Project Number Date
test_Tails_ISO_devel 3527 02 Oct 2024, 12:17

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 11:29.700 Passed
Tags: @product @slow @not_release_blocker
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.
Tags: @product @slow @not_release_blocker
23.400
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.823
And I prepare Tails for memory erasure tests 0.570
When I start a process allocating 128 MiB of memory with a known pattern 1.318
Then patterns cover at least 128 MiB in the guest's memory 3.696 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.003
Then I find very few patterns in the guest's memory after 3 seconds 5.988 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.465
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.273
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.719
And I prepare Tails for memory erasure tests 0.449
And I find very few patterns in the guest's memory 3.202 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.157
Then patterns cover at least 99% of the test FS size in the guest's memory 4.350 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.771
Then I find very few patterns in the guest's memory after 3 seconds 7.622 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.929
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.347
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.735
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.542
Then I find very few patterns in the guest's memory 9.029 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.329
Then patterns cover at least 75% of the test FS size in the guest's memory 5.097 
Pattern coverage: 87.075% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.596
Then I find very few patterns in the guest's memory after 3 seconds 8.722 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 0.313
And I read the content of the test FS 0.545
Then patterns cover at least 99% of the test FS size in the guest's memory 3.807 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.547
Then I find very few patterns in the guest's memory after 3 seconds 6.620 
Pattern coverage: 0.001% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 0.801
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.308
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.029
And I prepare Tails for memory erasure tests 0.729
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.497
Then I find very few patterns in the guest's memory 3.118 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.988
Then patterns cover at least 99% of the test FS size in the guest's memory 3.480 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.135
Then I find very few patterns in the guest's memory after 3 seconds 6.520 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.775
And I read the content of the test FS 0.495
Then patterns cover at least 99% of the test FS size in the guest's memory 3.576 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 6.286 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.125
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.226
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.743
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 18.188
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.380
Then patterns cover at least 128 MiB in the guest's memory 3.743 
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 20.722 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.475
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.142
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 6:39.410
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.027
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.234 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.012