Project Number Date
test_Tails_ISO_21765-tor-browser-15.0.23 1 14 Sep 2026, 13:13

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 7:37.390 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
21.179
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 6.558
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 2.191
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.868 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.787
Then I find very few patterns in the guest's memory after 5 seconds 8.321 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 1.044
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.488
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 6.601
And I prepare Tails for memory erasure tests 0.330
And I find very few patterns in the guest's memory 2.674 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.485
Then patterns cover at least 99% of the test FS size in the guest's memory 3.063 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.420
Then I find very few patterns in the guest's memory after 3 seconds 5.912 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.821
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.673
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 6.769
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.329
Then I find very few patterns in the guest's memory 2.793 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.863
Then patterns cover at least 75% of the test FS size in the guest's memory 3.136 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.791
Then I find very few patterns in the guest's memory after 3 seconds 6.056 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
# read cache
When I mount the USB drive again 0.202
And I read the content of the test FS 0.677
Then patterns cover at least 99% of the test FS size in the guest's memory 3.072 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 6.121 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
After features/support/hooks.rb:339 0.546
After features/support/hooks.rb:108 0.002
Tags: @product @slow @not_release_blocker
1:2.980
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.500
And I prepare Tails for memory erasure tests 0.317
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.196
Then I find very few patterns in the guest's memory 2.552 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.164
Then patterns cover at least 99% of the test FS size in the guest's memory 2.825 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.509
Then I find very few patterns in the guest's memory after 3 seconds 5.554 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# read cache
When I mount the USB drive again 3.823
And I read the content of the test FS 0.427
Then patterns cover at least 99% of the test FS size in the guest's memory 2.936 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 5.656 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.820
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.235
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.011
Given I have started Tails from DVD without network and logged in 6.607
And I prepare Tails for memory erasure tests 0.456
When I fill a 128 MiB file with a known pattern on the root filesystem 12.672
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.550
Then patterns cover at least 128 MiB in the guest's memory 2.194 
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 20.749 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 3.827
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:28.832
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 3:57.401
And I prepare Tails for memory erasure tests 0.284
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.905
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.236 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 3.423
After features/support/hooks.rb:108 0.011