*** This bug is a duplicate of bug 1872047 ***
https://bugs.launchpad.net/bugs/1872047
** This bug has been marked a duplicate of bug 1872047
kselftest: seccomp kill_after_ptrace() timeout
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https://bugs.launchpad.net/bugs/1864073
Title:
seccomp_bpf fails Eoan 5.3 in ubuntu_kernel_selftests
Status in ubuntu-kernel-tests:
Triaged
Status in linux-aws package in Ubuntu:
Confirmed
Status in linux-aws source package in Eoan:
Confirmed
Bug description:
Cloud: AWS
Kernel: 5.3.0-1012.13
Test: ubuntu_kernel_selftests
The following is observed from the autotest failure.
02/19 21:33:08 DEBUG| utils:0153| [stdout] Estimated seccomp overhead per
syscall: 42 ns
02/19 21:33:08 DEBUG| utils:0153| [stdout] ok 1..2 selftests: seccomp:
seccomp_benchmark [PASS]
02/19 21:33:08 DEBUG| utils:0153| [stdout] make[1]: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/seccomp'
02/19 21:33:08 DEBUG| utils:0153| [stdout] make: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'
02/19 21:33:08 INFO |ubuntu_ker:0179| ========== Summary ===========
02/19 21:33:08 INFO |ubuntu_ker:0056| Sub test case: seccomp_bpf failed.
02/19 21:33:08 ERROR| test:0414| Exception escaping from test:
Traceback (most recent call last):
File "/home/ubuntu/autotest/client/shared/test.py", line 411, in _exec
_call_test_function(self.execute, *p_args, **p_dargs)
File "/home/ubuntu/autotest/client/shared/test.py", line 823, in
_call_test_function
return func(*args, **dargs)
File "/home/ubuntu/autotest/client/shared/test.py", line 291, in execute
postprocess_profiled_run, args, dargs)
File "/home/ubuntu/autotest/client/shared/test.py", line 212, in
_call_run_once
self.run_once(*args, **dargs)
File
"/home/ubuntu/autotest/client/tests/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py",
line 188, in run_once
raise error.TestError('Test failed for ' + test_name)
TestError: Test failed for seccomp
When the test is run standalone we can get a little more information.
[==========] Running 75 tests from 1 test cases.
[ RUN ] global.mode_strict_support
[ OK ] global.mode_strict_support
[ RUN ] global.mode_strict_cannot_call_prctl
[ OK ] global.mode_strict_cannot_call_prctl
[ RUN ] global.no_new_privs_support
[ OK ] global.no_new_privs_support
[ RUN ] global.mode_filter_support
[ OK ] global.mode_filter_support
[ RUN ] global.mode_filter_without_nnp
[ OK ] global.mode_filter_without_nnp
[ RUN ] global.filter_size_limits
[ OK ] global.filter_size_limits
[ RUN ] global.filter_chain_limits
[ OK ] global.filter_chain_limits
[ RUN ] global.mode_filter_cannot_move_to_strict
[ OK ] global.mode_filter_cannot_move_to_strict
[ RUN ] global.mode_filter_get_seccomp
[ OK ] global.mode_filter_get_seccomp
[ RUN ] global.ALLOW_all
[ OK ] global.ALLOW_all
[ RUN ] global.empty_prog
[ OK ] global.empty_prog
[ RUN ] global.log_all
[ OK ] global.log_all
[ RUN ] global.unknown_ret_is_kill_inside
[ OK ] global.unknown_ret_is_kill_inside
[ RUN ] global.unknown_ret_is_kill_above_allow
[ OK ] global.unknown_ret_is_kill_above_allow
[ RUN ] global.KILL_all
[ OK ] global.KILL_all
[ RUN ] global.KILL_one
[ OK ] global.KILL_one
[ RUN ] global.KILL_one_arg_one
[ OK ] global.KILL_one_arg_one
[ RUN ] global.KILL_one_arg_six
[ OK ] global.KILL_one_arg_six
[ RUN ] global.KILL_thread
[ OK ] global.KILL_thread
[ RUN ] global.KILL_process
[ OK ] global.KILL_process
[ RUN ] global.arg_out_of_range
[ OK ] global.arg_out_of_range
[ RUN ] global.ERRNO_valid
[ OK ] global.ERRNO_valid
[ RUN ] global.ERRNO_zero
[ OK ] global.ERRNO_zero
[ RUN ] global.ERRNO_capped
[ OK ] global.ERRNO_capped
[ RUN ] global.ERRNO_order
[ OK ] global.ERRNO_order
[ RUN ] TRAP.dfl
[ OK ] TRAP.dfl
[ RUN ] TRAP.ign
[ OK ] TRAP.ign
[ RUN ] TRAP.handler
[ OK ] TRAP.handler
[ RUN ] precedence.allow_ok
[ OK ] precedence.allow_ok
[ RUN ] precedence.kill_is_highest
[ OK ] precedence.kill_is_highest
[ RUN ] precedence.kill_is_highest_in_any_order
