Project Number Date
test_Tails_ISO_devel 4568 26 Aug 2026, 11:18

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 7:41.488 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
20.139
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.706
And I prepare Tails for memory erasure tests 0.279
When I start a process allocating 128 MiB of memory with a known pattern 2.181
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.047 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.208
Then I find very few patterns in the guest's memory after 5 seconds 7.715 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 0.774
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
22.739
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.964
And I prepare Tails for memory erasure tests 0.268
And I find very few patterns in the guest's memory 2.875 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.798
Then patterns cover at least 99% of the test FS size in the guest's memory 3.727 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.506
Then I find very few patterns in the guest's memory after 3 seconds 6.597 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.973
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
47.852
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.679
And I prepare Tails for memory erasure tests 0.298
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.241
Then I find very few patterns in the guest's memory 4.532 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.739
Then patterns cover at least 75% of the test FS size in the guest's memory 5.246 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.742
Then I find very few patterns in the guest's memory after 3 seconds 7.958 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 0.219
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 5.406 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.389
Then I find very few patterns in the guest's memory after 3 seconds 7.845 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 0.965
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:10.030
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.644
And I prepare Tails for memory erasure tests 0.274
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.666
Then I find very few patterns in the guest's memory 3.379 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.471
Then patterns cover at least 99% of the test FS size in the guest's memory 3.849 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.575
Then I find very few patterns in the guest's memory after 3 seconds 6.575 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 4.911
And I read the content of the test FS 0.407
Then patterns cover at least 99% of the test FS size in the guest's memory 3.381 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.501
Then I find very few patterns in the guest's memory after 3 seconds 6.391 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 0.709
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.902
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.633
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 13.208
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.522
Then patterns cover at least 128 MiB in the guest's memory 2.315 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.767 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 3.643
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:15.823
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:44.454
And I prepare Tails for memory erasure tests 0.297
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.065
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.001 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:339 3.338
After features/support/hooks.rb:108 0.010