From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> To: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org, Catalin Marinas <catalin.marinas@arm.com> Subject: [PATCH] kmemleak: change /sys/kernel/debug/kmemleak permissions from 0444 to 0644 Date: Fri, 06 Oct 2017 14:39:25 +0300 [thread overview] Message-ID: <150728996582.744328.11541332857988399411.stgit@buzz> (raw) 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");
WARNING: multiple messages have this Message-ID (diff)
From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> To: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org, Catalin Marinas <catalin.marinas@arm.com> Subject: [PATCH] kmemleak: change /sys/kernel/debug/kmemleak permissions from 0444 to 0644 Date: Fri, 06 Oct 2017 14:39:25 +0300 [thread overview] Message-ID: <150728996582.744328.11541332857988399411.stgit@buzz> (raw) 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"); -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next reply other threads:[~2017-10-06 11:39 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-10-06 11:39 Konstantin Khlebnikov [this message] 2017-10-06 11:39 ` [PATCH] kmemleak: change /sys/kernel/debug/kmemleak permissions from 0444 to 0644 Konstantin Khlebnikov 2017-10-06 13:55 ` Catalin Marinas 2017-10-06 13:55 ` Catalin Marinas
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