Project Number Date
test_Tails_ISO_devel 3392 17 May 2024, 12:45

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 10:37.784 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
20.800
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.242
And I prepare Tails for memory erasure tests 0.433
When I start a process allocating 128 MiB of memory with a known pattern 2.338
Then patterns cover at least 128 MiB in the guest's memory 3.888 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.349
Then I find very few patterns in the guest's memory 4.548 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:305 0.793
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
23.273
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.040
And I prepare Tails for memory erasure tests 0.417
And I find very few patterns in the guest's memory 4.275 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.903
Then patterns cover at least 99% of the test FS size in the guest's memory 3.580 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.106
Then I find very few patterns in the guest's memory 3.950 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:305 1.007
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
44.473
Before features/support/hooks.rb:259 0.009
Given I have started Tails from DVD without network and logged in 8.694
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.253
Then I find very few patterns in the guest's memory 4.369 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.773
Then patterns cover at least 86% of the test FS size in the guest's memory 3.590 
Pattern coverage: 88.269% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.321
Then I find very few patterns in the guest's memory 3.743 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.220
And I read the content of the test FS 1.161
Then patterns cover at least 99% of the test FS size in the guest's memory 3.575 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.566
Then I find very few patterns in the guest's memory 3.813 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:305 0.816
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:10.118
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.013
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.775
Then I find very few patterns in the guest's memory 3.502 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.711
Then patterns cover at least 99% of the test FS size in the guest's memory 3.387 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.750
Then I find very few patterns in the guest's memory 3.637 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 5.310
And I read the content of the test FS 0.480
Then patterns cover at least 99% of the test FS size in the guest's memory 2.890 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory 3.505 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:305 0.822
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
49.600
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.011
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the root filesystem 15.019
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.640
Then patterns cover at least 128 MiB in the guest's memory 2.773 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.005 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.729 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:305 3.493
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:9.516
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 6:23.732
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.095
When I trigger shutdown 0.010
And I wait 20 seconds 20.014 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.202 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:305 3.532
After features/support/hooks.rb:89 0.011