Project Number Date
test_Tails_ISO_21461-update-chutney 19 10 Aug 2026, 22:19

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 7:25.743 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
19.279
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 6.143
And I prepare Tails for memory erasure tests 0.304
When I start a process allocating 128 MiB of memory with a known pattern 2.192
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.911 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.193
Then I find very few patterns in the guest's memory after 5 seconds 7.534 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 0.950
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.196
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 17.768
And I prepare Tails for memory erasure tests 0.300
And I find very few patterns in the guest's memory 2.683 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.490
Then patterns cover at least 99% of the test FS size in the guest's memory 5.021 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.399
Then I find very few patterns in the guest's memory after 3 seconds 7.532 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 1.005
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
40.929
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 6.248
And I prepare Tails for memory erasure tests 0.293
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.134
Then I find very few patterns in the guest's memory 4.538 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.686
Then patterns cover at least 75% of the test FS size in the guest's memory 3.470 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 6.127 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 0.155
And I read the content of the test FS 0.563
Then patterns cover at least 99% of the test FS size in the guest's memory 3.931 
Pattern coverage: 100.000% (127 MiB out of 127 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 6.643 
Pattern coverage: 0.000% (0 MiB out of 1472 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
1:2.731
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 6.217
And I prepare Tails for memory erasure tests 0.327
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.102
Then I find very few patterns in the guest's memory 2.544 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.977
Then patterns cover at least 99% of the test FS size in the guest's memory 2.615 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.444
Then I find very few patterns in the guest's memory after 3 seconds 5.659 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 4.042
And I read the content of the test FS 0.345
Then patterns cover at least 99% of the test FS size in the guest's memory 2.598 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.412
Then I find very few patterns in the guest's memory after 3 seconds 5.442 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.976
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.171
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 6.080
And I prepare Tails for memory erasure tests 0.286
When I fill a 128 MiB file with a known pattern on the root filesystem 11.763
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.323
Then patterns cover at least 128 MiB in the guest's memory 2.032 
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 20.678 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 3.358
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:5.433
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:35.112
And I prepare Tails for memory erasure tests 0.233
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.093
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.989 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 3.705
After features/support/hooks.rb:108 0.008