Project Number Date
test_Tails_ISO_21779-fix-korean-input 2 16 Sep 2026, 17:45

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 7:7.346 Passed
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.
19.438
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 6.220
And I prepare Tails for memory erasure tests 0.291
When I start a process allocating 128 MiB of memory with a known pattern 2.199
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.763

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 7.770

Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)

After features/support/hooks.rb:339 0.808
After features/support/hooks.rb:108 0.000
19.726
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 6.141
And I prepare Tails for memory erasure tests 0.326
And I find very few patterns in the guest's memory 2.839

Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.464
Then patterns cover at least 99% of the test FS size in the guest's memory 2.867

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.361
Then I find very few patterns in the guest's memory after 3 seconds 5.725

Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)

After features/support/hooks.rb:339 0.985
After features/support/hooks.rb:108 0.000
36.132
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 6.202
And I prepare Tails for memory erasure tests 0.282
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.177
Then I find very few patterns in the guest's memory 2.742

Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.549
Then patterns cover at least 75% of the test FS size in the guest's memory 2.991

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.726
Then I find very few patterns in the guest's memory after 3 seconds 5.563

Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)

# read cache
When I mount the USB drive again 0.156
And I read the content of the test FS 0.622
Then patterns cover at least 99% of the test FS size in the guest's memory 3.036

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.398
Then I find very few patterns in the guest's memory after 3 seconds 5.682

Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)

After features/support/hooks.rb:339 0.594
After features/support/hooks.rb:108 0.000
59.942
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 6.104
And I prepare Tails for memory erasure tests 0.253
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.333
Then I find very few patterns in the guest's memory 2.684

Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.142
Then patterns cover at least 99% of the test FS size in the guest's memory 2.580

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.468
Then I find very few patterns in the guest's memory after 3 seconds 5.434

Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)

# read cache
When I mount the USB drive again 3.979
And I read the content of the test FS 0.348
Then patterns cover at least 99% of the test FS size in the guest's memory 2.609

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 5.587

Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)

After features/support/hooks.rb:339 0.795
After features/support/hooks.rb:108 0.000
42.301
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 6.130
And I prepare Tails for memory erasure tests 0.266
When I fill a 128 MiB file with a known pattern on the root filesystem 11.673
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.343
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 20.737

Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)

After features/support/hooks.rb:339 3.908
After features/support/hooks.rb:108 0.000
4:9.804
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 3:39.036
And I prepare Tails for memory erasure tests 0.253
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.485
When I trigger shutdown 0.003
Then I find very few patterns in the guest's memory after 20 seconds 21.025

Pattern coverage: 0.000% (0 MiB out of 1451 MiB reference memory)

After features/support/hooks.rb:339 3.352
After features/support/hooks.rb:108 0.009