linux-kernel - [PATCH] tracing: Hide __NR_utimensat and _NR_mq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20251104205310.00a1db9a@batman.local.home>
Date: Tue, 4 Nov 2025 20:53:10 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: LKML <linux-kernel@...r.kernel.org>, Linux trace kernel
 <linux-trace-kernel@...r.kernel.org>
Cc: Masami Hiramatsu <mhiramat@...nel.org>, Mathieu Desnoyers
 <mathieu.desnoyers@...icios.com>, kernel test robot <lkp@...el.com>
Subject: [PATCH] tracing: Hide __NR_utimensat and _NR_mq_timedsend when not
 defined

From: Steven Rostedt <rostedt@...dmis.org>

Some architectures (riscv-32) do not define __NR_utimensat and
_NR_mq_timedsend, and fails to build when they are used.

Hide them in "ifdef"s.

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202511031239.ZigDcWzY-lkp@intel.com/
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 kernel/trace/trace_syscalls.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index e07c5a3cc7ab..e96d0063cbcf 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -1072,7 +1072,9 @@ static void check_faultable_syscall(struct trace_event_call *call, int nr)
 	switch (nr) {
 	/* user arg 1 with size arg at 2 */
 	case __NR_write:
+#ifdef __NR_mq_timedsend
 	case __NR_mq_timedsend:
+#endif
 	case __NR_pwrite64:
 		sys_data->user_mask = BIT(1);
 		sys_data->user_arg_size = 2;
@@ -1186,7 +1188,9 @@ static void check_faultable_syscall(struct trace_event_call *call, int nr)
 	case __NR_syslog:
 	case __NR_statx:
 	case __NR_unlinkat:
+#ifdef __NR_utimensat
 	case __NR_utimensat:
+#endif
 		sys_data->user_mask = BIT(1);
 		break;
 	/* user arg at position 2 */
-- 
2.51.0