Project Number Date
test_Tails_ISO_devel 3895 03 Jul 2025, 15:03

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 31:27.521 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
1:0.950
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 27.290
And I prepare Tails for memory erasure tests 2.085
When I start a process allocating 128 MiB of memory with a known pattern 3.472
Then patterns cover at least 128 MiB in the guest's memory 9.924 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.998
Then I find very few patterns in the guest's memory after 5 seconds 17.177 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.343
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.456
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 27.428
And I prepare Tails for memory erasure tests 3.819
And I find very few patterns in the guest's memory 9.322 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.415
Then patterns cover at least 99% of the test FS size in the guest's memory 14.004 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.477
Then I find very few patterns in the guest's memory after 3 seconds 15.988 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 2.421
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:41.921
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 11.184
And I prepare Tails for memory erasure tests 2.032
When I plug and mount a 128 MiB USB drive with a vfat filesystem 14.654
Then I find very few patterns in the guest's memory 14.518 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.238
Then patterns cover at least 75% of the test FS size in the guest's memory 13.028 
Pattern coverage: 86.845% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.187
Then I find very few patterns in the guest's memory after 3 seconds 6.953 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.289
And I read the content of the test FS 2.285
Then patterns cover at least 99% of the test FS size in the guest's memory 13.728 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory after 3 seconds 17.411 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.148
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:39.516
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 25.004
And I prepare Tails for memory erasure tests 4.151
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:0.103
Then I find very few patterns in the guest's memory 10.531 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.056
Then patterns cover at least 99% of the test FS size in the guest's memory 14.910 
Pattern coverage: 99.640% (91 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.203
Then I find very few patterns in the guest's memory after 3 seconds 14.732 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 2.843
And I read the content of the test FS 0.679
Then patterns cover at least 99% of the test FS size in the guest's memory 3.260 
Pattern coverage: 105.884% (96 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.156
Then I find very few patterns in the guest's memory after 3 seconds 16.882 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.260
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:47.412
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 47.186
And I prepare Tails for memory erasure tests 3.275
When I fill a 128 MiB file with a known pattern on the root filesystem 27.630
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.987
Then patterns cover at least 128 MiB in the guest's memory 3.484 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 23.834 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 6.118
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23:4.264
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 21:52.433
And I prepare Tails for memory erasure tests 2.423
When I fill a 128 MiB file with a known pattern on the persistent filesystem 40.709
When I trigger shutdown 0.158
Then I find very few patterns in the guest's memory after 20 seconds 28.539 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:330 4.107
After features/support/hooks.rb:100 0.074