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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1812824
Title:
Multiple TRACE_syscall related failures in seccomp test from
ubuntu_kernel_selftests found on B s390x
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Bug description:
There are multiple failures related to the TRACE_SYSCALL:
[ FAIL ] TRACE_syscall.ptrace_syscall_dropped
[ FAIL ] TRACE_syscall.syscall_dropped
[ FAIL ] TRACE_syscall.skip_after_RET_TRACE
[ FAIL ] TRACE_syscall.kill_after_RET_TRACE
[ FAIL ] TRACE_syscall.skip_after_ptrace
[ FAIL ] TRACE_syscall.kill_after_ptrace
TRACE_syscall.ptrace_syscall_dropped: Test failed at step #223
TRACE_syscall.syscall_dropped: Test failed at step #2
seccomp_bpf.c:1884:TRACE_syscall.skip_after_RET_TRACE:Expected -1
(18446744073709551615) == syscall(20) (9627)
seccomp_bpf.c:1885:TRACE_syscall.skip_after_RET_TRACE:Expected 1 (1) ==
(*__errno_location ()) (0)
TRACE_syscall.skip_after_RET_TRACE: Test failed at step #12
TRACE_syscall.kill_after_RET_TRACE: Test exited normally instead of by
signal (code: 0)
seccomp_bpf.c:1946:TRACE_syscall.skip_after_ptrace:Expected -1
(18446744073709551615) == syscall(20) (9627)
seccomp_bpf.c:1947:TRACE_syscall.skip_after_ptrace:Expected 1 (1) ==
(*__errno_location ()) (0)
TRACE_syscall.skip_after_ptrace: Test failed at step #15
TAP version 13
selftests: seccomp_bpf
========================================
seccomp_bpf.c:608:global.KILL_one_arg_six:Expected ((void *) -1)
(18446744073709551615) != map1 (18446744073709551615)
[==========] Running 64 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
TRACE_syscall.ptrace_syscall_dropped: Test failed at step #223
TRACE_syscall.syscall_dropped: Test failed at step #2
seccomp_bpf.c:1884:TRACE_syscall.skip_after_RET_TRACE:Expected -1
(18446744073709551615) == syscall(20) (9627)
seccomp_bpf.c:1885:TRACE_syscall.skip_after_RET_TRACE:Expected 1 (1) ==
(*__errno_location ()) (0)
TRACE_syscall.skip_after_RET_TRACE: Test failed at step #12
TRACE_syscall.kill_after_RET_TRACE: Test exited normally instead of by
signal (code: 0)
seccomp_bpf.c:1946:TRACE_syscall.skip_after_ptrace:Expected -1
(18446744073709551615) == syscall(20) (9627)
seccomp_bpf.c:1947:TRACE_syscall.skip_after_ptrace:Expected 1 (1) ==
(*__errno_location ()) (0)
TRACE_syscall.skip_after_ptrace: Test failed at step #15
[==========] Running 64 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
TRACE_syscall.kill_after_ptrace: Test exited normally instead of by signal
(code: 0)
[ 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_dropped
[ FAIL ] TRACE_syscall.ptrace_syscall_dropped
[ RUN ] TRACE_syscall.syscall_allowed
[ OK ] TRACE_syscall.syscall_allowed
[ RUN ] TRACE_syscall.syscall_redirected
[ OK ] TRACE_syscall.syscall_redirected
[ RUN ] TRACE_syscall.syscall_dropped
[ FAIL ] TRACE_syscall.syscall_dropped
[ RUN ] TRACE_syscall.skip_after_RET_TRACE
[ FAIL ] TRACE_syscall.skip_after_RET_TRACE
[ RUN ] TRACE_syscall.kill_after_RET_TRACE
[ FAIL ] TRACE_syscall.kill_after_RET_TRACE
[ RUN ] TRACE_syscall.skip_after_ptrace
[ FAIL ] TRACE_syscall.skip_after_ptrace
[ RUN ] TRACE_syscall.kill_after_ptrace
[ FAIL ] 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
[ FAIL ] global.get_metadata
seccomp_bpf.c:2913:global.get_metadata:Expected sizeof(md) (16) ==
ptrace(0x420d, pid, sizeof(md), &md) (18446744073709551615)
global.get_metadata: Test terminated by assertion
[==========] 57 / 64 tests passed.
[ FAILED ]
not ok 1..1 selftests: seccomp_bpf [FAIL]
selftests: seccomp_benchmark
========================================
Calibrating reasonable sample size...
1547556662.685514984 - 1547556662.685511561 = 3423
1547556662.685524074 - 1547556662.685517590 = 6484
1547556662.685537650 - 1547556662.685524710 = 12940
1547556662.685564041 - 1547556662.685538197 = 25844
1547556662.685616238 - 1547556662.685564592 = 51646
1547556662.685720070 - 1547556662.685616780 = 103290
1547556662.685926714 - 1547556662.685720611 = 206103
1547556662.686340213 - 1547556662.685927269 = 412944
1547556662.687182426 - 1547556662.686340767 = 841659
1547556662.688827737 - 1547556662.687183019 = 1644718
1547556662.692103625 - 1547556662.688828328 = 3275297
1547556662.708406373 - 1547556662.692104316 = 16302057
1547556662.736775160 - 1547556662.708410125 = 28365035
1547556662.763684125 - 1547556662.736777792 = 26906333
1547556662.817027186 - 1547556662.763688482 = 53338704
1547556662.924480311 - 1547556662.817032207 = 107448104
1547556663.139037436 - 1547556662.924484395 = 214553041
1547556663.575995823 - 1547556663.139041355 = 436954468
1547556664.435247875 - 1547556663.576001710 = 859246165
1547556666.165215500 - 1547556664.435254267 = 1729961233
1547556669.604404063 - 1547556666.165222299 = 3439181764
1547556676.445414498 - 1547556669.604413590 = 6841000908
Benchmarking 67108864 samples...
20.529020669 - 13.730311033 = 6798709636
getpid native: 101 ns
32.996770569 - 20.529222674 = 12467547895
getpid RET_ALLOW: 185 ns
Estimated seccomp overhead per syscall: 84 ns
ok 1..2 selftests: seccomp_benchmark [PASS]
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-44-generic 4.15.0-44.47
ProcVersionSignature: Ubuntu 4.15.0-44.47-generic 4.15.18
Uname: Linux 4.15.0-44-generic s390x
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code
2: ls: cannot access '/dev/snd/': No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: s390x
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
CurrentDmesg:
Date: Tue Jan 22 09:08:26 2019
HibernationDevice: RESUME=UUID=caaee9b2-6bc1-4c8e-b26c-69038c092091
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:
ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb'
ProcKernelCmdLine: root=UUID=c7d7bbcb-a039-4ead-abfe-7672dea0add4
crashkernel=196M
RelatedPackageVersions:
linux-restricted-modules-4.15.0-44-generic N/A
linux-backports-modules-4.15.0-44-generic N/A
linux-firmware 1.173.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
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