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    SubjectRe: [PATCH] net/ipv6: Convert from atomic_t to refcount_t on ip6_flowlabel->users
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    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 <xiyuyang19@fudan.edu.cn>
    > Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
    > ---
    > include/net/ipv6.h | 5 +++--
    > net/ipv6/ip6_flowlabel.c | 18 +++++++++---------
    > 2 files changed, 12 insertions(+), 11 deletions(-)
    >

    Reviewed-by: David Ahern <dsahern@kernel.org>


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