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: <20230803205236.32201-1-ppbuk5246@gmail.com>
Date:   Thu,  3 Aug 2023 21:52:36 +0100
From:   Levi Yun <ppbuk5246@...il.com>
To:     rostedt@...dmis.org, mhiramat@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        Levi Yun <ppbuk5246@...il.com>
Subject: [PATCH] ftrace: Use within_module to check rec->ip within specified module.

within_module_core && within_module_init condition is same to
within module but it's more readable.

Use within_module instead of former condition to check rec->ip
within specified module area or not.

Signed-off-by: Levi Yun <ppbuk5246@...il.com>
---
 kernel/trace/ftrace.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 05c0024815bf..c46dd6d97afe 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -6779,8 +6779,7 @@ void ftrace_release_mod(struct module *mod)
 	last_pg = &ftrace_pages_start;
 	for (pg = ftrace_pages_start; pg; pg = *last_pg) {
 		rec = &pg->records[0];
-		if (within_module_core(rec->ip, mod) ||
-		    within_module_init(rec->ip, mod)) {
+		if (within_module(rec->ip, mod)) {
 			/*
 			 * As core pages are first, the first
 			 * page should never be a module page.
@@ -6852,8 +6851,7 @@ void ftrace_module_enable(struct module *mod)
 		 * not part of this module, then skip this pg,
 		 * which the "break" will do.
 		 */
-		if (!within_module_core(rec->ip, mod) &&
-		    !within_module_init(rec->ip, mod))
+		if (!within_module(rec->ip, mod))
 			break;
 
 		/* Weak functions should still be ignored */
-- 
2.37.2

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