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Commit 7d6c4dfa authored by Konstantin Khlebnikov's avatar Konstantin Khlebnikov Committed by Linus Torvalds
Browse files

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: default avatarKonstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus 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");