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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>
This commit is contained in:
Konstantin Khlebnikov 2017-11-15 17:35:30 -08:00 committed by Linus Torvalds
parent 9c19a9cb16
commit 7d6c4dfa4d
1 changed files with 1 additions and 1 deletions
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2
mm/kmemleak.c
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@ -2104,7 +2104,7 @@ static int __init kmemleak_late_init(void)
return -ENOMEM; return -ENOMEM;
} }
dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL, dentry = debugfs_create_file("kmemleak", 0644, NULL, NULL,
&kmemleak_fops); &kmemleak_fops);
if (!dentry) if (!dentry)
pr_warn("Failed to create the debugfs kmemleak file\n"); pr_warn("Failed to create the debugfs kmemleak file\n");