[PATCH] seccomp: Fix syscall skip logic on ptrace
Michal Suchánek
msuchanek at suse.de
Tue Oct 6 08:35:06 PDT 2026
On Tue, Sep 01, 2026 at 11:34:31AM -0700, Kees Cook wrote:
> On Tue, Jul 21, 2026 at 12:44:37PM +0200, Michal Suchanek wrote:
> > seccomp takes a shortcut here. When the syscall number is re-read after
> > ptrace and the sign bit is set in the syscall number the syscall is
> > skipped right away.
> >
> > This works fairly well on x86 where the return value of the syscall is
> > preset before seccomp is processed.
> >
> > However, on some architectures the syscall return value overlaps with
> > the syscall number or syscall arguments, and as a result the return
> > value cannot be preset in advance.
> >
> > For these architectures seccomp needs to exit without flagging the
> > syscall as skipped. Then processing of invalid syscall number in the
> > architecture code should set the return value to -ENOSYS and skip the
> > syscall.
> >
> > This introduces a change: If the syscall number has the sign bit
> > set, such as -1, previously the filter re-check would not be done, not
> > applying the filter after trace. Now the re-check is done both for
> > syscall nubers with and without sign bit set. This would only make a
> > difference if the syscall number or the filter was changed by the
> > tracer. Otherwise the filter would be resolved the first time around.
> >
> > Signed-off-by: Michal Suchanek <msuchanek at suse.de>
> > ---
> > kernel/seccomp.c | 5 +----
> > 1 file changed, 1 insertion(+), 4 deletions(-)
> >
> > diff --git a/kernel/seccomp.c b/kernel/seccomp.c
> > index 066909393c38..9e40a38aaedf 100644
> > --- a/kernel/seccomp.c
> > +++ b/kernel/seccomp.c
> > @@ -1318,11 +1318,8 @@ static int __seccomp_filter(int this_syscall, const bool recheck_after_trace)
> > */
> > if (fatal_signal_pending(current))
> > goto skip;
> > - /* Check if the tracer forced the syscall to be skipped. */
> > - this_syscall = syscall_get_nr(current, current_pt_regs());
> > - if (this_syscall < 0)
> > - goto skip;
> >
> > + this_syscall = syscall_get_nr(current, current_pt_regs());
> > /*
> > * Recheck the syscall, since it may have changed. This
> > * intentionally uses a NULL struct seccomp_data to force
>
> Does the seccomp selftest still pass with this change? I _think_ it's
> fine; this just induces more work on a tracer-induced skip path, which,
> in theory, shouldn't be fast-path: kicking out to the tracer is going to
> be the slowest part.
It does not pass without this change, either.
On 7.3-rc6 I get:
