Commit 7d6c4dfa authored Nov 15, 2017 by Konstantin Khlebnikov Committed by Linus Torvalds Nov 15, 2017

kmemleak: change /sys/kernel/debug/kmemleak permissions from 0444 to 0644

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

Link: http://lkml.kernel.org/r/150728996582.744328.11541332857988399411.stgit@buzz


Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 9c19a9cb

mm/kmemleak.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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");

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