Project Number Date
test_Tails_ISO_devel 3193 13 Dec 2023, 16:53

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 14:34.657 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
20.185
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.177
And I prepare Tails for memory erasure tests 0.560
When I start a process allocating 128 MiB of memory with a known pattern 1.266
Then patterns cover at least 128 MiB in the guest's memory 3.765 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.380
Then I find very few patterns in the guest's memory 6.035 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
After features/support/hooks.rb:291 1.097
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
59.691
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.082
And I prepare Tails for memory erasure tests 0.474
And I find very few patterns in the guest's memory 4.291 
Pattern coverage: 0.000% (0 MiB out of 1223 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 38.546
Then patterns cover at least 99% of the test FS size in the guest's memory 3.756 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.206
Then I find very few patterns in the guest's memory 4.332 
Pattern coverage: 0.000% (0 MiB out of 1223 MiB reference memory)
After features/support/hooks.rb:291 0.823
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:46.155
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.034
And I prepare Tails for memory erasure tests 0.589
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.904
Then I find very few patterns in the guest's memory 3.618 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3:10.971
Then patterns cover at least 86% of the test FS size in the guest's memory 2.953 
Pattern coverage: 95.033% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.601
Then I find very few patterns in the guest's memory 3.490 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
# read cache
When I mount the USB drive again 0.229
And I read the content of the test FS 0.796
Then patterns cover at least 99% of the test FS size in the guest's memory 3.111 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.311
Then I find very few patterns in the guest's memory 3.543 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
After features/support/hooks.rb:291 0.906
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:52.036
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.189
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.268
Then I find very few patterns in the guest's memory 3.247 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:0.695
Then patterns cover at least 99% of the test FS size in the guest's memory 2.287 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.726
Then I find very few patterns in the guest's memory 3.368 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
# read cache
When I mount the USB drive again 3.438
And I read the content of the test FS 0.482
Then patterns cover at least 99% of the test FS size in the guest's memory 2.657 
Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.184
Then I find very few patterns in the guest's memory 3.052 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
After features/support/hooks.rb:291 0.813
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.148
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.984
And I prepare Tails for memory erasure tests 0.482
When I fill a 128 MiB file with a known pattern on the root filesystem 14.391
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.625
Then patterns cover at least 128 MiB in the guest's memory 2.408 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.609
And I wait 20 seconds 20.002 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.646 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:291 3.460
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:47.440
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 5:2.446
And I prepare Tails for memory erasure tests 0.503
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.284
When I trigger shutdown 0.221
And I wait 20 seconds 20.001 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.982 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
After features/support/hooks.rb:291 3.424
After features/support/hooks.rb:75 0.011