./seccomp_bpf
TAP version 13
1..111
# Starting 111 tests from 11 test cases.
# RUN global.kcmp ...
# OK global.kcmp
ok 1 global.kcmp
# RUN global.mode_strict_support ...
# OK global.mode_strict_support
ok 2 global.mode_strict_support
# RUN global.mode_strict_cannot_call_prctl ...
# OK global.mode_strict_cannot_call_prctl
ok 3 global.mode_strict_cannot_call_prctl
# RUN global.no_new_privs_support ...
# OK global.no_new_privs_support
ok 4 global.no_new_privs_support
# RUN global.mode_filter_support ...
# OK global.mode_filter_support
ok 5 global.mode_filter_support
# RUN global.mode_filter_without_nnp ...
# OK global.mode_filter_without_nnp
ok 6 global.mode_filter_without_nnp
# RUN global.filter_size_limits ...
# OK global.filter_size_limits
ok 7 global.filter_size_limits
# RUN global.filter_chain_limits ...
# OK global.filter_chain_limits
ok 8 global.filter_chain_limits
# RUN global.mode_filter_cannot_move_to_strict ...
# OK global.mode_filter_cannot_move_to_strict
ok 9 global.mode_filter_cannot_move_to_strict
# RUN global.mode_filter_get_seccomp ...
# OK global.mode_filter_get_seccomp
ok 10 global.mode_filter_get_seccomp
# RUN global.ALLOW_all ...
# OK global.ALLOW_all
ok 11 global.ALLOW_all
# RUN global.empty_prog ...
# OK global.empty_prog
ok 12 global.empty_prog
# RUN global.log_all ...
# OK global.log_all
ok 13 global.log_all
# RUN global.unknown_ret_is_kill_inside ...
# OK global.unknown_ret_is_kill_inside
ok 14 global.unknown_ret_is_kill_inside
# RUN global.unknown_ret_is_kill_above_allow ...
# OK global.unknown_ret_is_kill_above_allow
ok 15 global.unknown_ret_is_kill_above_allow
# RUN global.KILL_all ...
# OK global.KILL_all
ok 16 global.KILL_all
# RUN global.KILL_one ...
# OK global.KILL_one
ok 17 global.KILL_one
# RUN global.KILL_one_arg_one ...
# OK global.KILL_one_arg_one
ok 18 global.KILL_one_arg_one
# RUN global.KILL_one_arg_six ...
# OK global.KILL_one_arg_six
ok 19 global.KILL_one_arg_six
# RUN global.KILL_thread ...
# OK global.KILL_thread
ok 20 global.KILL_thread
# RUN global.KILL_process ...
# OK global.KILL_process
ok 21 global.KILL_process
# RUN global.KILL_unknown ...
# OK global.KILL_unknown
ok 22 global.KILL_unknown
# RUN global.arg_out_of_range ...
# OK global.arg_out_of_range
ok 23 global.arg_out_of_range
# RUN global.ERRNO_valid ...
# OK global.ERRNO_valid
ok 24 global.ERRNO_valid
# RUN global.ERRNO_zero ...
# OK global.ERRNO_zero
ok 25 global.ERRNO_zero
# RUN global.ERRNO_capped ...
# OK global.ERRNO_capped
ok 26 global.ERRNO_capped
# RUN global.ERRNO_order ...
# OK global.ERRNO_order
ok 27 global.ERRNO_order
# RUN global.negative_ENOSYS ...
# OK global.negative_ENOSYS
ok 28 global.negative_ENOSYS
# RUN global.seccomp_syscall ...
# OK global.seccomp_syscall
ok 29 global.seccomp_syscall
# RUN global.seccomp_syscall_mode_lock ...
# OK global.seccomp_syscall_mode_lock
ok 30 global.seccomp_syscall_mode_lock
# RUN global.detect_seccomp_filter_flags ...
# OK global.detect_seccomp_filter_flags
ok 31 global.detect_seccomp_filter_flags
# RUN global.TSYNC_first ...
# OK global.TSYNC_first
ok 32 global.TSYNC_first
# RUN global.syscall_restart ...
# OK global.syscall_restart
ok 33 global.syscall_restart
# RUN global.filter_flag_log ...
# OK global.filter_flag_log
ok 34 global.filter_flag_log
# RUN global.get_action_avail ...
# OK global.get_action_avail
ok 35 global.get_action_avail
# RUN global.get_metadata ...
# OK global.get_metadata
ok 36 global.get_metadata
