Project Number Date
test_Tails_ISO_devel 3572 31 Oct 2024, 15:48

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 12:16.587 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.
21.617
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.425
And I prepare Tails for memory erasure tests 0.464
When I start a process allocating 128 MiB of memory with a known pattern 2.542
Then patterns cover at least 128 MiB in the guest's memory 3.710

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

When I kill the allocating process 0.251
Then I find very few patterns in the guest's memory after 3 seconds 6.222

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

After features/support/hooks.rb:326 1.819
After features/support/hooks.rb:100 0.000
27.374
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.749
And I prepare Tails for memory erasure tests 0.828
And I find very few patterns in the guest's memory 3.236

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.722
Then patterns cover at least 99% of the test FS size in the guest's memory 4.103

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

When I umount "/mnt" 1.012
Then I find very few patterns in the guest's memory after 3 seconds 6.721

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 1.080
After features/support/hooks.rb:100 0.000
51.810
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 8.424
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.106
Then I find very few patterns in the guest's memory 3.495

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.138
Then patterns cover at least 75% of the test FS size in the guest's memory 4.423

Pattern coverage: 93.737% (119 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.836
Then I find very few patterns in the guest's memory after 3 seconds 7.147

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# read cache
When I mount the USB drive again 0.286
And I read the content of the test FS 0.686
Then patterns cover at least 99% of the test FS size in the guest's memory 4.151

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

When I umount the USB drive 1.420
Then I find very few patterns in the guest's memory after 3 seconds 6.266

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:326 0.785
After features/support/hooks.rb:100 0.000
1:25.351
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.089
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.234
Then I find very few patterns in the guest's memory 2.541

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.289
Then patterns cover at least 99% of the test FS size in the guest's memory 3.494

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

When I umount the USB drive 1.389
Then I find very few patterns in the guest's memory after 3 seconds 6.892

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# read cache
When I mount the USB drive again 7.308
And I read the content of the test FS 0.742
Then patterns cover at least 99% of the test FS size in the guest's memory 4.205

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

When I umount the USB drive 1.639
Then I find very few patterns in the guest's memory after 3 seconds 8.129

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 1.375
After features/support/hooks.rb:100 0.000
54.522
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.239
And I prepare Tails for memory erasure tests 0.658
When I fill a 128 MiB file with a known pattern on the root filesystem 15.494
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.948
Then patterns cover at least 128 MiB in the guest's memory 6.232

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.934

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

After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
8:15.910
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 7:29.441
And I prepare Tails for memory erasure tests 0.584
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.586
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.283

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:326 3.554
After features/support/hooks.rb:100 0.012