Project Number Date
test_Tails_ISO_devel 3690 14 Feb 2025, 10:04

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 11:53.043 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
23.531
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.012
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 2.257
Then patterns cover at least 128 MiB in the guest's memory 3.383 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.241
Then I find very few patterns in the guest's memory after 5 seconds 8.137 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:326 0.983
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.100
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.642
And I prepare Tails for memory erasure tests 0.470
And I find very few patterns in the guest's memory 3.284 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.960
Then patterns cover at least 99% of the test FS size in the guest's memory 4.014 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.111
Then I find very few patterns in the guest's memory after 3 seconds 6.615 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.704
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.913
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.184
Then I find very few patterns in the guest's memory 3.793 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.193
Then patterns cover at least 75% of the test FS size in the guest's memory 4.160 
Pattern coverage: 87.528% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.782
Then I find very few patterns in the guest's memory after 3 seconds 7.096 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 0.330
And I read the content of the test FS 0.714
Then patterns cover at least 99% of the test FS size in the guest's memory 5.533 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.333
Then I find very few patterns in the guest's memory after 3 seconds 6.214 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 0.849
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.383
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.129
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.941
Then I find very few patterns in the guest's memory 2.394 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.896
Then patterns cover at least 99% of the test FS size in the guest's memory 2.826 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.850
Then I find very few patterns in the guest's memory after 3 seconds 5.486 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 4.841
And I read the content of the test FS 0.515
Then patterns cover at least 99% of the test FS size in the guest's memory 3.300 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.722
Then I find very few patterns in the guest's memory after 3 seconds 5.989 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.890
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.865
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.251
And I prepare Tails for memory erasure tests 0.616
When I fill a 128 MiB file with a known pattern on the root filesystem 19.230
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.444
Then patterns cover at least 128 MiB in the guest's memory 3.551 
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 20.754 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.584
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.459
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 7:4.026
And I prepare Tails for memory erasure tests 0.532
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.684
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.203 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.012