Project Number Date
test_Tails_ISO_stable 4681 25 Feb 2024, 12:17

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 13:59.940 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
19.122
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.844
And I prepare Tails for memory erasure tests 0.512
When I start a process allocating 128 MiB of memory with a known pattern 2.325
Then patterns cover at least 128 MiB in the guest's memory 3.811 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.310
Then I find very few patterns in the guest's memory 4.318 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
After features/support/hooks.rb:291 1.365
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
59.232
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.722
And I prepare Tails for memory erasure tests 0.558
And I find very few patterns in the guest's memory 4.384 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.030
Then patterns cover at least 99% of the test FS size in the guest's memory 3.577 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.178
Then I find very few patterns in the guest's memory 3.780 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
After features/support/hooks.rb:291 0.905
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:10.953
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.063
And I prepare Tails for memory erasure tests 0.602
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.944
Then I find very few patterns in the guest's memory 4.610 
Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:32.138
Then patterns cover at least 86% of the test FS size in the guest's memory 3.257 
Pattern coverage: 94.046% (117 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.616
Then I find very few patterns in the guest's memory 3.708 
Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)
# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 0.755
Then patterns cover at least 99% of the test FS size in the guest's memory 4.600 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.319
Then I find very few patterns in the guest's memory 4.070 
Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)
After features/support/hooks.rb:291 1.662
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:26.425
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.716
And I prepare Tails for memory erasure tests 0.663
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.481
Then I find very few patterns in the guest's memory 3.714 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:28.601
Then patterns cover at least 99% of the test FS size in the guest's memory 2.879 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.614
Then I find very few patterns in the guest's memory 3.276 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
# read cache
When I mount the USB drive again 5.048
And I read the content of the test FS 0.474
Then patterns cover at least 99% of the test FS size in the guest's memory 2.678 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory 3.801 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
After features/support/hooks.rb:291 1.240
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.205
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.078
And I prepare Tails for memory erasure tests 0.603
When I fill a 128 MiB file with a known pattern on the root filesystem 12.324
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.604
Then patterns cover at least 128 MiB in the guest's memory 3.197 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 1.474
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.901 
Pattern coverage: 0.000% (0 MiB out of 1189 MiB reference memory)
After features/support/hooks.rb:291 3.532
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:15.001
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 5:30.960
And I prepare Tails for memory erasure tests 0.490
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.023
When I trigger shutdown 0.375
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.130 
Pattern coverage: 0.000% (0 MiB out of 1182 MiB reference memory)
After features/support/hooks.rb:291 3.509
After features/support/hooks.rb:75 0.012