Project Number Date
test_Tails_ISO_devel 3186 08 Dec 2023, 12:27

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 14:3.185 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
18.285
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.265
And I prepare Tails for memory erasure tests 0.675
When I start a process allocating 128 MiB of memory with a known pattern 1.363
Then patterns cover at least 128 MiB in the guest's memory 3.681 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.302
Then I find very few patterns in the guest's memory 3.996 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
After features/support/hooks.rb:291 1.156
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:6.297
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.471
And I prepare Tails for memory erasure tests 0.755
And I find very few patterns in the guest's memory 3.890 
Pattern coverage: 0.000% (0 MiB out of 1231 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 44.857
Then patterns cover at least 99% of the test FS size in the guest's memory 3.704 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.298
Then I find very few patterns in the guest's memory 4.319 
Pattern coverage: 0.000% (0 MiB out of 1231 MiB reference memory)
After features/support/hooks.rb:291 1.092
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:7.919
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.343
And I prepare Tails for memory erasure tests 0.709
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.971
Then I find very few patterns in the guest's memory 4.811 
Pattern coverage: 0.000% (0 MiB out of 1235 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:27.558
Then patterns cover at least 86% of the test FS size in the guest's memory 3.360 
Pattern coverage: 94.754% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory 4.510 
Pattern coverage: 0.000% (0 MiB out of 1235 MiB reference memory)
# read cache
When I mount the USB drive again 0.228
And I read the content of the test FS 0.747
Then patterns cover at least 99% of the test FS size in the guest's memory 4.007 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.270
Then I find very few patterns in the guest's memory 4.579 
Pattern coverage: 0.000% (0 MiB out of 1235 MiB reference memory)
After features/support/hooks.rb:291 1.079
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:52.433
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.459
And I prepare Tails for memory erasure tests 0.687
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.304
Then I find very few patterns in the guest's memory 4.421 
Pattern coverage: 0.000% (0 MiB out of 1235 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:56.341
Then patterns cover at least 99% of the test FS size in the guest's memory 2.917 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.582
Then I find very few patterns in the guest's memory 3.524 
Pattern coverage: 0.000% (0 MiB out of 1235 MiB reference memory)
# read cache
When I mount the USB drive again 3.501
And I read the content of the test FS 0.413
Then patterns cover at least 99% of the test FS size in the guest's memory 3.175 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.551
Then I find very few patterns in the guest's memory 3.551 
Pattern coverage: 0.000% (0 MiB out of 1235 MiB reference memory)
After features/support/hooks.rb:291 1.288
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.412
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.337
And I prepare Tails for memory erasure tests 0.694
When I fill a 128 MiB file with a known pattern on the root filesystem 13.105
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.452
Then patterns cover at least 128 MiB in the guest's memory 2.532 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.602
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.669 
Pattern coverage: 0.000% (0 MiB out of 1235 MiB reference memory)
After features/support/hooks.rb:291 3.458
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:49.836
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:2.889
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.064
When I trigger shutdown 0.224
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.187 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
After features/support/hooks.rb:291 3.505
After features/support/hooks.rb:75 0.011