[ OK ] precedence.kill_is_highest_in_any_order
[ RUN ] precedence.trap_is_second
[ OK ] precedence.trap_is_second
[ RUN ] precedence.trap_is_second_in_any_order
[ OK ] precedence.trap_is_second_in_any_order
[ RUN ] precedence.errno_is_third
[ OK ] precedence.errno_is_third
[ RUN ] precedence.errno_is_third_in_any_order
[ OK ] precedence.errno_is_third_in_any_order
[ RUN ] precedence.trace_is_fourth
[ OK ] precedence.trace_is_fourth
[ RUN ] precedence.trace_is_fourth_in_any_order
[ OK ] precedence.trace_is_fourth_in_any_order
[ RUN ] precedence.log_is_fifth
[ OK ] precedence.log_is_fifth
[ RUN ] precedence.log_is_fifth_in_any_order
[ OK ] precedence.log_is_fifth_in_any_order
[ RUN ] TRACE_poke.read_has_side_effects
[ OK ] TRACE_poke.read_has_side_effects
[ RUN ] TRACE_poke.getpid_runs_normally
[ OK ] TRACE_poke.getpid_runs_normally
[ RUN ] TRACE_syscall.ptrace_syscall_redirected
[ OK ] TRACE_syscall.ptrace_syscall_redirected
[ RUN ] TRACE_syscall.ptrace_syscall_errno
[ OK ] TRACE_syscall.ptrace_syscall_errno
[ RUN ] TRACE_syscall.ptrace_syscall_faked
[ OK ] TRACE_syscall.ptrace_syscall_faked
[ RUN ] TRACE_syscall.syscall_allowed
[ OK ] TRACE_syscall.syscall_allowed
[ RUN ] TRACE_syscall.syscall_redirected
[ OK ] TRACE_syscall.syscall_redirected
[ RUN ] TRACE_syscall.syscall_errno
[ OK ] TRACE_syscall.syscall_errno
[ RUN ] TRACE_syscall.syscall_faked
[ OK ] TRACE_syscall.syscall_faked
[ RUN ] TRACE_syscall.skip_after_RET_TRACE
[ OK ] TRACE_syscall.skip_after_RET_TRACE
[ RUN ] TRACE_syscall.kill_after_RET_TRACE
[ OK ] TRACE_syscall.kill_after_RET_TRACE
[ RUN ] TRACE_syscall.skip_after_ptrace
[ OK ] TRACE_syscall.skip_after_ptrace
[ RUN ] TRACE_syscall.kill_after_ptrace
[ OK ] TRACE_syscall.kill_after_ptrace
[ RUN ] global.seccomp_syscall
[ OK ] global.seccomp_syscall
[ RUN ] global.seccomp_syscall_mode_lock
[ OK ] global.seccomp_syscall_mode_lock
[ RUN ] global.detect_seccomp_filter_flags
[ OK ] global.detect_seccomp_filter_flags
[ RUN ] global.TSYNC_first
[ OK ] global.TSYNC_first
[ RUN ] TSYNC.siblings_fail_prctl
[ OK ] TSYNC.siblings_fail_prctl
[ RUN ] TSYNC.two_siblings_with_ancestor
[ OK ] TSYNC.two_siblings_with_ancestor
[ RUN ] TSYNC.two_sibling_want_nnp
[ OK ] TSYNC.two_sibling_want_nnp
[ RUN ] TSYNC.two_siblings_with_no_filter
[ OK ] TSYNC.two_siblings_with_no_filter
[ RUN ] TSYNC.two_siblings_with_one_divergence
[ OK ] TSYNC.two_siblings_with_one_divergence
[ RUN ] TSYNC.two_siblings_not_under_filter
[ OK ] TSYNC.two_siblings_not_under_filter
[ RUN ] global.syscall_restart
[ OK ] global.syscall_restart
[ RUN ] global.filter_flag_log
[ OK ] global.filter_flag_log
[ RUN ] global.get_action_avail
[ OK ] global.get_action_avail
[ RUN ] global.get_metadata
[ XFAIL! ] get_metadata requires real root
[ OK ] global.get_metadata
[ RUN ] global.user_notification_basic
[ OK ] global.user_notification_basic
[ RUN ] global.user_notification_kill_in_middle
[ OK ] global.user_notification_kill_in_middle
[ RUN ] global.user_notification_signal
[ OK ] global.user_notification_signal
[ RUN ] global.user_notification_closed_listener
[ OK ] global.user_notification_closed_listener
[ RUN ] global.user_notification_child_pid_ns
[ OK ] global.user_notification_child_pid_ns
[ RUN ] global.user_notification_sibling_pid_ns
seccomp_bpf.c:3414:global.user_notification_sibling_pid_ns:Expected
unshare(CLONE_NEWPID) (18446744073709551615) == 0 (0)
seccomp_bpf.c:3399:global.user_notification_sibling_pid_ns:Expected
unshare(CLONE_NEWPID) (18446744073709551615) == 0 (0)
global.user_notification_sibling_pid_ns: Test terminated by assertion
[ FAIL ] global.user_notification_sibling_pid_ns
[ RUN ] global.user_notification_fault_recv
[ OK ] global.user_notification_fault_recv
[ RUN ] global.seccomp_get_notif_sizes
[ OK ] global.seccomp_get_notif_sizes
[ RUN ] global.user_notification_continue
[ OK ] global.user_notification_continue
[==========] 74 / 75 tests passed.
