The type of variable pointed to by pivs is unsigned long, but the type used in sizeof is a pointer type. Change it to unsigned long.
Fixes: 54a611b60590 ("Maple Tree: add new data structure") Reported-by: David Binderman dcb314@hotmail.com Signed-off-by: Peng Zhang zhangpeng.00@bytedance.com Reviewed-by: Liam R. Howlett Liam.Howlett@oracle.com Cc: stable@vger.kernel.org --- lib/maple_tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 88c44f6d6cee..b06fc5f19b31 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -3255,7 +3255,7 @@ static inline void mas_destroy_rebalance(struct ma_state *mas, unsigned char end
if (tmp < max_p) memset(pivs + tmp, 0, - sizeof(unsigned long *) * (max_p - tmp)); + sizeof(unsigned long) * (max_p - tmp));
if (tmp < mt_slots[mt]) memset(slots + tmp, 0, sizeof(void *) * (max_s - tmp));