Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 36 21 Nov 2024, 20:10

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 11:55.152 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.
25.424
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.854
And I prepare Tails for memory erasure tests 0.592
When I start a process allocating 128 MiB of memory with a known pattern 1.282
Then patterns cover at least 128 MiB in the guest's memory 4.121

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

When I kill the allocating process 2.769
Then I find very few patterns in the guest's memory after 3 seconds 5.803

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 0.835
After features/support/hooks.rb:100 0.000
24.619
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.345
And I prepare Tails for memory erasure tests 0.535
And I find very few patterns in the guest's memory 3.356

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.977
Then patterns cover at least 99% of the test FS size in the guest's memory 3.699

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

When I umount "/mnt" 0.452
Then I find very few patterns in the guest's memory after 3 seconds 6.252

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:326 1.353
After features/support/hooks.rb:100 0.000
52.652
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.226
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.061
Then I find very few patterns in the guest's memory 3.762

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

# write cache
When I fill the USB drive with a known pattern 2.629
Then patterns cover at least 75% of the test FS size in the guest's memory 4.434

Pattern coverage: 87.029% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 3.201
Then I find very few patterns in the guest's memory after 3 seconds 6.265

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

# read cache
When I mount the USB drive again 0.827
And I read the content of the test FS 0.581
Then patterns cover at least 99% of the test FS size in the guest's memory 3.998

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

When I umount the USB drive 1.442
Then I find very few patterns in the guest's memory after 3 seconds 6.764

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

After features/support/hooks.rb:326 1.148
After features/support/hooks.rb:100 0.000
1:25.725
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.892
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.108
Then I find very few patterns in the guest's memory 2.739

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.267
Then patterns cover at least 99% of the test FS size in the guest's memory 3.170

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

When I umount the USB drive 3.104
Then I find very few patterns in the guest's memory after 3 seconds 6.129

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# read cache
When I mount the USB drive again 6.488
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 3.882

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

When I umount the USB drive 0.995
Then I find very few patterns in the guest's memory after 3 seconds 6.093

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 1.456
After features/support/hooks.rb:100 0.000
52.817
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.356
And I prepare Tails for memory erasure tests 0.581
When I fill a 128 MiB file with a known pattern on the root filesystem 17.810
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.651
Then patterns cover at least 128 MiB in the guest's memory 2.592

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 20.812

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

After features/support/hooks.rb:326 3.511
After features/support/hooks.rb:100 0.000
7:53.912
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 7:9.057
And I prepare Tails for memory erasure tests 0.575
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.069
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.195

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

After features/support/hooks.rb:326 3.555
After features/support/hooks.rb:100 0.012