2021-07-20 19:58:30

by David Ahern

[permalink] [raw]
Subject: Re: [PATCH] net/ipv6: Convert from atomic_t to refcount_t on ip6_flowlabel->users

On 7/19/21 2:35 AM, Xiyu Yang wrote:
> refcount_t type and corresponding API can protect refcounters from
> accidental underflow and overflow and further use-after-free situations.
>
> Signed-off-by: Xiyu Yang <[email protected]>
> Signed-off-by: Xin Tan <[email protected]>
> ---
> include/net/ipv6.h | 5 +++--
> net/ipv6/ip6_flowlabel.c | 18 +++++++++---------
> 2 files changed, 12 insertions(+), 11 deletions(-)
>

Reviewed-by: David Ahern <[email protected]>