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Multiple TRACE_syscall related failures in seccomp test from ubuntu_kernel_selftests found on B s390x

Bug #1812824 reported by Po-Hsu Lin
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This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-kernel-tests
Fix Released
Undecided
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linux (Ubuntu)
Invalid
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Bionic
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Bug Description

There are multiple failures related to the TRACE_SYSCALL:

 [ 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)

See original description
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :
summary: Multiple TRACE_syscall related failures in ftraces test from
- ubuntu_kernel_selftests
+ ubuntu_kernel_selftests found on B s390x
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1812824

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Po-Hsu Lin (cypressyew)
summary: - Multiple TRACE_syscall related failures in ftraces test from
+ Multiple TRACE_syscall related failures in seccomp test from
ubuntu_kernel_selftests found on B s390x
Po-Hsu Lin (cypressyew)
tags: added: ubuntu-kernel-selftests
Po-Hsu Lin (cypressyew)
tags: added: sru-20200217
Po-Hsu Lin (cypressyew)
description: updated
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Didn't see this on B-s390x (LPAR / zVM)
Closing this bug.

Changed in ubuntu-kernel-tests:
status: New → Fix Released
Changed in linux (Ubuntu):
status: Incomplete → Invalid
Changed in linux (Ubuntu Bionic):
status: New → Invalid
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