# RUN global.user_notification_basic ...
# seccomp_bpf.c:3488:user_notification_basic:Expected 0 (0) == WEXITSTATUS(status) (1)
# user_notification_basic: Test failed
# FAIL global.user_notification_basic
not ok 37 global.user_notification_basic
# RUN global.user_notification_with_tsync ...
# OK global.user_notification_with_tsync
ok 38 global.user_notification_with_tsync
# RUN global.user_notification_kill_in_middle ...
# OK global.user_notification_kill_in_middle
ok 39 global.user_notification_kill_in_middle
# RUN global.user_notification_signal ...
# OK global.user_notification_signal
ok 40 global.user_notification_signal
# RUN global.user_notification_closed_listener ...
# OK global.user_notification_closed_listener
ok 41 global.user_notification_closed_listener
# RUN global.user_notification_child_pid_ns ...
# seccomp_bpf.c:3713:user_notification_child_pid_ns:Expected 0 (0) == WEXITSTATUS(status) (1)
# user_notification_child_pid_ns: Test failed
# FAIL global.user_notification_child_pid_ns
not ok 42 global.user_notification_child_pid_ns
# RUN global.user_notification_sibling_pid_ns ...
# seccomp_bpf.c:3755:user_notification_sibling_pid_ns:Expected 0 (0) == WEXITSTATUS(status) (1)
# seccomp_bpf.c:3791:user_notification_sibling_pid_ns:Expected 0 (0) == WEXITSTATUS(status) (1)
# user_notification_sibling_pid_ns: Test failed
# FAIL global.user_notification_sibling_pid_ns
not ok 43 global.user_notification_sibling_pid_ns
# RUN global.user_notification_fault_recv ...
# seccomp_bpf.c:3836:user_notification_fault_recv:Expected 0 (0) == WEXITSTATUS(status) (1)
# user_notification_fault_recv: Test failed
# FAIL global.user_notification_fault_recv
not ok 44 global.user_notification_fault_recv
# RUN global.seccomp_get_notif_sizes ...
# OK global.seccomp_get_notif_sizes
ok 45 global.seccomp_get_notif_sizes
# RUN global.user_notification_continue ...
# OK global.user_notification_continue
ok 46 global.user_notification_continue
# RUN global.user_notification_filter_empty ...
# OK global.user_notification_filter_empty
ok 47 global.user_notification_filter_empty
# RUN global.user_ioctl_notification_filter_empty ...
# OK global.user_ioctl_notification_filter_empty
ok 48 global.user_ioctl_notification_filter_empty
# RUN global.user_notification_filter_empty_threaded ...
# OK global.user_notification_filter_empty_threaded
ok 49 global.user_notification_filter_empty_threaded
# RUN global.user_notification_addfd ...
# user_notification_addfd: Test terminated by timeout
# FAIL global.user_notification_addfd
not ok 50 global.user_notification_addfd
# RUN global.user_notification_addfd_rlimit ...
# seccomp_bpf.c:4366:user_notification_addfd_rlimit:Expected 0 (0) == WEXITSTATUS(status) (1)
# user_notification_addfd_rlimit: Test failed
# FAIL global.user_notification_addfd_rlimit
not ok 51 global.user_notification_addfd_rlimit
# RUN global.user_notification_sync ...
# seccomp_bpf.c:4404:user_notification_sync:Expected ret (0) == USER_NOTIF_MAGIC (2147483647)
# seccomp_bpf.c:4422:user_notification_sync:Expected status (256) == 0 (0)
# user_notification_sync: Test terminated by assertion
# FAIL global.user_notification_sync
not ok 52 global.user_notification_sync
# RUN global.user_notification_fifo ...
# seccomp_bpf.c:4581:user_notification_fifo:Expected 0 (0) == WEXITSTATUS(status) (1)
# seccomp_bpf.c:4615:user_notification_fifo:Expected 0 (0) == WEXITSTATUS(status) (1)
# seccomp_bpf.c:4615:user_notification_fifo:Expected 0 (0) == WEXITSTATUS(status) (1)
# seccomp_bpf.c:4615:user_notification_fifo:Expected 0 (0) == WEXITSTATUS(status) (1)
# user_notification_fifo: Test failed
# FAIL global.user_notification_fifo
not ok 53 global.user_notification_fifo
