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authorKonstantin Khlebnikov <khlebnikov@yandex-team.ru>2017-11-15 17:35:30 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-15 18:21:04 -0800
commit7d6c4dfa4de96d11b9d6adaf5aa5ca8c54670258 (patch)
treeb3eadad6bacfaa6ddd2b23e693be1e30de5a5e38
parent9c19a9cb1642c074aa8bc7693cd4c038643960ae (diff)
downloadlinux-7d6c4dfa4de96d11b9d6adaf5aa5ca8c54670258.tar.bz2
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>
-rw-r--r--mm/kmemleak.c2
1 files changed, 1 insertions, 1 deletions
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");