Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 35 17 Nov 2024, 08:00

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 46 1 4 0 0 51 5 1 6 30:21.348 Failed
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.
20.366
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.040
And I prepare Tails for memory erasure tests 0.408
When I start a process allocating 128 MiB of memory with a known pattern 1.231
Then patterns cover at least 128 MiB in the guest's memory 3.348

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

When I kill the allocating process 1.507
Then I find very few patterns in the guest's memory after 3 seconds 5.828

Pattern coverage: 0.000% (0 MiB out of 676 MiB reference memory)

After features/support/hooks.rb:326 1.486
After features/support/hooks.rb:100 0.000
23.473
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.859
And I prepare Tails for memory erasure tests 0.372
And I find very few patterns in the guest's memory 3.032

Pattern coverage: 0.000% (0 MiB out of 675 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.338
Then patterns cover at least 99% of the test FS size in the guest's memory 3.838

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

When I umount "/mnt" 0.357
Then I find very few patterns in the guest's memory after 3 seconds 5.674

Pattern coverage: 0.000% (0 MiB out of 675 MiB reference memory)

After features/support/hooks.rb:326 0.938
After features/support/hooks.rb:100 0.000
42.884
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.018
And I prepare Tails for memory erasure tests 0.342
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.028
Then I find very few patterns in the guest's memory 2.926

Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.230
Then patterns cover at least 75% of the test FS size in the guest's memory 2.892

Pattern coverage: 79.688% (101 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.368
Then I find very few patterns in the guest's memory after 3 seconds 5.743

Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)

# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 0.742
Then patterns cover at least 99% of the test FS size in the guest's memory 3.137

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

When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 5.697

Pattern coverage: 0.001% (0 MiB out of 674 MiB reference memory)

After features/support/hooks.rb:326 0.715
After features/support/hooks.rb:100 0.000
1:15.938
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.033
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.742
Then I find very few patterns in the guest's memory 2.644

Pattern coverage: 0.000% (0 MiB out of 677 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.316
Then patterns cover at least 99% of the test FS size in the guest's memory 2.408

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

When I umount the USB drive 0.782
Then I find very few patterns in the guest's memory after 3 seconds 5.418

Pattern coverage: 0.000% (0 MiB out of 677 MiB reference memory)

# read cache
When I mount the USB drive again 5.043
And I read the content of the test FS 0.430
Then patterns cover at least 99% of the test FS size in the guest's memory 2.780

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

When I umount the USB drive 0.546
Then I find very few patterns in the guest's memory after 3 seconds 5.403

Pattern coverage: 0.000% (0 MiB out of 677 MiB reference memory)

After features/support/hooks.rb:326 1.164
After features/support/hooks.rb:100 0.000
51.162
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.917
And I prepare Tails for memory erasure tests 0.367
When I fill a 128 MiB file with a known pattern on the root filesystem 18.133
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.292
Then patterns cover at least 128 MiB in the guest's memory 2.674

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 20.763

Pattern coverage: 0.000% (0 MiB out of 677 MiB reference memory)

After features/support/hooks.rb:326 3.494
After features/support/hooks.rb:100 0.000
26:47.522
Scenario Erasure of read and write disk caches of persistent data on shutdown
Before features/support/hooks.rb:269 0.002
Steps
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 26:47.522
execution expired (RemoteShell::Timeout)
./features/support/helpers/remote_shell.rb:56:in `read'
./features/support/helpers/remote_shell.rb:56:in `block (3 levels) in communicate'
./features/support/helpers/remote_shell.rb:55:in `block (2 levels) in communicate'
./features/support/helpers/remote_shell.rb:42:in `loop'
./features/support/helpers/remote_shell.rb:42:in `block in communicate'
./features/support/helpers/remote_shell.rb:37:in `communicate'
./features/support/helpers/remote_shell.rb:174:in `execute'
./features/support/helpers/remote_shell.rb:185:in `initialize'
./features/support/helpers/dogtail.rb:80:in `new'
./features/support/helpers/dogtail.rb:80:in `run'
./features/support/helpers/dogtail.rb:70:in `initialize'
./features/step_definitions/common_steps.rb:712:in `new'
./features/step_definitions/common_steps.rb:712:in `/^all notifications have disappeared$/'
./features/step_definitions/snapshots.rb:153:in `block in reach_checkpoint'
./features/step_definitions/snapshots.rb:150:in `each'
./features/step_definitions/snapshots.rb:150:in `reach_checkpoint'
./features/step_definitions/snapshots.rb:173:in `/^I\ have\ started\ Tails\ without\ network\ from\ a\ USB\ drive\ with\ a\ persistent\ partition\ enabled\ and\ logged\ in$/'
features/erase_memory.feature:75:in `Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in'
And I prepare Tails for memory erasure tests 0.000
When I fill a 128 MiB file with a known pattern on the persistent filesystem 0.000
When I trigger shutdown 0.000
Then I find very few patterns in the guest's memory after 20 seconds 0.000
After features/support/hooks.rb:326 10.863

SCENARIO FAILED: 'Erasure of read and write disk caches of persistent data on shutdown' (at time 00:57:48)

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_20524-warn-danger-unplug-usb-stick/35/artifact/build-artifacts/00:57:48_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_20524-warn-danger-unplug-usb-stick/35/artifact/build-artifacts/00:57:48_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.mkv

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_20524-warn-danger-unplug-usb-stick/35/artifact/build-artifacts/00:57:48_Erasure_of_read_and_write_disk_caches_of_persistent_data_on_shutdown.journal

After features/support/hooks.rb:100 0.011