# RUN global.user_notification_wait_killable_pre_notification ...
# OK global.user_notification_wait_killable_pre_notification
ok 54 global.user_notification_wait_killable_pre_notification
# RUN global.user_notification_wait_killable ...
# seccomp_bpf.c:4788:user_notification_wait_killable:Expected 0 (0) == WEXITSTATUS(status) (1)
# user_notification_wait_killable: Test failed
# FAIL global.user_notification_wait_killable
not ok 55 global.user_notification_wait_killable
# RUN global.user_notification_wait_killable_fatal ...
# OK global.user_notification_wait_killable_fatal
ok 56 global.user_notification_wait_killable_fatal
# RUN global.user_notification_wait_killable_after_reply ...
# OK global.user_notification_wait_killable_after_reply
ok 57 global.user_notification_wait_killable_after_reply
# RUN global.tsync_vs_dead_thread_leader ...
# OK global.tsync_vs_dead_thread_leader
ok 58 global.tsync_vs_dead_thread_leader
# RUN TRAP.dfl ...
# OK TRAP.dfl
ok 59 TRAP.dfl
# RUN TRAP.ign ...
# OK TRAP.ign
ok 60 TRAP.ign
# RUN TRAP.handler ...
# OK TRAP.handler
ok 61 TRAP.handler
# RUN precedence.allow_ok ...
# OK precedence.allow_ok
ok 62 precedence.allow_ok
# RUN precedence.kill_is_highest ...
# OK precedence.kill_is_highest
ok 63 precedence.kill_is_highest
# RUN precedence.kill_is_highest_in_any_order ...
# OK precedence.kill_is_highest_in_any_order
ok 64 precedence.kill_is_highest_in_any_order
# RUN precedence.trap_is_second ...
# OK precedence.trap_is_second
ok 65 precedence.trap_is_second
# RUN precedence.trap_is_second_in_any_order ...
# OK precedence.trap_is_second_in_any_order
ok 66 precedence.trap_is_second_in_any_order
# RUN precedence.errno_is_third ...
# OK precedence.errno_is_third
ok 67 precedence.errno_is_third
# RUN precedence.errno_is_third_in_any_order ...
# OK precedence.errno_is_third_in_any_order
ok 68 precedence.errno_is_third_in_any_order
# RUN precedence.trace_is_fourth ...
# OK precedence.trace_is_fourth
ok 69 precedence.trace_is_fourth
# RUN precedence.trace_is_fourth_in_any_order ...
# OK precedence.trace_is_fourth_in_any_order
ok 70 precedence.trace_is_fourth_in_any_order
# RUN precedence.log_is_fifth ...
# OK precedence.log_is_fifth
ok 71 precedence.log_is_fifth
# RUN precedence.log_is_fifth_in_any_order ...
# OK precedence.log_is_fifth_in_any_order
ok 72 precedence.log_is_fifth_in_any_order
# RUN TRACE_poke.read_has_side_effects ...
# OK TRACE_poke.read_has_side_effects
ok 73 TRACE_poke.read_has_side_effects
# RUN TRACE_poke.getpid_runs_normally ...
# OK TRACE_poke.getpid_runs_normally
ok 74 TRACE_poke.getpid_runs_normally
# RUN TRACE_syscall.ptrace.negative_ENOSYS ...
# OK TRACE_syscall.ptrace.negative_ENOSYS
ok 75 TRACE_syscall.ptrace.negative_ENOSYS
# RUN TRACE_syscall.ptrace.syscall_allowed ...
# OK TRACE_syscall.ptrace.syscall_allowed
ok 76 TRACE_syscall.ptrace.syscall_allowed
# RUN TRACE_syscall.ptrace.syscall_redirected ...
# OK TRACE_syscall.ptrace.syscall_redirected
ok 77 TRACE_syscall.ptrace.syscall_redirected
# RUN TRACE_syscall.ptrace.syscall_errno ...
# OK TRACE_syscall.ptrace.syscall_errno
ok 78 TRACE_syscall.ptrace.syscall_errno
# RUN TRACE_syscall.ptrace.syscall_faked ...
# OK TRACE_syscall.ptrace.syscall_faked
ok 79 TRACE_syscall.ptrace.syscall_faked
# RUN TRACE_syscall.ptrace.kill_immediate ...
# OK TRACE_syscall.ptrace.kill_immediate
ok 80 TRACE_syscall.ptrace.kill_immediate
# RUN TRACE_syscall.ptrace.skip_after ...
# OK TRACE_syscall.ptrace.skip_after
ok 81 TRACE_syscall.ptrace.skip_after
