Project Number Date
test_Tails_ISO_21565-flatpak-safe 19 30 Aug 2026, 03:19

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 7:9.778 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.
19.379
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 6.242
And I prepare Tails for memory erasure tests 0.286
When I start a process allocating 128 MiB of memory with a known pattern 2.162
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.783

Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)

When I kill the allocating process 0.213
Then I find very few patterns in the guest's memory after 5 seconds 7.691

Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)

After features/support/hooks.rb:339 0.833
After features/support/hooks.rb:108 0.000
19.632
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 6.181
And I prepare Tails for memory erasure tests 0.269
And I find very few patterns in the guest's memory 2.746

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 1.517
Then patterns cover at least 99% of the test FS size in the guest's memory 2.952

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

When I umount "/mnt" 0.386
Then I find very few patterns in the guest's memory after 3 seconds 5.577

Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)

After features/support/hooks.rb:339 0.566
After features/support/hooks.rb:108 0.000
36.175
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 6.323
And I prepare Tails for memory erasure tests 0.306
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.149
Then I find very few patterns in the guest's memory 2.751

Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.713
Then patterns cover at least 75% of the test FS size in the guest's memory 2.985

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

When I umount the USB drive 0.718
Then I find very few patterns in the guest's memory after 3 seconds 5.599

Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)

# read cache
When I mount the USB drive again 0.191
And I read the content of the test FS 0.568
Then patterns cover at least 99% of the test FS size in the guest's memory 2.797

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

When I umount the USB drive 0.411
Then I find very few patterns in the guest's memory after 3 seconds 5.656

Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)

After features/support/hooks.rb:339 0.519
After features/support/hooks.rb:108 0.000
1:4.143
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 6.331
And I prepare Tails for memory erasure tests 0.293
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.458
Then I find very few patterns in the guest's memory 2.510

Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.049
Then patterns cover at least 99% of the test FS size in the guest's memory 2.574

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

When I umount the USB drive 0.428
Then I find very few patterns in the guest's memory after 3 seconds 5.542

Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)

# read cache
When I mount the USB drive again 4.075
And I read the content of the test FS 0.340
Then patterns cover at least 99% of the test FS size in the guest's memory 2.614

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

When I umount the USB drive 0.413
Then I find very few patterns in the guest's memory after 3 seconds 5.508

Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)

After features/support/hooks.rb:339 0.580
After features/support/hooks.rb:108 0.000
44.666
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 6.204
And I prepare Tails for memory erasure tests 0.279
When I fill a 128 MiB file with a known pattern on the root filesystem 13.884
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.429
Then patterns cover at least 128 MiB in the guest's memory 2.149

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 20.713

Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)

After features/support/hooks.rb:339 3.365
After features/support/hooks.rb:108 0.000
4:5.780
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 3:33.904
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 10.539
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.028

Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)

After features/support/hooks.rb:339 3.358
After features/support/hooks.rb:108 0.038