linux-kernel - [PATCH AUTOSEL 4.14 10/14] tracing: incorrect isolate_mote_t cast in mm_vmscan_lru

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

Date:   Wed,  1 Jun 2022 10:00:23 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Vasily Averin <vvs@...nvz.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>, mingo@...hat.com,
        mgorman@...hsingularity.net, vbabka@...e.cz,
        vasily.averin@...ux.dev, hughd@...gle.com, yuzhao@...gle.com,
        willy@...radead.org, vincent.whitchurch@...s.com
Subject: [PATCH AUTOSEL 4.14 10/14] tracing: incorrect isolate_mote_t cast in mm_vmscan_lru_isolate

From: Vasily Averin <vvs@...nvz.org>

[ Upstream commit 2b132903de7124dd9a758be0c27562e91a510848 ]

Fixes following sparse warnings:

  CHECK   mm/vmscan.c
mm/vmscan.c: note: in included file (through
include/trace/trace_events.h, include/trace/define_trace.h,
include/trace/events/vmscan.h):
./include/trace/events/vmscan.h:281:1: sparse: warning:
 cast to restricted isolate_mode_t
./include/trace/events/vmscan.h:281:1: sparse: warning:
 restricted isolate_mode_t degrades to integer

Link: https://lkml.kernel.org/r/e85d7ff2-fd10-53f8-c24e-ba0458439c1b@openvz.org
Signed-off-by: Vasily Averin <vvs@...nvz.org>
Acked-by: Steven Rostedt (Google) <rostedt@...dmis.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/trace/events/vmscan.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index dc23cf032403..9553f6167e51 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -290,7 +290,7 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
 		__field(unsigned long, nr_scanned)
 		__field(unsigned long, nr_skipped)
 		__field(unsigned long, nr_taken)
-		__field(isolate_mode_t, isolate_mode)
+		__field(unsigned int, isolate_mode)
 		__field(int, lru)
 	),
 
@@ -301,7 +301,7 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
 		__entry->nr_scanned = nr_scanned;
 		__entry->nr_skipped = nr_skipped;
 		__entry->nr_taken = nr_taken;
-		__entry->isolate_mode = isolate_mode;
+		__entry->isolate_mode = (__force unsigned int)isolate_mode;
 		__entry->lru = lru;
 	),
 
-- 
2.35.1