# RUN TRACE_syscall.ptrace.kill_after ...
# OK TRACE_syscall.ptrace.kill_after
ok 82 TRACE_syscall.ptrace.kill_after
# RUN TRACE_syscall.seccomp.negative_ENOSYS ...
# OK TRACE_syscall.seccomp.negative_ENOSYS
ok 83 TRACE_syscall.seccomp.negative_ENOSYS
# RUN TRACE_syscall.seccomp.syscall_allowed ...
# OK TRACE_syscall.seccomp.syscall_allowed
ok 84 TRACE_syscall.seccomp.syscall_allowed
# RUN TRACE_syscall.seccomp.syscall_redirected ...
# OK TRACE_syscall.seccomp.syscall_redirected
ok 85 TRACE_syscall.seccomp.syscall_redirected
# RUN TRACE_syscall.seccomp.syscall_errno ...
# OK TRACE_syscall.seccomp.syscall_errno
ok 86 TRACE_syscall.seccomp.syscall_errno
# RUN TRACE_syscall.seccomp.syscall_faked ...
# seccomp_bpf.c:2253:syscall_faked:Expected 45000 (45000) == syscall(207) (0)
# syscall_faked: Test failed
# FAIL TRACE_syscall.seccomp.syscall_faked
not ok 87 TRACE_syscall.seccomp.syscall_faked
# RUN TRACE_syscall.seccomp.kill_immediate ...
# OK TRACE_syscall.seccomp.kill_immediate
ok 88 TRACE_syscall.seccomp.kill_immediate
# RUN TRACE_syscall.seccomp.skip_after ...
# OK TRACE_syscall.seccomp.skip_after
ok 89 TRACE_syscall.seccomp.skip_after
# RUN TRACE_syscall.seccomp.kill_after ...
# OK TRACE_syscall.seccomp.kill_after
ok 90 TRACE_syscall.seccomp.kill_after
# RUN TSYNC.siblings_fail_prctl ...
# OK TSYNC.siblings_fail_prctl
ok 91 TSYNC.siblings_fail_prctl
# RUN TSYNC.two_siblings_with_ancestor ...
# OK TSYNC.two_siblings_with_ancestor
ok 92 TSYNC.two_siblings_with_ancestor
# RUN TSYNC.two_sibling_want_nnp ...
# OK TSYNC.two_sibling_want_nnp
ok 93 TSYNC.two_sibling_want_nnp
# RUN TSYNC.two_siblings_with_no_filter ...
# OK TSYNC.two_siblings_with_no_filter
ok 94 TSYNC.two_siblings_with_no_filter
# RUN TSYNC.two_siblings_with_one_divergence ...
# OK TSYNC.two_siblings_with_one_divergence
ok 95 TSYNC.two_siblings_with_one_divergence
# RUN TSYNC.two_siblings_with_one_divergence_no_tid_in_err ...
# OK TSYNC.two_siblings_with_one_divergence_no_tid_in_err
ok 96 TSYNC.two_siblings_with_one_divergence_no_tid_in_err
# RUN TSYNC.two_siblings_not_under_filter ...
# OK TSYNC.two_siblings_not_under_filter
ok 97 TSYNC.two_siblings_not_under_filter
# RUN O_SUSPEND_SECCOMP.setoptions ...
# OK O_SUSPEND_SECCOMP.setoptions
ok 98 O_SUSPEND_SECCOMP.setoptions
# RUN O_SUSPEND_SECCOMP.seize ...
# OK O_SUSPEND_SECCOMP.seize
ok 99 O_SUSPEND_SECCOMP.seize
# RUN UPROBE.not_attached.uprobe_default_allow ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.not_attached.uprobe_default_allow
ok 100 UPROBE.not_attached.uprobe_default_allow # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.not_attached.uprobe_default_block ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.not_attached.uprobe_default_block
ok 101 UPROBE.not_attached.uprobe_default_block # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.not_attached.uprobe_block_syscall ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.not_attached.uprobe_block_syscall
ok 102 UPROBE.not_attached.uprobe_block_syscall # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.not_attached.uprobe_default_block_with_syscall ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.not_attached.uprobe_default_block_with_syscall
ok 103 UPROBE.not_attached.uprobe_default_block_with_syscall # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.uprobe_attached.uprobe_default_allow ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.uprobe_attached.uprobe_default_allow
