features/support/hooks.rb:100 0.000
52.744
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.265
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the root filesystem 17.819
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.413
Then patterns cover at least 128 MiB in the guest's memory 2.919

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 20.866

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 3.559
After features/support/hooks.rb:100 0.000
7:31.168
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 6:42.294
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.202
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.221

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

After features/support/hooks.rb:326 3.737
After features/support/hooks.rb:100 0.012