[ FAILED ]
It would appear that running this with "sudo" is the problem, upon
changing to the root user and re-running
root@ip-172-31-20-80:/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/seccomp#
./seccomp_bpf
[==========] Running 75 tests from 1 test cases.
[ RUN ] global.mode_strict_support
[ OK ] global.mode_strict_support
[ RUN ] global.mode_strict_cannot_call_prctl
[ OK ] global.mode_strict_cannot_call_prctl
[ RUN ] global.no_new_privs_support
[ OK ] global.no_new_privs_support
[ RUN ] global.mode_filter_support
[ OK ] global.mode_filter_support
[ RUN ] global.mode_filter_without_nnp
[ OK ] global.mode_filter_without_nnp
[ RUN ] global.filter_size_limits
[ OK ] global.filter_size_limits
[ RUN ] global.filter_chain_limits
[ OK ] global.filter_chain_limits
[ RUN ] global.mode_filter_cannot_move_to_strict
[ OK ] global.mode_filter_cannot_move_to_strict
[ RUN ] global.mode_filter_get_seccomp
[ OK ] global.mode_filter_get_seccomp
[ RUN ] global.ALLOW_all
[ OK ] global.ALLOW_all
[ RUN ] global.empty_prog
[ OK ] global.empty_prog
[ RUN ] global.log_all
[ OK ] global.log_all
[ RUN ] global.unknown_ret_is_kill_inside
[ OK ] global.unknown_ret_is_kill_inside
[ RUN ] global.unknown_ret_is_kill_above_allow
[ OK ] global.unknown_ret_is_kill_above_allow
[ RUN ] global.KILL_all
[ OK ] global.KILL_all
[ RUN ] global.KILL_one
[ OK ] global.KILL_one
[ RUN ] global.KILL_one_arg_one
[ OK ] global.KILL_one_arg_one
[ RUN ] global.KILL_one_arg_six
[ OK ] global.KILL_one_arg_six
[ RUN ] global.KILL_thread
[ OK ] global.KILL_thread
[ RUN ] global.KILL_process
[ OK ] global.KILL_process
[ RUN ] global.arg_out_of_range
[ OK ] global.arg_out_of_range
[ RUN ] global.ERRNO_valid
[ OK ] global.ERRNO_valid
[ RUN ] global.ERRNO_zero
[ OK ] global.ERRNO_zero
[ RUN ] global.ERRNO_capped
[ OK ] global.ERRNO_capped
[ RUN ] global.ERRNO_order
[ OK ] global.ERRNO_order
[ RUN ] TRAP.dfl
[ OK ] TRAP.dfl
[ RUN ] TRAP.ign
[ OK ] TRAP.ign
[ RUN ] TRAP.handler
[ OK ] TRAP.handler
[ RUN ] precedence.allow_ok
[ OK ] precedence.allow_ok
[ RUN ] precedence.kill_is_highest
[ OK ] precedence.kill_is_highest
[ RUN ] precedence.kill_is_highest_in_any_order
[ OK ] precedence.kill_is_highest_in_any_order
[ RUN ] precedence.trap_is_second
[ OK ] precedence.trap_is_second
[ RUN ] precedence.trap_is_second_in_any_order
[ OK ] precedence.trap_is_second_in_any_order
[ RUN ] precedence.errno_is_third
[ OK ] precedence.errno_is_third
[ RUN ] precedence.errno_is_third_in_any_order
[ OK ] precedence.errno_is_third_in_any_order
[ RUN ] precedence.trace_is_fourth
[ OK ] precedence.trace_is_fourth
[ RUN ] precedence.trace_is_fourth_in_any_order
[ OK ] precedence.trace_is_fourth_in_any_order
[ RUN ] precedence.log_is_fifth
[ OK ] precedence.log_is_fifth
[ RUN ] precedence.log_is_fifth_in_any_order
[ OK ] precedence.log_is_fifth_in_any_order
[ RUN ] TRACE_poke.read_has_side_effects
[ OK ] TRACE_poke.read_has_side_effects
[ RUN ] TRACE_poke.getpid_runs_normally