ok 104 UPROBE.uprobe_attached.uprobe_default_allow # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.uprobe_attached.uprobe_default_block ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.uprobe_attached.uprobe_default_block
ok 105 UPROBE.uprobe_attached.uprobe_default_block # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.uprobe_attached.uprobe_block_syscall ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.uprobe_attached.uprobe_block_syscall
ok 106 UPROBE.uprobe_attached.uprobe_block_syscall # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.uprobe_attached.uprobe_default_block_with_syscall ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.uprobe_attached.uprobe_default_block_with_syscall
ok 107 UPROBE.uprobe_attached.uprobe_default_block_with_syscall # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.uretprobe_attached.uprobe_default_allow ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.uretprobe_attached.uprobe_default_allow
ok 108 UPROBE.uretprobe_attached.uprobe_default_allow # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.uretprobe_attached.uprobe_default_block ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.uretprobe_attached.uprobe_default_block
ok 109 UPROBE.uretprobe_attached.uprobe_default_block # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.uretprobe_attached.uprobe_block_syscall ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.uretprobe_attached.uprobe_block_syscall
ok 110 UPROBE.uretprobe_attached.uprobe_block_syscall # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# RUN UPROBE.uretprobe_attached.uprobe_default_block_with_syscall ...
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.uretprobe_attached.uprobe_default_block_with_syscall
ok 111 UPROBE.uretprobe_attached.uprobe_default_block_with_syscall # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# FAILED: 101 / 111 tests passed.
# 12 skipped test(s) detected. Consider enabling relevant config options to improve coverage.
# Totals: pass:89 fail:10 xfail:0 xpass:0 skip:12 error:0
but it does have an additional failure:
--- test-base.log 2026-10-06 15:18:02.387213018 +0000
+++ test-patched.log 2026-10-06 15:32:06.286523030 +0000
@@ -279,10 +279,12 @@
# OK TRACE_syscall.seccomp.syscall_redirected
ok 85 TRACE_syscall.seccomp.syscall_redirected
# RUN TRACE_syscall.seccomp.syscall_errno ...
-# OK TRACE_syscall.seccomp.syscall_errno
-ok 86 TRACE_syscall.seccomp.syscall_errno
+# seccomp_bpf.c:2247:syscall_errno:Expected -(-3) (3) == errno (38)
+# syscall_errno: Test failed
+# FAIL TRACE_syscall.seccomp.syscall_errno
+not ok 86 TRACE_syscall.seccomp.syscall_errno
# RUN TRACE_syscall.seccomp.syscall_faked ...
-# seccomp_bpf.c:2253:syscall_faked:Expected 45000 (45000) == syscall(207) (0)
+# seccomp_bpf.c:2253:syscall_faked:Expected 45000 (45000) == syscall(207) (-1)
# syscall_faked: Test failed
# FAIL TRACE_syscall.seccomp.syscall_faked
not ok 87 TRACE_syscall.seccomp.syscall_faked
@@ -370,6 +372,6 @@
# SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
# OK UPROBE.uretprobe_attached.uprobe_default_block_with_syscall
ok 111 UPROBE.uretprobe_attached.uprobe_default_block_with_syscall # SKIP __NR_uprobe ot __NR_uretprobe syscalls not defined
-# FAILED: 101 / 111 tests passed.
+# FAILED: 100 / 111 tests passed.
# 12 skipped test(s) detected. Consider enabling relevant config options to improve coverage.
-# Totals: pass:89 fail:10 xfail:0 xpass:0 skip:12 error:0
+# Totals: pass:88 fail:11 xfail:0 xpass:0 skip:12 error:0
Thanks
Michal
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