Project Number Date
test_Tails_ISO_post-rm-7.11 9 21 Aug 2026, 16:13

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 8:0.943 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
19.856
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 6.522
And I prepare Tails for memory erasure tests 0.438
When I start a process allocating 128 MiB of memory with a known pattern 2.247
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.850 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.196
Then I find very few patterns in the guest's memory after 5 seconds 7.600 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.942
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.440
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 6.259
And I prepare Tails for memory erasure tests 0.342
And I find very few patterns in the guest's memory 2.816 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.774
Then patterns cover at least 99% of the test FS size in the guest's memory 3.030 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.418
Then I find very few patterns in the guest's memory after 3 seconds 5.797 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.776
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.081
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.569
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.377
Then I find very few patterns in the guest's memory 2.743 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.673
Then patterns cover at least 75% of the test FS size in the guest's memory 4.653 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.830
Then I find very few patterns in the guest's memory after 3 seconds 5.803 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 0.200
And I read the content of the test FS 0.534
Then patterns cover at least 99% of the test FS size in the guest's memory 3.063 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.561
Then I find very few patterns in the guest's memory after 3 seconds 5.643 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 0.711
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:20.325
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 18.257
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" 32.795
Then I find very few patterns in the guest's memory 3.650 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.907
Then patterns cover at least 99% of the test FS size in the guest's memory 3.107 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.505
Then I find very few patterns in the guest's memory after 3 seconds 6.230 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 4.510
And I read the content of the test FS 0.358
Then patterns cover at least 99% of the test FS size in the guest's memory 2.761 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.357
Then I find very few patterns in the guest's memory after 3 seconds 5.562 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.945
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.817
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 19.751
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 12.415
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.344
Then patterns cover at least 128 MiB in the guest's memory 2.243 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.742 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 3.769
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:24.422
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 3:52.745
And I prepare Tails for memory erasure tests 0.303
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.108
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.259 
Pattern coverage: 0.000% (0 MiB out of 1439 MiB reference memory)
After features/support/hooks.rb:339 3.791
After features/support/hooks.rb:108 0.010