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* [PATCH] kmemleak: change /sys/kernel/debug/kmemleak permissions from 0444 to 0644
@ 2017-10-06 11:39 ` Konstantin Khlebnikov
  0 siblings, 0 replies; 4+ messages in thread
From: Konstantin Khlebnikov @ 2017-10-06 11:39 UTC (permalink / raw)
  To: linux-mm, Andrew Morton, linux-kernel, Catalin Marinas

Kmemleak could be tweaked in runtime by writing commands into debugfs file.
Root anyway can use it, but without write-bit this interface isn't obvious.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
---
 mm/kmemleak.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 7780cd83a495..fca3452e56c1 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -2104,7 +2104,7 @@ static int __init kmemleak_late_init(void)
 		return -ENOMEM;
 	}
 
-	dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL,
+	dentry = debugfs_create_file("kmemleak", 0644, NULL, NULL,
 				     &kmemleak_fops);
 	if (!dentry)
 		pr_warn("Failed to create the debugfs kmemleak file\n");

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2017-10-06 13:56 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2017-10-06 11:39 [PATCH] kmemleak: change /sys/kernel/debug/kmemleak permissions from 0444 to 0644 Konstantin Khlebnikov
2017-10-06 11:39 ` Konstantin Khlebnikov
2017-10-06 13:55 ` Catalin Marinas
2017-10-06 13:55   ` Catalin Marinas

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