Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 28 11 Mar 2025, 14:23

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 12:24.256 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.
25.723
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.166
And I prepare Tails for memory erasure tests 0.475
When I start a process allocating 128 MiB of memory with a known pattern 2.415
Then patterns cover at least 128 MiB in the guest's memory 4.315

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

When I kill the allocating process 1.481
Then I find very few patterns in the guest's memory after 5 seconds 8.869

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 1.522
After features/support/hooks.rb:100 0.000
28.158
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.779
And I prepare Tails for memory erasure tests 0.481
And I find very few patterns in the guest's memory 3.614

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.811
Then patterns cover at least 99% of the test FS size in the guest's memory 4.361

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

When I umount "/mnt" 2.485
Then I find very few patterns in the guest's memory after 3 seconds 6.624

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:330 0.723
After features/support/hooks.rb:100 0.000
52.099
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.236
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.122
Then I find very few patterns in the guest's memory 3.884

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.187
Then patterns cover at least 75% of the test FS size in the guest's memory 4.247

Pattern coverage: 91.229% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.839
Then I find very few patterns in the guest's memory after 3 seconds 6.849

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# read cache
When I mount the USB drive again 0.362
And I read the content of the test FS 0.624
Then patterns cover at least 99% of the test FS size in the guest's memory 4.113

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.647
Then I find very few patterns in the guest's memory after 3 seconds 6.539

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:330 0.778
After features/support/hooks.rb:100 0.000
1:25.275
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.220
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.846
Then I find very few patterns in the guest's memory 3.151

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.960
Then patterns cover at least 99% of the test FS size in the guest's memory 3.454

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.126
Then I find very few patterns in the guest's memory after 3 seconds 6.030

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# read cache
When I mount the USB drive again 5.726
And I read the content of the test FS 0.489
Then patterns cover at least 99% of the test FS size in the guest's memory 3.369

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.453
Then I find very few patterns in the guest's memory after 3 seconds 5.997

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:330 1.790
After features/support/hooks.rb:100 0.000
1:1.701
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.402
And I prepare Tails for memory erasure tests 0.390
When I fill a 128 MiB file with a known pattern on the root filesystem 17.419
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 11.342
Then patterns cover at least 128 MiB in the guest's memory 3.205

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.926

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 3.573
After features/support/hooks.rb:100 0.000
8:11.299
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:26.010
And I prepare Tails for memory erasure tests 0.485
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.909
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.879

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 3.772
After features/support/hooks.rb:100 0.013