[ OK ] TRACE_poke.getpid_runs_normally
[ RUN ] TRACE_syscall.ptrace_syscall_redirected
[ OK ] TRACE_syscall.ptrace_syscall_redirected
[ RUN ] TRACE_syscall.ptrace_syscall_errno
[ OK ] TRACE_syscall.ptrace_syscall_errno
[ RUN ] TRACE_syscall.ptrace_syscall_faked
[ OK ] TRACE_syscall.ptrace_syscall_faked
[ RUN ] TRACE_syscall.syscall_allowed
[ OK ] TRACE_syscall.syscall_allowed
[ RUN ] TRACE_syscall.syscall_redirected
[ OK ] TRACE_syscall.syscall_redirected
[ RUN ] TRACE_syscall.syscall_errno
[ OK ] TRACE_syscall.syscall_errno
[ RUN ] TRACE_syscall.syscall_faked
[ OK ] TRACE_syscall.syscall_faked
[ RUN ] TRACE_syscall.skip_after_RET_TRACE
[ OK ] TRACE_syscall.skip_after_RET_TRACE
[ RUN ] TRACE_syscall.kill_after_RET_TRACE
[ OK ] TRACE_syscall.kill_after_RET_TRACE
[ RUN ] TRACE_syscall.skip_after_ptrace
[ OK ] TRACE_syscall.skip_after_ptrace
[ RUN ] TRACE_syscall.kill_after_ptrace
[ OK ] TRACE_syscall.kill_after_ptrace
[ RUN ] global.seccomp_syscall
[ OK ] global.seccomp_syscall
[ RUN ] global.seccomp_syscall_mode_lock
[ OK ] global.seccomp_syscall_mode_lock
[ RUN ] global.detect_seccomp_filter_flags
[ OK ] global.detect_seccomp_filter_flags
[ RUN ] global.TSYNC_first
[ OK ] global.TSYNC_first
[ RUN ] TSYNC.siblings_fail_prctl
[ OK ] TSYNC.siblings_fail_prctl
[ RUN ] TSYNC.two_siblings_with_ancestor
[ OK ] TSYNC.two_siblings_with_ancestor
[ RUN ] TSYNC.two_sibling_want_nnp
[ OK ] TSYNC.two_sibling_want_nnp
[ RUN ] TSYNC.two_siblings_with_no_filter
[ OK ] TSYNC.two_siblings_with_no_filter
[ RUN ] TSYNC.two_siblings_with_one_divergence
[ OK ] TSYNC.two_siblings_with_one_divergence
[ RUN ] TSYNC.two_siblings_not_under_filter
[ OK ] TSYNC.two_siblings_not_under_filter
[ RUN ] global.syscall_restart
[ OK ] global.syscall_restart
[ RUN ] global.filter_flag_log
[ OK ] global.filter_flag_log
[ RUN ] global.get_action_avail
[ OK ] global.get_action_avail
[ RUN ] global.get_metadata
[ OK ] global.get_metadata
[ RUN ] global.user_notification_basic
[ OK ] global.user_notification_basic
[ RUN ] global.user_notification_kill_in_middle
[ OK ] global.user_notification_kill_in_middle
[ RUN ] global.user_notification_signal
[ OK ] global.user_notification_signal
[ RUN ] global.user_notification_closed_listener
[ OK ] global.user_notification_closed_listener
[ RUN ] global.user_notification_child_pid_ns
[ OK ] global.user_notification_child_pid_ns
[ RUN ] global.user_notification_sibling_pid_ns
[ OK ] global.user_notification_sibling_pid_ns
[ RUN ] global.user_notification_fault_recv
[ OK ] global.user_notification_fault_recv
[ RUN ] global.seccomp_get_notif_sizes
[ OK ] global.seccomp_get_notif_sizes
[ RUN ] global.user_notification_continue
[ OK ] global.user_notification_continue
[==========] 75 / 75 tests passed.
[ PASSED ]
The test passes. most likely what has to happen here is the test should be
changed to run directly as the root user and not sudo.
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