Project Number Date
test_Tails_ISO_stable 6590 18 Aug 2026, 19:00

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 8:14.129 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
32.519
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 18.320
And I prepare Tails for memory erasure tests 0.310
When I start a process allocating 128 MiB of memory with a known pattern 2.183
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.077 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.773
Then I find very few patterns in the guest's memory after 5 seconds 7.854 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.691
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.166
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 6.546
And I prepare Tails for memory erasure tests 0.314
And I find very few patterns in the guest's memory 2.845 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.642
Then patterns cover at least 99% of the test FS size in the guest's memory 3.247 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.494
Then I find very few patterns in the guest's memory after 3 seconds 6.075 
Pattern coverage: 0.000% (0 MiB out of 1487 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
38.138
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 6.589
And I prepare Tails for memory erasure tests 0.347
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.565
Then I find very few patterns in the guest's memory 2.852 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.782
Then patterns cover at least 75% of the test FS size in the guest's memory 3.175 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.744
Then I find very few patterns in the guest's memory after 3 seconds 5.788 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 0.173
And I read the content of the test FS 0.597
Then patterns cover at least 99% of the test FS size in the guest's memory 3.023 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.574
Then I find very few patterns in the guest's memory after 3 seconds 5.924 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.620
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.238
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.362
And I prepare Tails for memory erasure tests 0.301
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.897
Then I find very few patterns in the guest's memory 2.823 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.346
Then patterns cover at least 99% of the test FS size in the guest's memory 3.053 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory after 3 seconds 5.541 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 4.924
And I read the content of the test FS 0.561
Then patterns cover at least 99% of the test FS size in the guest's memory 2.960 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.394
Then I find very few patterns in the guest's memory after 3 seconds 6.568 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.940
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.264
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 18.248
And I prepare Tails for memory erasure tests 0.314
When I fill a 128 MiB file with a known pattern on the root filesystem 13.720
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.641
Then patterns cover at least 128 MiB in the guest's memory 2.572 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.759 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 3.823
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:39.801
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:8.785
And I prepare Tails for memory erasure tests 0.375
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.402
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.232 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:339 3.434
After features/support/hooks.rb:108 0.023