Project Number Date
test_Tails_ISO_21901-refresh-about-tor-7-17 1 05 Nov 2026, 21:12

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 7:18.064 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
20.211
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 6.415
And I prepare Tails for memory erasure tests 0.354
When I start a process allocating 128 MiB of memory with a known pattern 2.200
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.016 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.178
Then I find very few patterns in the guest's memory after 5 seconds 8.045 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 1.030
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.572
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 6.483
And I prepare Tails for memory erasure tests 0.361
And I find very few patterns in the guest's memory 2.794 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.555
Then patterns cover at least 99% of the test FS size in the guest's memory 3.192 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.384
Then I find very few patterns in the guest's memory after 3 seconds 5.800 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.627
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.943
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 6.366
And I prepare Tails for memory erasure tests 0.326
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.330
Then I find very few patterns in the guest's memory 2.657 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.509
Then patterns cover at least 75% of the test FS size in the guest's memory 2.771 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory after 3 seconds 6.331 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.566
Then patterns cover at least 99% of the test FS size in the guest's memory 3.074 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 5.664 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.805
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.587
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 6.362
And I prepare Tails for memory erasure tests 0.293
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.145
Then I find very few patterns in the guest's memory 2.527 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.093
Then patterns cover at least 99% of the test FS size in the guest's memory 2.685 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.448
Then I find very few patterns in the guest's memory after 3 seconds 6.302 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# read cache
When I mount the USB drive again 3.853
And I read the content of the test FS 0.319
Then patterns cover at least 99% of the test FS size in the guest's memory 2.694 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.402
Then I find very few patterns in the guest's memory after 3 seconds 5.457 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.764
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.645
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.585
And I prepare Tails for memory erasure tests 0.313
When I fill a 128 MiB file with a known pattern on the root filesystem 13.300
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.536
Then patterns cover at least 128 MiB in the guest's memory 2.144 
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 20.759 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 3.620
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:15.103
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:41.419
And I prepare Tails for memory erasure tests 0.262
When I fill a 128 MiB file with a known pattern on the persistent filesystem 12.123
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.293 
Pattern coverage: 0.000% (0 MiB out of 1446 MiB reference memory)
After features/support/hooks.rb:339 3.661
After features/support/hooks.rb:108 0.012