Project Number Date
test_Tails_ISO_stable 4846 17 May 2024, 12:12

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:5.225 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
20.368
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.202
And I prepare Tails for memory erasure tests 0.458
When I start a process allocating 128 MiB of memory with a known pattern 2.335
Then patterns cover at least 128 MiB in the guest's memory 3.739 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.339
Then I find very few patterns in the guest's memory 4.293 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:305 0.942
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
24.040
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.224
And I prepare Tails for memory erasure tests 0.475
And I find very few patterns in the guest's memory 4.304 
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 1.861
Then patterns cover at least 99% of the test FS size in the guest's memory 4.004 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.794
Then I find very few patterns in the guest's memory 4.376 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:305 1.436
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
45.218
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.283
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.181
Then I find very few patterns in the guest's memory 4.907 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.845
Then patterns cover at least 86% of the test FS size in the guest's memory 3.901 
Pattern coverage: 89.680% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.787
Then I find very few patterns in the guest's memory 4.094 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.273
And I read the content of the test FS 0.634
Then patterns cover at least 99% of the test FS size in the guest's memory 3.882 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.176
Then I find very few patterns in the guest's memory 3.850 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:305 0.928
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:12.546
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.065
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.197
Then I find very few patterns in the guest's memory 3.727 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.917
Then patterns cover at least 99% of the test FS size in the guest's memory 4.746 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.006
Then I find very few patterns in the guest's memory 4.710 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 5.691
And I read the content of the test FS 0.475
Then patterns cover at least 99% of the test FS size in the guest's memory 2.979 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.650
Then I find very few patterns in the guest's memory 3.912 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:305 0.802
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:3.240
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 21.100
And I prepare Tails for memory erasure tests 0.381
When I fill a 128 MiB file with a known pattern on the root filesystem 15.202
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.911
Then patterns cover at least 128 MiB in the guest's memory 2.822 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
And I wait 20 seconds 20.003 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.805 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:305 3.530
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:19.811
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:35.028
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.171
When I trigger shutdown 0.010
And I wait 20 seconds 20.005 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.225 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:305 3.509
After features/support/hooks.rb:89 0.015