* [PATCH blktests] check: Suppress kmemleak scanning failures
@ 2026-03-23 20:05 Bart Van Assche
2026-03-31 0:36 ` Shinichiro Kawasaki
0 siblings, 1 reply; 2+ messages in thread
From: Bart Van Assche @ 2026-03-23 20:05 UTC (permalink / raw)
To: Shin'ichiro Kawasaki; +Cc: Damien Le Moal, linux-block, Bart Van Assche
kmemleak disables itself if an internal error has been encountered. If
this happens, any attempt to write into /sys/kernel/debug/kmemleak
triggers the error "Operation not permitted". Suppress this error
message instead of displaying it on stdout.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
check | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/check b/check
index f170458fdb69..d2232828a9e3 100755
--- a/check
+++ b/check
@@ -233,7 +233,7 @@ _check_kmemleak() {
((KMEMLEAK)) || return 0
- echo scan > "$KMEMLEAK_FILE"
+ { echo scan > "$KMEMLEAK_FILE"; } 2>/dev/null || return 0
sleep 1
kmemleak=$(cat "$KMEMLEAK_FILE")
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH blktests] check: Suppress kmemleak scanning failures
2026-03-23 20:05 [PATCH blktests] check: Suppress kmemleak scanning failures Bart Van Assche
@ 2026-03-31 0:36 ` Shinichiro Kawasaki
0 siblings, 0 replies; 2+ messages in thread
From: Shinichiro Kawasaki @ 2026-03-31 0:36 UTC (permalink / raw)
To: Bart Van Assche; +Cc: Damien Le Moal, linux-block@vger.kernel.org
On Mar 23, 2026 / 13:05, Bart Van Assche wrote:
> kmemleak disables itself if an internal error has been encountered. If
> this happens, any attempt to write into /sys/kernel/debug/kmemleak
> triggers the error "Operation not permitted". Suppress this error
> message instead of displaying it on stdout.
>
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Thanks, I applied this patch.
^ permalink raw reply [flat|nested] 2+ messages in thread
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