Messages in this thread Patch in this message | | | From | Xin Hao <> | Subject | [PATCH] mm/damon: Adjust the size of kbuf array to avoid overflow | Date | Wed, 13 Oct 2021 19:48:54 +0800 |
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In order to avoid the 'count' size space of kbuf array is used up, but a "\0" is still added.
Signed-off-by: Xin Hao <xhao@linux.alibaba.com> --- mm/damon/dbgfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/damon/dbgfs.c b/mm/damon/dbgfs.c index faee070977d8..20c61eed54af 100644 --- a/mm/damon/dbgfs.c +++ b/mm/damon/dbgfs.c @@ -247,7 +247,7 @@ static ssize_t dbgfs_kdamond_pid_read(struct file *file, char *kbuf; ssize_t len; - kbuf = kmalloc(count, GFP_KERNEL); + kbuf = kmalloc(count + 1, GFP_KERNEL); if (!kbuf) return -ENOMEM; -- 2.31.0
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