Project Number Date
test_Tails_ISO_stable 4834 08 May 2024, 21:21

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 11:49.677 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
21.010
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.822
And I prepare Tails for memory erasure tests 0.523
When I start a process allocating 128 MiB of memory with a known pattern 2.451
Then patterns cover at least 128 MiB in the guest's memory 3.747 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.381
Then I find very few patterns in the guest's memory 4.085 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:305 1.743
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
25.477
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.199
And I prepare Tails for memory erasure tests 0.448
And I find very few patterns in the guest's memory 4.020 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.460
Then patterns cover at least 99% of the test FS size in the guest's memory 3.385 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.077
Then I find very few patterns in the guest's memory 3.885 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:305 1.830
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
44.556
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.238
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.080
Then I find very few patterns in the guest's memory 3.838 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.245
Then patterns cover at least 86% of the test FS size in the guest's memory 3.380 
Pattern coverage: 89.781% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.584
Then I find very few patterns in the guest's memory 3.622 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.351
And I read the content of the test FS 1.025
Then patterns cover at least 99% of the test FS size in the guest's memory 3.428 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.792
Then I find very few patterns in the guest's memory 4.546 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:305 1.160
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:16.877
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 10.297
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.719
Then I find very few patterns in the guest's memory 3.549 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.751
Then patterns cover at least 99% of the test FS size in the guest's memory 2.908 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.970
Then I find very few patterns in the guest's memory 3.626 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 6.348
And I read the content of the test FS 0.533
Then patterns cover at least 99% of the test FS size in the guest's memory 2.935 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.012
Then I find very few patterns in the guest's memory 3.775 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:305 0.861
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
49.801
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.187
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the root filesystem 14.226
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.041
Then patterns cover at least 128 MiB in the guest's memory 2.991 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.908 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:305 3.767
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
8:11.954
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 7:24.708
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.227
When I trigger shutdown 0.018
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.539 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:305 3.539
After features/support/hooks.rb:89 0.013