Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 53 08 Jul 2025, 17:51

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 12:3.383 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
27.829
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 10.091
And I prepare Tails for memory erasure tests 0.526
When I start a process allocating 128 MiB of memory with a known pattern 2.443
Then patterns cover at least 128 MiB in the guest's memory 4.163 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.950
Then I find very few patterns in the guest's memory after 5 seconds 9.653 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.069
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.566
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.016
And I prepare Tails for memory erasure tests 0.584
And I find very few patterns in the guest's memory 3.653 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.013
Then patterns cover at least 99% of the test FS size in the guest's memory 4.618 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.614
Then I find very few patterns in the guest's memory after 3 seconds 6.066 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.272
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 10.205
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.449
Then I find very few patterns in the guest's memory 3.657 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.103
Then patterns cover at least 75% of the test FS size in the guest's memory 5.112 
Pattern coverage: 86.518% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.478
Then I find very few patterns in the guest's memory after 3 seconds 6.216 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.841
Then patterns cover at least 99% of the test FS size in the guest's memory 3.936 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.781
Then I find very few patterns in the guest's memory after 3 seconds 6.729 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.265
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:29.804
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.980
And I prepare Tails for memory erasure tests 0.487
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 48.416
Then I find very few patterns in the guest's memory 3.223 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.894
Then patterns cover at least 99% of the test FS size in the guest's memory 3.126 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.749
Then I find very few patterns in the guest's memory after 3 seconds 7.356 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 4.145
And I read the content of the test FS 0.902
Then patterns cover at least 99% of the test FS size in the guest's memory 3.976 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.573
Then I find very few patterns in the guest's memory after 3 seconds 5.970 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 1.909
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.244
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 10.312
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the root filesystem 16.660
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.954
Then patterns cover at least 128 MiB in the guest's memory 3.019 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.809 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:52.666
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:7.086
And I prepare Tails for memory erasure tests 1.427
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.952
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.187 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.510
After features/support/hooks.rb:100 0.010